TIN FREE STEEL
Chromium-Coated Steel
TIN FREE STEEL
Chromuum-Coated Steel
Product Overview
Tin Free Steel (TFS), or chromium-coated steel, is designed as a cost-effective alternative to tinplate. It is suitable for applications that require printing, surface coating, and high-temperature processing.
Technical Specifications
Property | Details
Thickness | 0.14 – 0.50 mm
Coating Type | Chromium / Oxide
Width | 457 – 1,016 mm
Temper Grade T1 – T5.5, DR7 – DR10
Surface Finish | Bright / Stone / Matte
Standard | JIS G3315
Applications
Food Packaging
Beverage Closures
Metal Ends & Closures
Tinplate vs TFS
Comparison of Tinplate (TP) vs Tin-Free Steel (TFS)
| Feature | Tinplate (TP) | Tin-Free Steel (TFS) |
|---|---|---|
| Surface Coating | Tin Coating | Chromium / Chromium Oxide Coating |
| Corrosion Resistance | ★★★★★Excellent corrosion resistance | ★★★★★Excellent corrosion resistance when properly lacquered |
| Lacquer Adhesion | ★★★★☆Very Good | ★★★★★Excellent |
| Solderability | ✓ Suitable for soldering | × Not suitable for soldering |
| Weldability | ✓ Suitable for welding in conventional can manufacturing | × Not suitable for conventional welding |
| 3-Piece Can | ✓ Suitable for the production of 3-piece cans | × Not suitable for conventional welding of 3-piece cans |
| 2-Piece Can | ✓ Applicable | ✓ Applicable |
| Suitable Applications | Food cans, beverage cans, paint cans, chemical containers, and general metal packaging | Can ends, Easy Open Ends (EOE), DRD cans, and premium coated metal packaging |
Quality & Production
- Chromium Coating Technology
- Controlled Surface Treatment
- Suitable for High-Temperature Processing
