NM400 NM450 NM500 Wear Resistant Steel Plate
C 0.25 or less
Si 0.70 or less
Mn 1.60 or less
P 0.025 or less
S 0.010 or less
Cr 1.4 or less
Mo 0.50 or less
Ni 1.00 or less
B 0.004 or less
NM400, NM450, and NM500 are all grades of wear-resistant steel plate. They are designed to resist abrasion, wear, and impact from materials such as rocks, sand, and minerals. NM stands for "non-magnetic," indicating that these grades of steel are not magnetic and are made from high-strength materials that provide excellent wear resistance.
NM400 steel plate has a Brinell hardness of 400, and is used in applications such as mining equipment, construction machinery, and earth-moving equipment.
NM450 steel plate has a Brinell hardness of 450, and is used in applications where increased wear resistance is required. These include mining equipment, construction machinery, and materials handling equipment.
NM500 steel plate has a Brinell hardness of 500, and is used in applications where heavy wear and tear is expected. It is commonly used in mining equipment, construction machinery, and earth-moving equipment.
All three grades of steel plate are commonly used in harsh environments where materials are subjected to repeated impact and abrasion. They are known for their high strength, durability, and long service life.
|
Steel/Grade |
C |
Si |
Mn |
P |
S |
AL |
Cr+Ni+Mo |
Nb+V+Ti |
|
NM360/AR360 |
0.10-0.30 |
0.20-0.40 |
1.00-2.00 |
≤0.015 |
≤0.003 |
≥0.20 |
<0.6 |
Trace Amount |
|
NM400/AR400 |
0.10-0.40 |
0.20-0.40 |
1.00-2.00 |
≤0.015 |
≤0.0003 |
≥00.20 |
<0.9 |
|
|
NM450/AR450 |
0.10-0.40 |
0.20-0.40 |
1.00-2.00 |
≤0.015 |
≤0.003 |
≥0.20 |
<1.2 |
|
|
NM500/AR500 |
0.10-0.40 |
0.20-0.45 |
1.00-2.00 |
≤0.015 |
≤0.003 |
≥0.20 |
<1.5 |
|
|
NM550/AR550 |
0.10-0.50 |
0.20-0.45 |
1.00-1.50 |
≤0.015 |
≤0.003 |
≥0.20 |
<2.0 |
|
|
NM600/AR600 |
0.10-0.50 |
0.20-0.45 |
1.00-1.50 |
≤0.015 |
≤0.003 |
≥0.20 |
<2.5 |
|
Mechanical property |
||||
|
Grade |
Tensile strength |
Elongation |
Hardness |
-20℃ Impact energy |
|
(Mpa) |
(%)(min) |
(HBW) |
AKv/J (min) |
|
|
NM360 |
≥1100 |
12 |
330-390 |
24 |
|
NM400 |
≥1200 |
10 |
370-430 |
24 |
|
NM450 |
≥1250 |
7 |
420-480 |
24 |
|
NM500 |
470(min) |
|||
|
NM550 |
530(min) |
|||
|
NM600 |
570(min) |
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