Food Cans Used JIS G3303 MR Grade T3 2.8/2.8gsm Tinplate Coils and Sheets

  Food Cans Used JIS G3303 MR Grade T3 2.8/2.8gsm Tinplate Coils and Sheets   Brief Introduction Tinplate Coils is a low Carbon Steel sheet (base metal), coated on both sides with a thin layer of tin, throughout on electrolytic process. Since the tin firmly adheres to the base metal, Tinplate Coils may be press molded, stamped, drawn or bent and shaped into complex forms without the tin coating peeling off. Thus, Tinplate Coils has a beautiful, metallic luster as well as excellent properties in corrosion resistance and paintability.
  Tinplate Specification
1. Available Thickness: 0.15-0.5mm
2. Thickness Tolerance: 0.006mm
3. Available Width: 300-980mm
4. Width Tolerance: 0-1mm
5. Inner Diameter: 420 & 508mm
6. Weight of Electrolytic Tinplate Coil: 3-10MT
7. Available Temper Grade: T1, T2, T3, T4, T5, DR8, DR9
  Tinplate Application 1. Majorly used for packaging foodstuffs and beverages.
2. Used in containers for oils, grease, paints, polishes, chemicals and many other products. 
3. Aerosol containers and caps and closures are also made from Tinplate Coils.
4. Electrodes, Cable tape, Magnetic screen covers, etc.
5. Automotive oil filters, Automotive air filters, Gaskets, etc.
6. Gas meter internal components, Heat exchangers, cookware, shelving, etc.
Superiority (Why choose tinplate for metal packaging?)
1. Excellent Corrosion Resistance by selecting a proper coating weight, appropriate corrosion resistance is obtained against container contents.
2. Excellent Paintability & Printability Printing is beautifully finished using various lacquers and inks. 
3. Excellent Solderability & Weldability Tinplate Coils is widely used for making various types of cans by soldering or welding.
4. Excellent Formability & Strength by selecting a proper temper grade, appropriate formability is obtained for various applications as well as the required strength after forming.
5. Beautiful Appearance Tinplate Coils is characterized by its beautiful metallic luster. Products with various kinds of surface roughness are produced by selecting the surface finish of the substrate steel sheet.   Tin Coating Weight for Tinplate

Type	Designation of tin coating weight	Min. average tin coating weight (gsm)	Former Coating Designation
Equal tin coating	1.4/1.4	1.2/1.2	#15
	2.2/2.2	2.0/2.0	#20
	2.8/2.8	2.45/2.45	#25
	5.6/5.6	5.05/5.05	#50
	8.4/8.4	7.55/7.55	#75
	11.2/11.2	10.1/10.1	#100
Differential tin coating	1.4/2.8	1.2/2.45	#15/25
	2.2/2.8	2.2/2.45	#20/25
	2.8/5.6	2.45/5.05	#25/50
	2.8/8.4	2.45/7.55	#25/75
	2.8/11.2	2.45/10.1	#25/100
	5.6/8.4	5.05/7.55	#50/75
	5.6/11.2	5.05/10.1	#50/100
	8.4/11.2	7.55/10.1	#75/100

  Standard for Temper

Chinese Standard	Japanese Standard	American Standard	European Standard
GB/T 2520-2008	JIS G3303-2008	ASTM A623M-06a	DIN EN10202-2001
T1	T1	T1 (T49)	TS230
T1.5	--	--	--
T2	T2	T2 (T53)	TS245
T2.5	T2.5	--	TS260
T3	T3	T3 (T57)	TS275
T3.5	--	--	TS290
T4	T4	T4 (T61)	TH415
T5	T5	T5 (T65)	TH435
DR-7M	--	DR-7.5	TH520
DR8	DR8	DR8	TH550
DR-8M	--	DR-8.5	TH580
DR9	DR9	DR9	TH620

  Comparison of Properties

Properties		Tin Coating Weight (gsm)
		2.8	Over 5.6
Bare Corrosion Resistance (sealed) (1)	Rust Resistance	good	excellent
	Acid Resistance	good	good
	Alkali Resistance	fair	fair
	Black Sulfide Stain Resistance	fair	fair
	Stress Cracking Resistance	excellent	excellent
Paintability		good	good
Corrosion Resistance after Painting (2)		excellent	excellent
Filiform Corrosion Resistance		excellent	excellent
Paint Adhesion		good	good
Formabity		excellent	excellent
Solderability		good	excellent
Weldability		good	good
Heat Resistance (3)		good	good

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