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Home > Products > Tin Mill Steel > Electrolytic Tin Free Steel (TFS) > Tin Free Steel (TFS)

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Tin Free Steel (TFS)

END USAGE:

Food and Beverage Containers: TFS is widely used for making cans and containers for food and beverages due to its excellent corrosion resistance and ability to preserve the contents without reacting with them.

Electronics and Appliances: Used in the manufacturing of components for electronics and household appliances, such as back covers and battery cases, because of its good formability and surface quality.

Automotive Industry: Employed in the production of various automotive parts where durability and corrosion resistance are essential.

Construction Materials: Used for roofing, siding, and other building materials where a durable and corrosion-resistant material is needed.

Packaging: Applied in packaging materials that require a high degree of protection against corrosion and contamination.

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PRODUCT DESCRIPTION

Tin Free Steel (TFS), also known as Electrolytic Chromium Coated Steel (ECCS), is a type of steel that is coated with a thin layer of chromium and chromium oxide through an electrolytic process. This coating provides the steel with excellent corrosion resistance, a superior surface finish, and good paint adhesion properties, without using tin. The steel used is typically low-carbon cold-rolled steel, ensuring a smooth and uniform surface.

PRODUCT SPECIFICATIONS

Available sizes
Item	Coil	Sheet	Tolerance
Annealing	BA/ CA	BA/ CA	-
Thickness	0.13 - 0.55 mm	0.13 - 0.55 mm	±3%
Temper	T1-T5, DR8, DR9	T1-T5, DR8, DR9	-
Width	700 - 1,200mm	700 - 1,200 mm	-0/+2 mm
Length	-	500 - 1,200 mm	-0/+2 mm
Weight	3-10 MT per coil	2.5 MT max per bundle	±0.3%
Inside Diameter	420/ 508 mm	-	±10 mm
Coating for ETP	1.1-15.1g/m² (differential coating mark available)
Coating for TFS	Metal chromium layer 50-150 mg/m², chromium oxide layer 5-35 mg/m²

Finish
Type	Main Uses	Features
Bright	General purpose cans	Finishing tin, with a bright shine
Matt	Crown cork	Matte finish without shine, with electrolytically deposited tin without melting on the matte finishes steel plate
Silver	Cans for different applications, crown cork	Finish with melted tin produced using a special treatment on the base metal
Stone	General use cans	Finish with melted tin, produced on the base metal, with a slightlymatte appearance. Resist scratching during lithography or cans production

Temper grade
Remark	Temper grade				Hardness	Yield strength
Remark	GB/ T 2520-2017	JIS G3303:2008	ASTM A623M:2011	EN 10202:2001	(HR30T)	(Mpa)
Single Reduced (SR)	T-1	T-1	T-1(T49)	TS230	49±3	230±50
	T-2	T-2	T-2(T53)	TS245	53±3	245±50
	T-2.5	T-2.5	-	TS260	55±3	260±50
	T-3	T-3	T-3(T57)	TS275	57±3	275±50
	T-3.5	-	-	TS290	59±3	290±50
	T-4	T-4	T-4(T61)	TH415	61±3	415±50
	T-5	T-5	T-5(T65)	TH435	65±3	435±50
Double Reduced (DR)	DR-7M	-	DR-7.5	TH520	71±5	520±50
	DR-8	DR-8	DR-8	TH550	73±5	550±50
	DR-8M	-	DR-8.5	TH580	73±5	580±50
	DR-9	DR-9	DR-9	TH620	76±5	620±50
	DR-9M	DR-9M	DR-9.5	-	77±5	660±50
	DR-10	DR-10	-	-	80±5	690±50

RELATED APPLICATION

We have provided professional products and solutions for metal packaging, automobile manufacturing, new energy vehicles, household appliances, wind power generation, railway construction and other fields...

Automotive
Home Appliance
Metal Packaging
Mining & Machinery
Steel in Construction
Steel in Marine Engineering
New Energy Industry

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