Second Tinplate sheet(SPCC)

1.Material:Q195L 2.Thickness:0.32mm 3.Temper grade:T2.5-3 4.Annealing way:BA

  Process of production

1.Acid bath pickling

2.Cold rolling

3.Edge trimming

4.Cleaning and degreasing

5.An option for restoring the ductility of steel strip after cold rolling is the batch-annealing method.

6.Temper rolling

7.Tin coating

8.Sheet cutting

9.Storage and dispatch

  Temper Standard

code	Chinese	Japaness	American	European	International
	Stardard	Standard	Standard	Standard	standard
	GB/T2520-2000	JISG3303-2002	ASTMA623M-2002	DIN EN 10203-1991	ISO11949-1995
T-2	TH52+SE	T-2	T-2(53)	T52	TH52+SE
T-2.5	TH55+SE	T-2.5			TH55+SE
T-3	TH57+SE	T3	T-3(T57)	T57	TH57+SE
T-3.5
T-4	TH61+SE	T-4	T-4(T61)	T61	TH61+SE

 Surface Finish

Code	Classificationg	Specific Finishes
B	Bright Finish	A luster surface provided by a flow-brightened tin coating on a
		smoothly grindstone.
R	Stone Finish	A luster surface provided by a flow-brightened tin coating on a
		steel base characterized by a directional grindstone pattern
S	Silver Finish	A luster surface provided by a flow-brightened tin coating on a
		coarse dull finsh steel base.
M	Matte Finish	A dull surface provided by an unmelted coating generally on dull
		finished steel base.

 Tin Coating Weight:

classification	Designation of	Nominal tin	Min average tin
	tin coating weight	coating weight(g/m2)	coating weight(g/m2)
Equal tincoating(E)	1.1/1.1	1.1/1.1	1.8
	2.2/2.2	2.2/2.2	4
	2.8/2.8	2.8/2.8	5
	5.6/5.6	5.6/5.6	10.5
	2.2/1.1	2.2/1.1	2.0/0.9
	2.8/1.1	2.8/1.1	2.25/0.9
Differntial tin	5.6/1.1	5.6/1.1	5.05/0.9
coating(D or A)	2.8/2.2	2.8/2.2	2.25/2.0
	5.6/2.2	5.6/2.2	5.05/2.0
	5.6/2.8	5.6/2.8	5.05/2.25

    Species usage

Conditioning	Target hardness	APPLICATION
degrees
T-1	49±3	Nozzles,spouts,and deep drawing.
T-2	52±3	Rings and plug,pie pans,clousures shallow draw and specialized can parts.
T-2.5	55±3	Battery can bodies,small can ends and bodies.
T-3	57±3	Can ends and bodies,large diameter closures,crown caps.
T-4	61±3	Can ends and bodies,crown caps and small screw clousures.
T-5	65±3	Can ends and bodies for non corrosive products

      Tin-plating Steel plate can be classified according to degrees,plating quantity,steel type,annealing method,surface treatment etc.Our products has excellent welding,molding and appearance,which can be widely used in high corrosion resistance food cans,soft drink cans,chemical cans,electronic components,etc.

Second Tinplate sheet(SPCC)