code

Chinese Stardard

Japaness Standard

American Standard

European Standard

GB/T 2520-2000

JIS G3303-2008

ASTM A623M-2002

DIN EN 10202-2001

T1

T1

T1

T1(T49)

TS230

T-1.5

T-1.5

-

-

-

T-2

T-2

T-2

T-2(53)

TS245

T-2.5

T-2.5

T-2.5

TS260

T-3

T-3

T-3

T-3(T57)

TS275

T-3.5

T-3.5

-

-

TS290

T-4

T-4

T-4

T-4(T61)

TH415

T-5

T-5

T-5

T-5（T65）

TH435

DR-7M

DR-7M

-

DR-7.5

TH520

DR-8

DR-8

DR-8

DR-8

TH550

DR-8M

DR-8M

-

DR-8.5

TH580

DR-9

DR-9

DR-9

DR-9

TH620

DR-9M

DR-9M

DR-9M

DR-9.5

-

DR-10

DR-10

DR-10

-

-

Marks

Surface state

Nominal Surface Roughness Ra)μm

Characteristics

B

Bright rough

≤0.35

Glazed surface obtained after melting treatment of electrotinned smooth raw material strip featuring certain oriented rubstone figure.

R

Stone rough

0.25-0.60

Glazed surface obtained after melting treatment of electrotinned raw material strip featuring certain oriented rubstone figure.

S

Silver rough

0.5-1.00

Glazed surface obtained after melting treatment of electrotinned raw material strip with rough matt surface.

M

Matte rough

0.80-2.50

Matt surface of general matt raw material strip without melting treatment

Classification

Designation of Tin Coating Weight

Min./Average Tin Coat 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 Coated

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