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JIS G 3303 Tinplate and blackplate

Product: JIS G 3303 Blackplate( SPB), Electrolytic tinplate( SPTH), hot dipped tinplate(SPTH)
Typical types of steel for blackplate: MR, L, D

tinplate and blackplate(SPB,SPTE, SPTH) annealing heat treatment : BA (batch or box annealed), CA(continuously annealed)

Tinplate and blackplate(SPB,SPTE, SPTH) coating masses


Type

Type of coating

Designation of coating mass

Nominal coating mass (g/m2)

Minimum average coating mass(g/m2)

Former designation of coating mass(informative)

SPTE

Equally coated

2.8/2.8
5.6/5.6
8.4/8.4
11.2/11.2

2.8/2.8
5.6/5.6
8.4/8.4
11.2/11.2

2.45/2.45
5.05/5.05
7.55/7.55
10.1/10.1

#25
#50
#75
#100

Differentially coated

5.6/2.8
8.4/2.8
8.4/5.6
11.2/2.8
11.2/5.6
11.2/8.4

5.6/2.8
8.4/2.8
8.4/5.6
11.2/2.8
11.2/5.6
11.2/8.4

5.05/2.45
7.55/2.45
7.55/5.05
10.1/2.45
10.1/5.05
10.1/7.55

#50/25
#75/25
#75/50
#100/25
#100/50
#100/75

 

Equally coated

12.3/12.3
14.0/14.0
15.1/15.1
16.8/16.8

12.3/12.3
14.0/14.0
15.1/15.1
16.8/16.8

19.7
22.4
24.2
26.9

#110
#125
#135
#150

Single cold-reduced Tinplate and blackplate(SPB,SPTE, SPTH) temper grade:
T-1, T-2, T-2.5, T-3, T-4, T-5
Double cold-reduced Tinplate and blackplate(SPB,SPTE, SPTH) temper grade: DR-8, DR-9, DR-9M, DR-10

Tinplate and blackplate(SPB,SPTE, SPTH) steel surface finish: B(Bright finish), R(Stone finish), S(Silver finish), M(Matte finish)

Tinplate and blackplate(SPB,SPTE, SPTH) steel chemical treatment: The usual chemical treatment is a cathodic treatment in a solution of a dichromate salt of an alkali metal.

Tinplate and blackplate(SPB,SPTE, SPTH) steel oiling to surface: CSO, DOS, DOS-A, ATBC.

Suitable size:
Single reduced tinplate and blackplate(SPB,SPTE, SPTH) : from 0.15mm up to and including 0.60mm
Double reduced tinplate and blackplate(SPB,SPTE, SPTH): 0.14mm up to and including 0.36mm

Typical steel grade for blackplate: MR, L, D

JW STEEL have more than 2000 tons tinplate and blackplate(SPB,SPTE, SPTH) steel stock source each month. We can meet our customer's most of quantity and technical request. Based on these stock source, our advantage industry spread into steel process like : cutting(on width and length), drawing, repacking, and so on.

Reference link about Other Electroplated tin (chromium) steel:

ASTM A623 Tinplate and black plate
TH415 EN10202 Tinplate,
TS230 EN10202 Tinplate,
TS245 EN10202 Tinplate,
TS260 EN10202 Tinplate,
TS275 EN10202 Tinplate,
TS290 EN10202 Tinplate,
TS550 EN10202 Tinplate,
TH435 EN10202 Tinplate,
TH520 EN10202 Tinplate,
TH550 EN10202 Tinplate,
TH580 EN10202 Tinplate,
TH620 EN10202 Tinplate

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