牌号及规格 Grade and size :
牌号Grade |
执行标准 Standard |
交货状态Condition |
可供货的产品规格Size |
厚度Thickness(mm) |
宽度Width(mm) |
长度Length(mm) |
NM360 |
GB/T 24186-2009 |
淬火+回火 Q+T |
5-60 |
1600-3200 |
6000-24000 |
NM400 |
NM450 |
NM500 |
NM550 |
NM600 |
NH1250 |
1、国内外牌号对照表 Grade comparison
Mill |
SSAB |
JFE |
DILLIDUR |
ThyssenkKrupp |
Ruukki |
NM360 |
|
EH360 |
|
|
|
NM400 |
HARDOX400 |
EH400 |
400V |
XAR400 |
Raex400 |
NM450 |
HARDOX450 |
|
450V |
XAR450 |
Raex450 |
NM500 |
HARDOX500 |
EH500 |
500V |
XAR500 |
Raex500 |
NM550 |
HARDOX550 |
|
|
|
|
2、 化学成分性能Chemical composition :
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
B |
N |
H |
Ceq |
NM360/ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
NM400 |
0.2 |
0.4 |
1.5 |
0.012 |
0.005 |
0.35 |
0.3 |
0.002 |
0.005 |
0.00025 |
0.53 |
NM450 |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
0.22 |
0.6 |
1.5 |
0.012 |
0.005 |
0.8 |
0.3 |
0.002 |
0.005 |
0.00025 |
0.62 |
NM500 |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
0.3 |
0.6 |
1 |
0.012 |
0.002 |
1 |
0.3 |
0.002 |
0.005 |
0.0002 |
0.65 |
NM550 |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
0.35 |
0.4 |
1.2 |
0.01 |
0.002 |
1 |
0.3 |
0.002 |
0.0045 |
0.0002 |
0.72 |
3.机械性能 Mechanical properties :
钢号Grade |
屈服强度Yield |
抗拉强度Tensile |
延伸率Elongation A50 |
布氏硬度Hardness |
纵向冲击 Impact(L)/J |
90°冷弯Cold bend |
/MPa |
/MPa |
/% |
HBW10/3000 |
(-20℃) |
NM360 |
≥900 |
≥1050 |
≥12 |
320-390 |
≥21 |
D≥3a合格 |
NM400 |
≥950 |
≥1200 |
≥12 |
380-430 |
≥21 |
NM450 |
≥1050 |
≥1250 |
≥7 |
420-480 |
≥21 |
D≥4.5a合格 |
NM500 |
≥1100 |
≥1350 |
≥6 |
≥470 |
≥17 |
D≥6a合格 |
NM550 |
|
|
|
≥530 |
|
Also can produce ultralow temperature high toughness wear resistant plate .
注:同时可以结合用户需求生产超低温高韧的系列耐磨钢板(-40℃、-60℃冲击功大于20J)