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Chemical Ingredients and Physical features of High Quality Carbon Steel

Chemical Ingredient and Physical features of High quality carbon steel
(Chinese Standard: GB/T699-1999)

No.

Code

CN Brand

S.A.E

Chemical Ingredient 

Physical Features

C

Si

Mn

Cr

M

Cu

sb MPa

s MPa

d 5%

y%

AKu2 /J

<=

>=

1

U20080

08F

1006

0.05 - 0.11

?¨¹0.03

0.25-0.50

0.10

0.30

0.25

295

175

35

60

 

2

U20l00

10F

1010

0.07 - 0.13

?¨¹0.07

0.25-0.50

0.15

0.30

0.25

315

185

33

55

 

3

U20150

15F

1015

0.12 - 0.18

?¨¹0.07

0.25-0.50

0.25

0.30

0.25

355

205

29

55

 

4

U20082

08

1008

0.05 - 0.11

0.17-0.37

0.35-0.65

0.10

0.30

0.25

325

195

33

60

 

5

U20102

lO

1010

0.07 - 0.13

0.17-0.37

0.35-0.65

0.15

0.30

0.25

335

205

3l

55

 

6

U20152

15

1015

0.12-0.18

0.17-0.37

0.35-0.65

0.25

0.30

0.25

375

225

27

55

 

7

U20202

20

1020

0.17-0.23

0.17-0.37

0.35-0.65

0.25

0.30

0.25

4lO

245

25

55

 

8

U20252

25

1025

0.22-0.29

0.17-0.37

0.50-0.80

0.25

0.30

0.25

450

275

23

50

71

9

U20302

30

1030

0.27-0.34

0.17-0.37

0.50-0.80

0.25

0.30

0.25

490

295

21

50

63

10

U20352

35

1035

0.32-0.39

0.17-0.37

0.50-0.80

0.25

0.30

0.25

530

315

20

45

55

11

U20402

40

1040

0.37-0.44

0.17-0.37

0.50-0.80

0.25

0.30

0.25

570

335

19

45

47

12

U20452

45

1045

0.42 - 0.50

0.17-0.37

0.50-0.80

0.25

0.30

0.25

600

355

16

40

39

13

U20502

50

1050

0.47-0.55

0.17-0.37

0.50-0.80

0.25

0.30

0.25

630

375

14

40

31

14

U20552

55

1055

0.52-0.60

0.17-0.37

0.50-0.80

0.25

0.30

0.25

645

380

13

35

 

15

U20602

60

1060

0.57-0.65

0.17-0.37

0.50-0.80

0.25

0.30

0.25

675

400

12

35

 

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