Wear Resistant Steel Plate Nm550
manufacturing mining machinery,
coal mine machinery and equipment,
environmental protection equipment,
sand machinery and so on.
Wear Resistant Steel Plate Nm550
NM550 is a wear-resistant plate, NM means wear-resistant, 550 is a hardness value. Usually seen NM550A/B, the value A means no impact, and the value B means impact at room temperature of 20°. Like other container plate types there are shocks D for minus 20 degrees and "E" for minus 40 degrees. F indicates the impact value of -60°. The NM550 has a Brinell hardness of 550 (HBW).
NM550 delivery status: tempering (quenching + tempering)
|
Chemical Composition |
steel plate |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
|
Thickness |
% |
% |
% |
% |
% |
% |
% |
|
|
2-120mm |
0.30-0.37 |
0.2-0.405 |
0.40-1.60 |
0.010-0.020 |
0.005-0.010 |
0.30-0.80 |
0.002-0.60 |
|
|
Hardness |
520-580HB |
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|
Mechanical Properties |
10mm thickness steel plate typical value |
Yield Strength |
Tensile Strength |
Elongation |
||||
|
Re |
Rm |
A5 |
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|
Mpa |
Mpa |
% |
||||||
|
>1300 |
>1550 |
6 |
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|
Impact Toughness |
10mm thickness steel plate typical value |
Test |
Impact test |
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|
Temperature |
Charpy-V Longitudinal |
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|
ºC |
J |
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|
-20 |
12 |
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Product Display
Productive Process
Packing&Delivery
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