HOT Dip Zink Coated Steel Sheets and Coils: JIS G3302 (normal spangle -R, Minimized Spamgle -Z)
镀锌钢板/卷(日本标准)

Hot-rolled sheet coils

热轧钢板/卷

(Properties minima unless stated)

Symbol

of Grade

钢号

Nominal

Thickness

厚度

Quality

品质

Bendability 可弯曲度(Bending Angle 180º)

Yield

Stress

屈服强度

N/mm2

Tensile

Strength

抗拉强度

N/mm2

Elongation

伸长率 %

(minimum)

最小

Test

Piece

测试片

t<1.6

1.6£t<3.0

3.0£t

Z27

or less

Z35

Z45,

Z60

Z27

or less

Z35

Z45,

Z60

Z27

or less

Z35

Z45,

Z60

SGHC

1.60£t£6.0

Commercial

1

1

2

1

2

2

2

2

2

-

-

-

No.5 in 

rolling

direction

SGH340

1.60£t£6.0

Structural

1

1

2

1

1

2

2

2

3

245

340

20

SGH400

1.60£t£6.0

Structural

2

2

2

2

2

2

3

3

3

295

400

18

SGH440

1.60£t£6.0

Structural

3

3

3

3

3

3

3

3

3

335

440

SGH490

1.60£t£6.0

Structural

3

3

3

3

3

3

3

3

3

365

490

16

SGH540

1.60£t£6.0

Structural

3

3

3

3

3

3

3

3

3

400

540

 Cold rolled sheet Coils
冷轧钢板/卷      (Properties minima unless stated)

Symbol

of Grade

钢号

Nominal

Thickness

厚度

Quality

品质

Bendability 可弯曲度 (Bending Angle 180º)

Yield

Stress

屈服强度

N/mm2

Tensile

Strength

抗拉强度

N/mm2

Elongation 伸长率 % (minimum 最小)

Test

Piece

测试片

t<1.6

1.6£t<3.0

3.0£t

Nominal Thickness 公称厚度 (mm)

Z27

or less

Z35

Z45,

Z60

Z27

or less

Z35

Z45,

Z60

Z27

or less

Z35

Z45,

Z60

³0.25

<0.40

³0.40

<0.60

³0.60

<1.0

³1.0

<1.6

³1.6

<2.5

³2.5

SGCC 0.25£t£3.2

Commercial

1 1 2 1 2 2 2 2 2 - - - - - - - -

No.5 in

rolling

direction

SGCH 0.11£t£1.0

Commercial

hard class

- - - - - - - - - - - - - - - - -
SGCD1 0.40£t£2.3

Drawing,

class 1

1 - - 1 - - - - - - 270 - 34 36 37 38 -
SGCD2 0.40£t£2.3

Drawing,

class 2

0 - - 0 - - - - - - 270 - 36 38 39 40 -
SGCD3 0.60£t£2.3

Drawing,

class 3

0 - - 0 - - - - - - 270 - 38 40 41 42 -
SGC340 0.25£t£3.2

Structural

1 1 2 1 1 2 2 2 3 245 340 20 20 20 20 20 20
SGC400 0.25£t£3.2

Structural

2 2 2 2 2 2 3 3 3 295 400 18 18 18 18 18 18
SGC440 0.25£t£3.2

Structural

3 3 3 3 3 3 3 3 3 335 440 18 18 18 18 18 18
SGC490 365 490 16 16 16 16 16 16
SGC570 0.25£t£2.0

Structural

- - - - - - - - - 560 570 - - - - - -