Chemical Composition(wt%)

Grades 

C

Si

Mn

P

S

Al

Cr+Ni+Mo

Nb+V+Ti

NM360

0.10-0.30

0.20-0.40

1.0-2.0

≤0.015

≤0.003

≥0.020

<0.6

Trade Amount

NM400

0.10-0.30

0.20-0.40

1.0-2.0

≤0.015

≤0.003

≥0.020

<0.9

NM450

0.10-0.40

0.20-0.40

1.0-2.0

≤0.015

≤0.003

≥0.020

<1.2

NM500

0.10-0.40

0.20-0.45

1.0-2.0

≤0.015

≤0.003

≥0.020

<1.5

XCHD400

0.10-0.30

0.20-0.40

1.0-2.0

≤0.015

≤0.003

≥0.020

<0.6

XCHD450

0.10-0.40

0.20-0.40

1.0-2.0

≤0.015

≤0.003

≥0.020

<0.9

XCHD500

0.10-0.40

0.20-0.45

1.0-2.0

≤0.015

≤0.003

≥0.020

<1.5

Mechanical Properties

Grades

Size

Rel/ReH/Rp0.2,MPa

Rm,MPa

A50,%

AKV,℃

AKV,J

HBW

NM360

20

1061

1313

17

20

169

164

162

398

NM400

100

1233

1377

15

-20

35

37

42

415

NM450

60

1345

1434

9.5

-20

72

59

58

445

NM500

50

1608

1706

10.5

-20

43

50

45

485

XCHD400

35

1125

1261

17.5

-40

52

45

40

393

XCHD450

30

1281

1400

10.5

-40

45

48

52

448

XCHD500

6

1465

1529

13.5

-40

24

24

22

495

Application Field

Grade

Suitable working condition

Suitable performance

Example of application

NM360

wear resistant condition with hight toughness requirement

high crack resistant;good welding performace

blade plates,crushers and tear tools,etc

NM400

wear resistant condition

good cold bending;good welding performance

crushers,chutes,hoppers,crane booms,cutting edges,conveyor troughs,buckets,gear,sprockets,truck dump bodies,shovels,industrial trucks,railway wagon,bulldozers,excavators,concrete mixer drums,skrew conveyor,etc

NM450

wear resistant condition

good cold bending;good welding performance

truck dump bodies,container,crushers,screens,chutes,hoppers,mobile man-lifts,cutting edges,Transport trailers,buckets,gears,sprockets,etc.