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ASTM Standard DR-7MCA T3 grade prime quality electrolytic tinplate for can making

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ASTM Standard DR-7MCA T3 grade prime quality electrolytic tinplate for can making

Electrolytic tinplate sheet Standard temper :
Chinese Standard	Japanese Standard	American Standard	European Standard
GB/T 2520-2008	JIS G3303-2008	ASTM A623M-06a	DIN EN10202-2001
T-1	T-1	T-1 (T49)	TS230
T1.5	—	—	—
T-2	T-2	T-2 (T53)	TS245
T-2.5	T-2.5		TS260
T-3	T-3	T-3 (T57)	TS275
T-3.5	—	—	TS290
T-4	T-4	T-4 (T61)	TH415
T-5	T-5	T-1 (T65)	TH435
DR-7M	—	DR-7.5	TH520
DR-8	DR-8	DR-8	TH550
DR-8M	—	DR-8.5	TH580
DR-9	DR-9	DR-9	TH620

Electrolytic tinplate sheet specifications :
Steel Type	SPCC, MR
Temper(BA&CA)	T1~T5
Coating	1.1~11.2g/m2
Thickness and tolerance	0.15~0.50mm (Tolerance: 0.01 mm)
Width & tolerance	300~1250mm (Tolerance: 0~3mm )
Cut length & tolerance	450~1250mm (Tolerance: 0~3mm )
Coil inside diameter	420/508/610mm
Coil Weight	3~10 MT
Passivation	311
Oiling	DOS
Surface Finish	Bright, Stone, Silver, Matte
Packaging	Tin sheet seaworthy Standard packaging with wooden pallet
Standards Available	GB/T2520, JIS G3303, ASTM A623M & EN10202
Special specitications are available on request.

Tin coating weight :
Type	Designation of tin coating weight	Min.average tin coating weight(g/m2)	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
Differentially 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
Electrolytic tinplate sheet surface finish :
Surface finish	Nominal surface roughness (um Ra)	Characteristic
Bright finish	≤Q0.35	Glazed surface obtained after melting treatment of electrotinned smooth raw materail strip with extremely fine rubstone fingure by processing.
Stone finish	0.25~0.60	Glazed surface obtained after melting treatment of electrotinned smooth raw materail stripfeaturing certain rubstone figures.
Silver finish	0.50~1.00	Glazed surface obtained after melting treatment of electrotinned smooth raw material strip with rough matt furface.
Matte finish	0.80~2.50	Matt surface of general matt raw material strip without melting treatment.