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C

Si

Mn

Ni

V

Nb

Al_t

P

S

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16MnDR

≤0.20

0.15¡«0.50

1.20¡«1.60

-

-

-

≥0.020

0.020

0.010

15MnNiDR

≤0.18

0.15¡«0.50

1.20¡«1.60

0.20¡«0.60

≤0.06

≥0.020

0.020

0.008

15MnNiNbDR

≤0.18

0.15¡«0.50

1.20¡«1.60

0.30¡«0.70

-

0.015¡«0.040

-

0.020

0.008

09MnNiDR

≤0.12

0.15¡«0.50

1.20¡«1.60

0.30¡«0.80

-

≤0.040

≥0.020

0.020

0.008

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16MnDR

6¡«16

490¡«620

315

21

-40

47

d=2a

£¾16¡«36

470¡«600

295

d=3a

£¾36¡«60

460¡«590

285

£¾60¡«100

450¡«580

275

-30

47

£¾100¡«120

440¡«570

265

15MnNiDR

6¡«16

490¡«620

325

20

-45

60

d=3a

£¾16¡«36

480¡«610

315

£¾36¡«60

470¡«600

305

15MnNiNbDR

10¡«16

530¡«630

370

20

-50

60

d=3a

£¾16¡«36

530¡«630

360

£¾36¡«60

520¡«620

350

09MnNiDR

6¡«16

440¡«570

300

23

-70

47

d=2a

£¾16¡«36

430¡«560

280

£¾36¡«60

430¡«560

270

-70

60

£¾60¡«120

420¡«550

260

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