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Common Carbon Steel Chemical Components and Mechanical Properties

The chemical composition and mechanical properties for common carbon steel materials and grades, such as China ZG, USA ASTM, Germany DIN, UK BS.
 

 

C≤

Si≤

Mn≤

P≤

S≤

Cr

Ni

Mo

 

Heat Treat

σ0.2

σb

δ%

Ψ%

China (GB/YB)

15

0.12-0.19

0.17-0.37

0.35-0.65

0.035

0.035

≤0.25

≤0.25

-

 

-

225

375

27

55

20

0.17-0.24

0.17-0.37

0.35-0.65

0.035

0.035

≤0.25

≤0.25

-

 

-

245

410

25

55

25

0.22-0.30

0.17-0.37

0.50-0.80

0.035

0.035

≤0.25

≤0.25

-

 

-

275

450

23

50

30

0.27-0.35

0.17-0.37

0.50-0.80

0.035

0.035

≤0.25

≤0.25

-

 

-

295

490

21

50

35

0.32-0.40

0.17-0.37

0.50-0.80

0.035

0.035

≤0.25

≤0.25

-

 

-

315

530

20

45

40

0.37-0.45

0.17-0.37

0.50-0.80

0.035

0.035

≤0.25

≤0.25

-

 

-

335

570

19

45

45

0.42-0.50

0.17-0.37

0.50-0.80

0.035

0.035

≤0.25

≤0.25

-

 

-

355

600

16

40

ZG200-400

0.20

0.50

0.80

0.040

0.040

-

-

-

 

920-940

200

400

25

40

ZG230-450

0.30

0.50

0.90

0.040

0.040

-

-

-

 

890-910

230

450

22

23

ZG270-500

0.40

0.50

0.90

0.040

0.040

-

-

-

 

880-900

270

500

18

25

ZG310-570

0.50

0.60

0.90

0.040

0.040

-

-

-

 

870-890

310

570

15

21

ZG340-640

0.60

0.60

0.90

0.040

0.040

-

-

-

 

840-860

340

640

10

18

USA (ASTM/AISI/SAE)

1015

0.13-0.18

-

0.30-0.60

0.040

0.050

-

-

-

 

-

-

-

-

-

1020

0.18-0.23

-

0.30-0.60

0.040

0.050

-

-

-

 

-

-

-

-

-

1025

0.22-0.28

-

0.30-0.60

0.040

0.050

-

-

-

 

-

-

-

-

-

1030

0.28-0.34

-

0.60-0.90

0.040

0.050

-

-

-

 

-

-

-

-

-

1035

0.32-0.38

-

0.60-0.90

0.040

0.050

-

-

-

 

-

-

-

-

-

1040

0.37-0.44

-

0.60-0.90

0.040

0.050

-

-

-

 

-

-

-

-

-

1045

0.43-0.50

-

0.60-0.90

0.040

0.050

-

-

-

 

-

-

-

-

-

415-205 (60-30)

0.30

0.80

0.60

0.050

0.060

-

-

-

 

-

205

415

24

35

450-240 (65-35)

0.30

0.80

0.70

0.050

0.060

-

-

-

 

-

240

450

24

35

485-250 (70-35)

0.35

0.80

0.70

0.050

0.060

-

-

-

 

-

250

485

22

30

485-275 (70-40)

0.25

0.80

1.20

0.050

0.060

-

-

-

 

-

275

485

22

30

Germany (DIN)

C15(1.0401)

0.12-0.18

0.40

0.30-0.60

0.045

0.045

-

-

-

 

-

440

740

12

35

C25(1.0406)

0.22-0.29

0.40

0.40-0.70

0.045

0.045

≤0.40

≤0.10

≤0.40

 

-

370

550

19

40

C30(1.0528)

0.27-0.34

0.40

0.50-0.80

0.045

0.045

≤0.40

≤0.10

≤0.40

 

-

400

600

18

35

C35(1.0501)

0.32-0.39

0.40

0.50-0.80

0.045

0.045

≤0.40

≤0.10

≤0.40

 

-

430

630

17

35

C40(1.0511)

0.37-0.44

0.40

0.50-0.80

0.045

0.045

≤0.40

≤0.10

≤0.40

 

-

460

650

16

30

C45(1.0503)

0.42-0.50

0.40

0.50-0.80

0.045

0.045

≤0.40

≤0.10

≤0.40

 

-

500

700

14

30

GS38(1.0420)

0.25

0.20-0.60

0.20-0.50

0.040

0.040

-

-

-

 

-

200

380

25

40

GS45(1.0446)

0.25

0.60

0.20-0.50

0.040

0.040

-

-

-

 

-

230

450

22

31

GS-C25(1.0619)

0.18-0.23

0.30-0.60

0.50-0.80

0.020

0.015

≤0.30

-

-

 

-

245

440

22

-

UK (BS)

070M20

0.16-0.24

0.10-0.40

0.50-0.90

0.050

0.050

-

-

-

 

-

-

-

-

-

080A15

0.13-0.18

0.10-0.40

0.70-0.90

0.050

0.050

-

-

-

 

-

-

-

-

-

080A30

0.26-0.34

0.10-0.40

0.70-0.90

0.050

0.050

-

-

-

 

-

-

-

-

-

080A42

0.40-0.45

0.10-0.40

0.70-0.90

0.050

0.050

-

-

-

 

-

-

-

-

-

080A47

0.45-0.50

0.10-0.40

0.70-0.90

0.050

0.050

-

-

-

 

-

-

-

-

-

A1

0.25

0.60

0.90

0.050

0.050

≤0.30

≤0.40

≤0.15

 

-

230

430

22

-

A2

0.35

0.60

1.00

0.050

0.050

-

-

-

 

-

260

490

18

-

A3

0.45

0.60

1.00

0.050

0.050

-

-

-

 

-

295

540

14

-

A4

0.18-0.25

0.60

1.20-1.60

0.050

0.050

-

-

-

 

-

320

540

16

-

A5

0.25-0.33

0.60

1.20-1.60

0.050

0.050

-

-

-

 

-

370

620

13

-

France (NF)

C22E(XC18)

0.17-0.24

0.40

0.40-0.70

0.035

0.035

≤0.40

≤0.10

≤0.40

 

-

-

-

-

-

C25E(XC25)

0.22-0.29

0.40

0.40-0.70

0.035

0.035

≤0.40

≤0.10

≤0.40

-

-

-

-

-

C30E(XC32)

0.27-0.34

0.40

0.50-0.80

0.035

0.035

≤0.40

≤0.10

≤0.40

-

-

-

-

-

C35E(XC38H1)

0.32-0.39

0.40

0.50-0.80

0.035

0.035

≤0.40

≤0.10

≤0.40

-

-

-

-

-

C40E(XC42H1)

0.37-0.44

0.40

0.50-0.80

0.035

0.035

≤0.40

≤0.10

≤0.40

-

-

-

-

-

C45E(XC48H1)

0.42-0.50

0.40

0.50-0.80

0.035

0.035

≤0.40

≤0.10

≤0.40

-

-

-

-

-

GE230

0.20

0.60

1.20

0.035

0.030

≤0.30

≤0.40

≤0.15

 

-

-

-

-

-

GE280

0.25

0.60

1.20

0.035

0.030

≤0.30

≤0.40

≤0.15

-

-

-

-

-

GE320

0.32

0.60

1.20

0.035

0.030

≤0.30

≤0.40

≤0.15

-

-

-

-

-

GE370

0.45

0.60

1.20

0.035

0.030

≤0.30

≤0.40

≤0.15

-

-

-

-

-

Japan (JIS)

S15C

0.13-0.18

0.15-0.35

0.30-0.60

0.030

0.035

≤0.20

≤0.20

-

 

880-930

235

370

30

-

S20C

0.18-0.23

0.15-0.35

0.30-0.60

0.030

0.035

≤0.20

≤0.20

-

 

870-920

245

400

28

-

S25C

0.22-0.28

0.15-0.35

0.30-0.60

0.030

0.035

≤0.20

≤0.20

-

 

860-910

265

440

27

-

S30C

0.27-0.33

0.15-0.35

0.60-0.90

0.030

0.035

≤0.20

≤0.20

-

 

850-900

285

470

25

-

S35C

0.32-0.38

0.15-0.35

0.60-0.90

0.030

0.035

≤0.20

≤0.20

-

 

840-890

305

510

23

-

S40C

0.37-0.43

0.15-0.35

0.60-0.90

0.030

0.035

≤0.20

≤0.20

-

 

830-880

325

540

22

-

S45C

0.42-0.48

0.15-0.35

0.60-0.90

0.030

0.035

≤0.20

≤0.20

-

 

820-870

345

570

20

-

SC360

0.20

-

-

0.040

0.040

-

-

-

 

-

175

360

23

35

SC410

0.30

-

-

0.040

0.040

-

-

-

 

-

205

410

21

35

SC450

0.35

-

-

0.040

0.040

-

-

-

 

-

225

450

19

30

SC480

0.40

-

-

0.040

0.040

-

-

-

 

-

245

480

17

25

 

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