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Tin Free Steel Supplier

Release Tme: 2022-05-01
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Tin Free Seel Available Size

Black Plate Normal Thickness Normal Width Normal Length (Sheet)
Single Reduce 0.17 ~ 0.55mm 700 ~ 1050mm 500 ~ 1168mm
Double Reduce 0.12 ~ 0.36mm

 

TFS Temper Grade

Black Plate Box Annealing Continuous Annealing
Single Reduce T-1, T-2, T-2.5, T-3 T-1.5, T-2.5, T-3, T-3.5, T-4, T-5
Double Reduce DR-7M, DR-8, DR-8M, DR-9, DR-9M, DR-10
 

Tin Free Seel Features

Excellent Paint Adhesion: TFS has excellent paint adhesion proper ties that far surpass those of tinplate, allowing its use for making DRD cans and adhesive bonded cans.

Excellent Heat Resistance: High-temperature baking causes neither discoloration nor deterioration in material proper ties.

Excellent Resistance to Sulphur Blackening: The metallic chromium in TFS has excellent sulphide resistance property when canning protein-rich foodstuff such as fish. TFS compensates for the expensive sulphur resistant lacquer.

Excellent Filiform Rust Resistance: TFS has an excellent under film corrosion resistance.

Excellent Alkali Resistance: The coating in TFS is not amphoteric. Alkaline products such as detergents and dispersion colours can be packed in TFS with advantage.


Tin Free Steel Surface

 

Finish Surface Roughness Alm Ra Features & Applications
Bright 0.25 Bright finish for general use
Stone 0.40 Surface finish with stone marks that make printing and can-making scratches less consplcuous.
Super Stone 0.60 Surface finish with heavy stone marks.
Matte 1.00 Dull finish mainly used for making crowns and DI cans (unmelted finish or tinplate)
Silver (Satin) —— Rough dull finish mainly used for making artistic cans (tinplate only, melted finish)

Oiling: if no engagement, TFS are electro statically oiled with DOS.

 

TFS Special Requirement

Slitting tinplate Coil: width 2 ~ 599mm available after slitting with precise tolerance control.

Coated and prepainted tinplate: according to customers’ color or logo design.

The temper/hardness comparison in different standard

Standard GB/T 2520-2008 JIS G3303:2008 ASTM A623M-06a DIN EN10202:2001 ISO 11949:1995 GB/T 2520-2000
Temper Single reduced T-1 T-1 T-1 (T49) TS230 TH50+SE TH50+SE
T1.5 —– —– —– —– —–
T-2 T-2 T-2 (T53) TS245 TH52+SE TH52+SE
T-2.5 T-2.5 —– TS260 TH55+SE TH55+SE
T-3 T-3 T-3 (T57) TS275 TH57+SE TH57+SE
T-3.5 —– —– TS290 —– —–
T-4 T-4 T-4 (T61) TH415 TH61+SE TH61+SE
T-5 T-5 T-5 (T65) TH435 TH65+SE TH65+SE
Double reduced DR-7M —– DR-7.5 TH520 —– —–
DR-8 DR-8 DR-8 TH550 TH550+SE TH550+SE
DR-8M —– DR-8.5 TH580 TH580+SE TH580+SE
DR-9 DR-9 DR-9 TH620 TH620+SE TH620+SE
DR-9M DR-9M DR-9.5 —– TH660+SE TH660+SE
DR-10 DR-10 —– —– TH690+SE TH690+SE
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