T3 Tin Free Steel Coil TFS/TMBP | Electrolytic Chromium Coated ECCS Steel Coil

T3 Tin Free Steel Coil TFS/TMBP | Electrolytic Chromium Coated ECCS Steel Coil

  1. Medium hardness, good rigidity for formed packaging
  2. Outstanding paint and printing adhesion
  3. Anti-scratch chromium coating surface
  4. Stable mechanical performance in mass stamping
  5. Support single-sided and double-sided chromium coating
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Product Overview

T3 Tin Free Steel Coil (TFS/TMBP / ECCS) is low-carbon cold rolled steel substrate treated with electrolytic chromium coating. T3 temper grade features medium yield and tensile strength, with balanced rigidity and formability, widely used for semi-rigid metal packaging parts. Available as TFS-S single side and TFS-D double side chromium coating. Thickness range 0.15–0.45 mm, standard coil width 800–1050 mm, custom narrow slitting available. Main applications: metal caps, printed metal boxes, battery shells and paint can lids.

Tin Free Steel Coil - TFS/TMBP

Chemical & Mechanical Property Snapshot

Grade C Max (%) Mn Max (%) P Max (%) S Max (%) Yield Strength (MPa) Tensile Strength (MPa) Elongation (%) Hardness (HR30T)
T3 0.12 0.60 0.020 0.050 250–330 350–430 ≥20 54–60

Detailed Technical Specifications

Item Specification
Product Name T3 Tin Free Steel Coil – TFS/TMBP
Alternative Name T3 ECCS Electrolytic Chromium Coated Steel
Steel Substrate Low-carbon cold rolled steel
Surface Treatment Electrolytic chromium coating
Metallic Chromium Coating 70–150 mg/m²
Chromium-Hydrated-Oxide Layer 5–15 mg/m²
Coating Configuration TFS-S / TFS-D
Temper Grade T3
Thickness 0.15–0.45 mm
Standard Coil Width 800–1050 mm
Slitting Custom narrow-width slitting available
Applicable Standards ASTM A624/A624M, JIS G3315, EN 10202, GB/T 2520
Quality Documentation Mill Test Certificate covering coating weight, mechanical properties and chemical composition
Packing Seaworthy export-grade packing
MOQ 5 Ton
Payment Terms T/T, L/C at Sight
Delivery Time 7–15 working days after receiving deposit
Package Waterproof paper + galvanized steel strap + seaworthy export wooden pallet

Product Comparison Table

Specification T3 TFS-S T3 TFS-D T3 ETP Tinplate
Material Type Tin Free Steel Tin Free Steel Electrolytic Tinplate
Surface Treatment Electrolytic Chromium Coating Electrolytic Chromium Coating Electrolytic Tin Coating
Coating Sides Single-Sided Double-Sided Tin Coating on Both Sides
Surface Structure Metallic Chromium + Chromium-Hydrated Oxide Metallic Chromium + Chromium-Hydrated Oxide Tin Coating
Paint / Printing Adhesion Excellent Excellent Good, depending on application
Yield Strength Range 250–330 MPa 250–330 MPa 250–330 MPa
Typical Selection Factor Semi-rigid parts, single side coating Semi-rigid packaging, double side coating Welded rigid food cans
Thickness Range 0.15–0.45 mm 0.15–0.45 mm 0.15–0.45 mm
Standard Width 800–1050 mm 800–1050 mm 800–1050 mm
Typical Applications Metal bottle caps, battery shells Printed metal boxes, paint lids Welded food cans, chemical cans
Important Boundary Not suitable for hermetic sealed welding Not suitable for hermetic sealed welding Suitable for sealed can welding

App Market

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Product Packaging

Secure Export Packaging For Safe Handling And Delivery

FAQs

T3 grade fits semi-rigid packaging, battery shells, printed metal boxes and general metal caps.

HR30T hardness range 54–60.

Yes, both TFS-S single side and TFS-D double side coating available for T3 grade.

Waterproof paper + steel strap + seaworthy wooden pallet for ocean shipment.

We accept T/T and L/C at sight.

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Why choose us?

  • ISO, SGS, TÜV, WTRUST, Lloyd’s Register, and DNV certifications

  • Customizable sizes, grades, and surface finishes

  • Full material traceability and inspection reports

  • Responsive support and fast global delivery


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