Tianjin TISCO International Trade Co., Ltd.
Verified Custom manufacturer · China
Main categories: carbon steel plate, Wear-resistant steel plate, Weathering steel plate, High-strength steel plate, Ship plank, Container steel plate, Bridge steel plate, Bulletproof steel plate, Galvanized steel coil, Color-coated steel coil, Tinplate, Aluminized zinc steel coil, Electro-galvanized steel coil, Color-coated galvanized steel coil, Zinc-aluminum-magnesium steel coil, Tin-plated steel coil, Aluminized silicon steel coil, Color-coated corrugated steel sheet
Security 200000.00 $ Security deposit
Diamond Diamond Member Since 2022
Audit Audited Supplier

Tinplate & Galvanized Coil Prices 2026 | Tianjin TISCO

Tianjin TISCO International Trade Co., Ltd., a Diamond Member supplier since 2022 carrying a USD 2,000,000 platform deposit and third-party audit status, offers tinplate coils and hot-dipped galvanized steel coils across 17+ product lines including carbon steel plate. This deep-dive covers verified 2026 price ranges, key specifications, available grades, minimum order quantities, and the exact steps to submit a sourcing inquiry—everything a shortlisting buyer needs before committing to an order.

Market Overview

Tinplate coil is electrolytic tin-coated, cold-rolled low carbon steel supplied in thicknesses from 0.15 mm to 0.50 mm, occupying the food-grade metal packaging segment where corrosion resistance and formability are non-negotiable purchase criteria. Tianjin sits at the centre of China's northern steel export corridor — home to the port of Tianjin, one of the country's highest-throughput bulk cargo terminals — making it a natural base for suppliers shipping electrolytic tinplate to beverage, aerosol, and food-can manufacturers across Southeast Asia, the Middle East, and Europe. Tianjin TISCO International Trade Co., Ltd. operates from this hub as a platform-audited, Diamond Member-verified entity carrying a USD 2,000,000 platform security deposit, positioning it within a tier of exporters where financial accountability is documented rather than assumed.

  • Standards coverage: Product variants listed under this supplier reference ASTM A623, EN 10202, and JIS G3303 — the three dominant certification frameworks demanded by food-can converters across North America, Europe, and Japan-aligned markets respectively.
  • Tin coating range: 2.8–11.2 g/m² per side, covering both light-coating economy packaging and heavy-coating corrosion-critical aerosol applications within a single product family.
  • Price band (platform-verified): USD 635–1,150/ton across twelve listed variants, with food-grade and bright-finish coils commanding the upper range and standard tinplate coil grades anchoring the lower band.
  • 2026 trade headwind: The EU Carbon Border Adjustment Mechanism (CBAM) phased rollout is beginning to affect cost modelling for Chinese steel imports into Europe, requiring buyers to factor embedded-carbon documentation into total landed cost — a compliance layer that third-party inspectors such as SGS and Bureau Veritas are increasingly being engaged to support.

For shortlisting buyers, the combination of multi-standard compliance, a documented MOQ starting at 1 ton for sample orders, and export capacity routed through Tianjin and Caofeidian ports makes this product category — and the verified entities supplying it — a structurally practical sourcing option heading into 2026.

Key Industry Trends (2026–2030)

What is driving demand for tinplate and galvanized coil in downstream sectors?

Food and beverage packaging manufacturers are the primary force behind sustained tinplate coil demand, with metal can production requiring consistent supply of T1–T5 temper grades compliant with ASTM A623 and EN 10202 across thickness ranges of 0.15–0.50 mm. As global food safety regulations tighten, brand owners are specifying passivation treatments — 311, 314, and 316 chromium codes — as a baseline procurement requirement rather than an optional upgrade.

Aerosol and industrial packaging converters are adding parallel pull, particularly in the Middle East and Latin America, where transit windows of 25–35 days and 38–50 days respectively from Tianjin and Caofeidian ports make Chinese-origin tinplate logistically viable at current freight rates.

  • Food-grade tinplate coil (electrolytic tin coating, 2.8–11.2 g/m² per side) remains the highest-volume SKU, priced at USD 1,025–1,100 per ton.
  • Beverage can lines increasingly require bright and stone surface finishes, both available in the 600–1,200 mm width range.
  • India's mandatory BIS certification for imported structural and coated steel is raising the documentation bar for all suppliers targeting South Asian converters.
  • Aerosol canmakers in the Middle East are specifying tensile strength floors of 300 MPa minimum, aligning with T2–T3 temper grades.

How are supply dynamics shaping the tinplate coil market?

Grade fragmentation — across T1 through T5 tempers and four surface finishes — means buyers must verify mill capability against JIS G3303, EN 10202, and ASTM A623 simultaneously, rather than relying on a single-standard declaration. Third-party inspection by SGS, Bureau Veritas, or Intertek at the point of production has become a standard line item in purchase contracts, not an exception.

Supplier positioning is shifting toward verifiable financial commitment. Platform security deposits and audit status — such as the USD 2,000,000 deposit held by Tianjin TISCO International Trade Co., Ltd. — are increasingly used by procurement teams as a pre-qualification filter before requesting MTCs or COO documentation.

  • Soft temper coil (T1–T2) trades at USD 885–950 per ton; harder T4–T5 grades command premiums reflecting additional cold-rolling passes.
  • MOQ flexibility down to 1 ton for sample orders lowers qualification risk for new packaging converters.
  • L/C instruments through Bank of China or ICBC remain the preferred settlement mechanism for first-time buyers managing counterparty exposure.
  • EU safeguard measures and anti-dumping duties on certain Chinese flat-rolled grades are prompting buyers to confirm exact HS codes before contracting.

Which process standards and verification steps matter most when sourcing tinplate coil?

Electrolytic tin coating applied over low-carbon cold-rolled base steel — verified against ASTM A623, EN 10202, and JIS G3303 — is the non-negotiable process foundation that separates food-safe tinplate from general-purpose coated coil. ISO 9001 certification provides the quality management framework, but buyers sourcing for regulated food contact applications should additionally request mill test certificates (MTC) and CIQ certificates for each shipment lot.

The EU Carbon Border Adjustment Mechanism (CBAM) phased rollout is beginning to affect procurement decisions for European packaging converters, who now request embedded carbon declarations alongside standard trade documents including the commercial invoice, packing list, and bill of lading.

  • Passivation code (311, 314, or 316) must be explicitly stated on the MTC — not assumed from grade designation alone.
  • TUV Rheinland and Bureau Veritas pre-shipment inspections at Tianjin or Caofeidian reduce rejection risk for buyers in Eastern Europe (35–45 day transit).
  • Red Sea disruptions rerouting vessels via the Cape of Good Hope add 10–14 days to European legs, making accurate lead-time buffers essential in 2026 contracts.
  • Coil weight per unit (3–10 tons) directly affects break-bulk versus container loading decisions and should be confirmed during the inquiry stage.

Material Grades and Technical Specifications

Tinplate coil supplied to international food and beverage packaging markets is classified under temper grades T1 through T5 per ASTM A623, with each grade defining a specific hardness range suited to a distinct forming or drawing operation. Tianjin TISCO International Trade Co., Ltd. lists the full T1–T5 temper spectrum alongside dual compliance with EN 10202 and JIS G3303 — a combination that satisfies procurement specifications across North American, European, and East Asian supply chains from a single source.

  • Base steel: Low carbon cold-rolled steel, continuous cast and cold-rolled to final gauge
  • Thickness range: 0.15–0.50 mm — covers both lightweight beverage-can body stock and heavier aerosol-can end stock
  • Width range: 600–1,200 mm, slit to order
  • Tin coating weight: 2.8–11.2 g/m² per side (electrolytic tin coating), selectable by application demand
  • Temper grades available: T1, T2, T2.5, T3, T4, T5 — tensile strength spans 300–550 MPa depending on temper selection
  • Surface finishes: Bright, Stone, Silver, Matte
  • Passivation treatment: 311, 314, or 316 chromium passivation, each affecting lacquer adhesion and corrosion performance differently
  • Coil weight: 3–10 tons per coil
  • Standard compliance: ASTM A623, EN 10202, JIS G3303, ISO 9001

Passivation code selection deserves particular attention at the specification stage: 311 passivation is standard for dry-food cans, while 316 is preferred where lacquer over-coating is mandatory — a distinction that affects downstream coating line compatibility and should be confirmed in the Mill Test Certificate (MTC) before shipment. Third-party pre-shipment verification through SGS or Bureau Veritas (BV) is the standard mechanism buyers use to confirm coating weight and temper grade against the MTC values, especially when the order spans multiple coil weights within a single consignment.

Buyers shortlisting this product range should request a grade-by-grade specification sheet mapped to their target application — food cans, beverage cans, or aerosol cans — and cross-reference the passivation code and tin coating weight against their lacquering process requirements before submitting a formal RFQ.

Pricing, MOQ and Order Economics

Tinplate coil from verified Chinese mills trades across a wide band — USD 635 to USD 1,150 per ton in 2026 — with the exact position on that range determined by temper grade, tin coating weight, surface finish, and order volume. Tianjin TISCO International Trade Co., Ltd. lists 12 distinct variants on the platform, giving buyers a concrete price ladder to map against their packaging specifications before the first inquiry is sent.

Variant Temper / Finish Indicative Price (USD/ton) Typical Application
Bright tinplate coil T3–T5 / Bright 1,075–1,150 Aerosol cans, premium beverage ends
Food grade tinplate coil T2–T3 / Bright or Stone 1,025–1,100 Food cans, retort packaging
Stone finish tinplate coil T2–T2.5 / Stone 885–950 General metal packaging
Soft temper tinplate coil T1–T2 / Bright or Matte 885–950 Deep-draw cans, closures
Standard tinplate coil T2–T3 / Mixed finish 730–780 Industrial metal packaging

The platform-listed MOQ starts at 1 ton for sample or trial orders, which is unusually accessible for mill-origin material. Bulk break-bulk shipments, however, are structured around a 100-ton MOQ — the threshold at which FOB Tianjin pricing and full seaworthy packaging (waterproof kraft paper with VCI layer, silica gel packets, steel strapping) become commercially viable for both sides. Coil weights run 3–10 tons per coil, so a 100-ton order typically consolidates 10–33 coils depending on the gauge and width selected within the 0.15–0.50 mm thickness range and 600–1,200 mm width range.

  • Payment structure: 30% T/T in advance + 70% L/C at sight is standard for new accounts; established buyers may negotiate L/C 60 days usance through Bank of China or ICBC.
  • Incoterms: FOB Tianjin is the default export term; DAP project site is available for buyers who require door-delivery costing.
  • Third-party inspection: SGS and Bureau Veritas (BV) pre-shipment inspection can be built into the order workflow — buyers should specify this at RFQ stage, not after production.
  • Trade documents: Mill Test Certificate (MTC), Certificate of Origin (COO), Commercial Invoice, Packing List, and CIQ Certificate ship with every consignment.
  • 2026 cost watch: EU CBAM phased rollout and ongoing US Section 232 tariff reviews are adding landed-cost uncertainty for buyers in those corridors — factor a 3–5% buffer into total cost modelling when quoting European or North American end-customers.

Buyers shortlisting this product should request a formal quotation that specifies temper grade (T1–T5 per ASTM A623), tin coating weight in g/m² per side, passivation treatment code (311, 314, or 316), and destination port — those four variables move the per-ton price more than any other factor and will give the supplier everything needed to return a binding FOB figure within one business cycle.

Trade-offs and Verification Checklist

Sourcing tinplate coil from a verified Chinese supplier involves concrete trade-offs that buyers must weigh before issuing a purchase order — and a structured verification checklist is the fastest way to separate acceptable risk from avoidable exposure. Tianjin TISCO International Trade Co., Ltd. illustrates both sides of that equation clearly.

Two limitations are worth naming directly. First, the supplier's platform tenure dates to 2022, which means the documented transaction history is shorter than that of mills with decade-long export records. The practical mitigation is straightforward: request SGS or Bureau Veritas (BV) pre-shipment inspection on the first one or two orders, and ask the supplier to provide Mill Test Certificates (MTC) and CIQ Certificates traceable to the producing mill — not just the trading entity. Second, the product range, while spanning 18 listed categories, is anchored in structural and coated carbon steel lines. Buyers sourcing highly specialised packaging grades outside the T1–T5 temper range defined under ASTM A623 and EN 10202 may find fewer variant options than a dedicated tinplate mill would offer. The mitigation here is to confirm available temper grades and passivation codes (311, 314, or 316) in writing during the RFQ stage, before committing to a payment structure.

Beyond those supplier-specific points, two 2026 regulatory realities affect any Chinese tinplate shipment into major markets:

  • EU CBAM phased rollout: Coated steel products entering the EU now require carbon content declarations. Request the supplier's embedded carbon data per ton at quotation stage — this affects landed cost calculations.
  • US Section 232 tariffs: A 25% duty surcharge remains in ongoing review. Buyers importing into the US should model DAP project site pricing against FOB Tianjin to isolate true tariff exposure before comparing supplier quotes.
  • Red Sea rerouting: Cape of Good Hope deviation adds 10–14 days to European transit, extending the typical 30–40 day lead time. Build this buffer into LC usance terms — a 60-day usance LC via Bank of China or ICBC provides adequate headroom.
  • Document verification minimum: Require MTC, Bill of Lading, Commercial Invoice, Packing List, COO, and CIQ Certificate on every shipment. For India-bound orders, BIS certification is mandatory for structural grades.

The USD 2,000,000 platform security deposit and Diamond Member status since 2022 reduce counterparty risk materially — but they do not replace pre-shipment inspection. Engage Intertek or SGS for first-order inspection against ASTM A623 tin coating weight tolerances (2.8–11.2 g/m² per side) and temper hardness before authorising the balance T/T or releasing the LC.

Buyers who complete this checklist before the first shipment convert a new supplier relationship into a documented, auditable supply chain entry — which is the only version worth building on.

Featured Supplier

Tianjin TISCO International Trade Co., Ltd. is a verified factory-type supplier based in Tianjin, China, holding Diamond Member status on the platform since 2022 and backed by a USD 2,000,000 platform security deposit.

  • Platform Diamond Member since 2022 with completed third-party audit verification
  • USD 2,000,000 platform security deposit lodged, providing transactional accountability
  • Verified custom manufacturer across 18+ listed product categories
  • Core product lines include carbon steel plate, Wear-resistant steel plate, and Weathering steel plate, alongside tinplate coil and hot-dipped galvanized steel coil
  • Factory located in Tianjin, China — a primary hub for flat-rolled and coated steel production and export
  • Platform-audited status confirms supplier identity and operational credentials

Buyers sourcing tinplate coil or hot-dipped galvanized steel coil for 2026 procurement can reference this supplier's audited profile and broad flat-steel range when evaluating specifications and pricing. Note that the supplier has been active on the platform since 2022, so long-term transaction history remains limited.

Visit the verified supplier profile for current product listings and contact details:

Frequently Asked Questions

What is the difference between tinplate coil and hot-dipped galvanized steel coil?

Tinplate coil is cold-rolled low-carbon steel electroplated with a thin tin layer (typically 2.8–11.2 g/m²), primarily used in food-grade packaging and aerosol cans. Hot-dipped galvanized coil (HDG) is coated with a zinc-iron alloy bath, producing a thicker, structural-grade corrosion barrier suited for construction, automotive panels, and HVAC systems. The two products serve distinct end-use markets and are priced on separate commodity indices, so buyers should not treat them as interchangeable in procurement planning.

What grades of hot-dipped galvanized steel coil are commonly available from Chinese mills in 2024–2026?

Chinese mills supplying the export market typically offer hot-dipped galvanized coil in structural grades including Q235B and Q345B under GB/T 2518, as well as SGCC and SGCH under JIS G 3302 for appliance and construction applications. DX51D+Z and DX53D+Z conforming to EN 10346 are also widely produced for European buyers. Zinc coating classes range from Z60 to Z275 (g/m²). Buyers specifying automotive-exposed panels should confirm the grade explicitly, as SGCC and DX51D carry different forming-limit guarantees.

How are hot-dipped galvanized steel coil prices structured and what drives rate changes in 2026?

HDG coil export prices from Chinese mills are typically quoted on a CFR or CIF basis and are indexed to the Shanghai hot-rolled coil benchmark plus a galvanizing spread that reflects zinc LME prices and energy costs. In 2026, three factors are applying upward pressure: ongoing EU Carbon Border Adjustment Mechanism (CBAM) compliance costs embedded in mill pricing, residual anti-dumping duty exposure in several destination markets, and zinc spot volatility. Buyers locking forward tonnage should negotiate price-adjustment clauses tied to LME Zinc three-month settlement to manage exposure.

What should B2B buyers know about payment terms and trade finance when importing galvanized coil from China?

Standard payment structures for Chinese galvanized coil shipments include 30% T/T deposit against proforma invoice with the balance paid against copy documents, or a confirmed irrevocable Letter of Credit at sight issued by an internationally rated bank. LC terms are preferred by first-time buyers because they give document-level control over bill of lading, packing list, mill test certificate, and SGS or BV pre-shipment inspection reports. Buyers should specify Incoterms 2020 (CFR or CIF named port) explicitly in the sales contract to avoid ambiguity over insurance obligation.

How does a USD 2,000,000 platform security deposit affect buyer risk when sourcing from a supplier like Tianjin TISCO International Trade?

A USD 2,000,000 platform security deposit, as held by Tianjin TISCO International Trade Co., Ltd. on its trading platform, functions as a financial guarantee that the platform operator can draw against in verified dispute scenarios. For B2B buyers, this is a measurable risk-mitigation signal — not a substitute for independent due diligence — because it caps the platform's recourse fund at a defined amount rather than providing unlimited indemnity. Buyers sourcing large tonnages should still require a mill test certificate, third-party inspection (SGS or Bureau Veritas), and a signed sales contract governed by a named jurisdiction.

What does Diamond Member status since 2022 indicate when evaluating a Chinese steel supplier?

Diamond Member status, maintained continuously since 2022, signals that a supplier has passed the platform's annual audit cycle, sustained the required security deposit, and maintained a verified business license and trade record across multiple years — not merely at onboarding. For steel buyers, multi-year tenure matters because it filters out short-lived trading entities that appear during price spikes. That said, platform status confirms commercial standing, not technical capability; buyers should separately verify mill certifications, production scope, and third-party inspection history before committing to a first order.

What are the key specification checkpoints buyers must confirm before ordering tinplate coil for food-contact packaging?

For food-contact tinplate coil, buyers must confirm the following before issuing a purchase order:

1. \\Tin coating weight\\ — specify single-reduced (SR) or double-reduced (DR) and the coating designation (e.g., T-2, T-4 per ASTM A623 or equivalent).

2. \\Steel base hardness\\ — T-1 through T-6 temper grades control formability and wall-ironing performance.

3. \\Surface finish\\ — bright, stone, or silver finish affects lacquer adhesion.

4. \\Passivation treatment\\ — 311 chromate or 300 electrolytic chromate per FDA/EU food-contact compliance.

5. \\Width and coil weight tolerances\\ — critical for high-speed can-line compatibility.

What transit times and logistics considerations apply to galvanized coil shipments from Tianjin to major import markets?

Galvanized coil exported through Tianjin Port typically reaches Southeast Asian ports (e.g., Ho Chi Minh City, Jakarta) in approximately 10–18 days by sea freight. Middle East destinations (Jebel Ali) average 20–28 days, while European ports run 28–35 days via the Suez route. In 2026, Red Sea security disruptions are causing some carriers to reroute via the Cape of Good Hope, adding 10–14 days and increasing freight rates on Europe-bound shipments. Buyers should build schedule buffers into just-in-time procurement plans and confirm vessel routing with their freight forwarder at booking.

Conclusion

Sourcing tinplate coil and hot-dipped galvanized steel in 2026 demands more than a price list — it requires verified grade specifications, documented Incoterms clarity, and a supplier whose platform credentials can withstand procurement scrutiny. Buyers who anchor decisions to confirmed coating weights, tensile grades, and audited mill documentation consistently reduce downstream quality disputes and customs delays.

Three points worth carrying into your next RFQ: grade selection directly determines end-use performance and should never be substituted without written confirmation; coating specification tolerances vary meaningfully between standards, so cite the exact standard number in your purchase order; and platform-verified security deposits — such as the USD 2,000,000 deposit held by Tianjin TISCO — offer a measurable layer of commercial protection that unverified traders cannot match. That said, buyers with highly specialized or niche requirements should confirm product-line fit before committing to volume orders.

Ready to request grade-specific pricing and lead-time confirmation? Contact Tianjin TISCO International Trade Co., Ltd. directly through their verified supplier page on Sinoali.

Sources and References

Written by Sinoali Editorial Desk — Sinoali Steel Research Team

The Sinoali Editorial Desk is the platform's in-house research collective, publishing under the unified byline 'Sinoali Editorial Desk' for continuity. Each article is reviewed by a named domain expert (see 'Reviewed by' below). Research focuses on supplier verification, port logistics, and standard compliance for international B2B steel buyers.

Reviewed by Dr. Chen Yifan — Materials Compliance Reviewer. Metallurgical engineer specialising in GB / ASTM / EN standard cross-mapping for structural and pipeline steels.

Published 2026-04-15 · Sinoali Editorial Desk

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常见问题

What is the difference between tinplate coil and hot-dipped galvanized steel coil?

Tinplate coil is cold-rolled low-carbon steel electroplated with a thin tin layer (typically 2.8–11.2 g/m²), primarily used in food-grade packaging and aerosol cans. Hot-dipped galvanized coil (HDG) is coated with a zinc-iron alloy bath, producing a thicker, structural-grade corrosion barrier suited for construction, automotive panels, and HVAC systems. The two products serve distinct end-use markets and are priced on separate commodity indices, so buyers should not treat them as interchangeable in procurement planning.

What grades of hot-dipped galvanized steel coil are commonly available from Chinese mills in 2024–2026?

Chinese mills supplying the export market typically offer hot-dipped galvanized coil in structural grades including Q235B and Q345B under GB/T 2518, as well as SGCC and SGCH under JIS G 3302 for appliance and construction applications. DX51D+Z and DX53D+Z conforming to EN 10346 are also widely produced for European buyers. Zinc coating classes range from Z60 to Z275 (g/m²). Buyers specifying automotive-exposed panels should confirm the grade explicitly, as SGCC and DX51D carry different forming-limit guarantees.

How are hot-dipped galvanized steel coil prices structured and what drives rate changes in 2026?

HDG coil export prices from Chinese mills are typically quoted on a CFR or CIF basis and are indexed to the Shanghai hot-rolled coil benchmark plus a galvanizing spread that reflects zinc LME prices and energy costs. In 2026, three factors are applying upward pressure: ongoing EU Carbon Border Adjustment Mechanism (CBAM) compliance costs embedded in mill pricing, residual anti-dumping duty exposure in several destination markets, and zinc spot volatility. Buyers locking forward tonnage should negotiate price-adjustment clauses tied to LME Zinc three-month settlement to manage exposure.

What should B2B buyers know about payment terms and trade finance when importing galvanized coil from China?

Standard payment structures for Chinese galvanized coil shipments include 30% T/T deposit against proforma invoice with the balance paid against copy documents, or a confirmed irrevocable Letter of Credit at sight issued by an internationally rated bank. LC terms are preferred by first-time buyers because they give document-level control over bill of lading, packing list, mill test certificate, and SGS or BV pre-shipment inspection reports. Buyers should specify Incoterms 2020 (CFR or CIF named port) explicitly in the sales contract to avoid ambiguity over insurance obligation.

How does a USD 2,000,000 platform security deposit affect buyer risk when sourcing from a supplier like Tianjin TISCO International Trade?

A USD 2,000,000 platform security deposit, as held by Tianjin TISCO International Trade Co., Ltd. on its trading platform, functions as a financial guarantee that the platform operator can draw against in verified dispute scenarios. For B2B buyers, this is a measurable risk-mitigation signal — not a substitute for independent due diligence — because it caps the platform\'s recourse fund at a defined amount rather than providing unlimited indemnity. Buyers sourcing large tonnages should still require a mill test certificate, third-party inspection (SGS or Bureau Veritas), and a signed sales contract governed by a named jurisdiction.

What does Diamond Member status since 2022 indicate when evaluating a Chinese steel supplier?

Diamond Member status, maintained continuously since 2022, signals that a supplier has passed the platform\'s annual audit cycle, sustained the required security deposit, and maintained a verified business license and trade record across multiple years — not merely at onboarding. For steel buyers, multi-year tenure matters because it filters out short-lived trading entities that appear during price spikes. That said, platform status confirms commercial standing, not technical capability; buyers should separately verify mill certifications, production scope, and third-party inspection history before committing to a first order.

What are the key specification checkpoints buyers must confirm before ordering tinplate coil for food-contact packaging?

For food-contact tinplate coil, buyers must confirm the following before issuing a purchase order: 1. **Tin coating weight** — specify single-reduced (SR) or double-reduced (DR) and the coating designation (e.g., T-2, T-4 per ASTM A623 or equivalent). 2. **Steel base hardness** — T-1 through T-6 temper grades control formability and wall-ironing performance. 3. **Surface finish** — bright, stone, or silver finish affects lacquer adhesion. 4. **Passivation treatment** — 311 chromate or 300 electrolytic chromate per FDA/EU food-contact compliance. 5. **Width and coil weight tolerances** — critical for high-speed can-line compatibility.

What transit times and logistics considerations apply to galvanized coil shipments from Tianjin to major import markets?

Galvanized coil exported through Tianjin Port typically reaches Southeast Asian ports (e.g., Ho Chi Minh City, Jakarta) in approximately 10–18 days by sea freight. Middle East destinations (Jebel Ali) average 20–28 days, while European ports run 28–35 days via the Suez route. In 2026, Red Sea security disruptions are causing some carriers to reroute via the Cape of Good Hope, adding 10–14 days and increasing freight rates on Europe-bound shipments. Buyers should build schedule buffers into just-in-time procurement plans and confirm vessel routing with their freight forwarder at booking.