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high quality carbon structural steel cold rolled steel sheet and strip-k8凯发官网

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    • 1

high quality carbon structural steel cold rolled steel sheet and strip

1 main uses: automobile manufacturing, tractor manufacturing, light industry and general stamping parts.

2 brand and standard: grade 08al, 08~20#; execution standard: gb13237-91.

3 technical conditions of supply

3.1 product specifications: 0.3 ~ 2.5 × 900 ~ 1800mm

3.2 chemical composition

table 1 chemical composition, %

 

牌号

c

si

mn

cr≤

ni≤

cu≤

al(酸溶铝)

08

0.05-0.11

0.17-0.37

0.35-0.65

0.10

0.30

0.25


08al

≤0.11

≤0.03

≤0.65

0.10

0.30

0.25

0.015-0.065

10

0.07-0.13

0.17-0.37

0.35-0.65

0.15

0.30

0.25

-

15

0.12-0.18

0.17-0.37

0.35-0.65

0.25

0.30

0.25

20

0.17-0.23

0.17-0.37

0.35-0.65

0.25

0.30

0.25



3.3 mechanical properties

table 2 mechanical properties and cupping test

牌号

级

别

抗拉强度

mpa

伸长率

δ10，%

冲压深度，不小于         mm

0.5

0.6

0.7

0.8

0.9

1.0

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

1.9

2.0

08

z

275-390

32

9.0

9.4

9.7

10.0

10.3

10.5

10.8

11.0

11.2

11.3

11.5

11.6

11.8

11.9

12.0

12.1

s

275-410

30

8.4

8.9

9.2

9.5

9.9

10.1

10.4

10.6

10.8

11.0

11.2

11.4

11.6

11.7

11.8

11.9

p

28

8.0

8.5

8.9

9.3

9.6

9.9

10.2

10.4

10.6

10.8

11.0

11.2

11.4

11.5

11.7

11.8

08al

z

275-390

32

9.0

9.4

9.7

10.0

10.3

10.5

10.8

11.0

11.2

11.3

11.5

11.6

11.8

11.9

12.0

12.1

s

275-410

30

8.4

8.9

9.2

9.5

9.9

10.1

10.4

10.6

10.8

11.0

11.2

11.4

11.6

11.7

11.8

11.9

p

28

8.0

8.5

8.9

9.3

9.6

9.9

10.2

10.4

10.6

10.8

11.0

11.2

11.4

11.5

11.7

11.8

10

z

295-410

30

8.0

8.4

8.6

8.8

9.0

9.2

-

-

-

-

-

-

-

-

-

-

s

295-430

29

7.6

7.8

8.0

8.2

8.4

8.6

-

-

-

-

-

-

-

-

-

-

p

28

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

15

z

335-450

27

8.0

8.4

8.6

8.8

9.0

9.2

-

-

-

-

-

-

-

-

-

-

s

335-470

26

7.6

7.8

8.0

8.2

8.4

8.6

-

-

-

-

-

-

-

-

-

-

p

25

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

20

z

355~490
























































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