GB/T 24186 Wearing Resistant Steel Plate
GB/T 24186 steel is a kind of high strength abrasion resistant steel plates for contrcution machine. There are seven steel grades under this standard: NM300, NM360, NM400, NM450 NM500, NM550, NM600. The GB/T 24186 standard specifies the brand, size, shape, weight and allowable deviation, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of high-strength wear-resistant steel plates for construction machinery.
Introduction
Steel properties
GB/T 24186 steel plate chemical composition(%):
|
Material
|
C max . |
Si max . |
Mn max . |
P max . |
S max . |
Cr max . |
Ni max . |
Mo max . |
Ti max. |
B max . |
Als min. |
|
NM400 |
0.30 |
0.70 |
1.60 |
0.025 |
0.010 |
1.00 |
0.70 |
0.50 |
0.050 |
0.005- |
0.010 |
|
NM450 |
0.35 |
0.70 |
1.70 |
0.025 |
0.010 |
1.10 |
0.80 |
0.55 |
0.050 |
||
|
NM500 |
0.38 |
0.70 |
1.70 |
0.020 |
0.010 |
1.20 |
1.00 |
0.65 |
0.050 |
||
|
NM550 |
0.38 |
0.70 |
1.70 |
0.020 |
0.010 |
1.20 |
1.00 |
0.70 |
0.050 |
||
|
NM600 |
0.45 |
0.70 |
1.90 |
0.020 |
0.010 |
1.20 |
1.00 |
0.80 |
0.050 |
GB/T 24186 steel plate mechanical properties:
GB/T 24186
|
Steel Grade
|
Thickness |
Hardness (HBW) |
Elongation % min. |
Tensile strength(MPa) min. |
|
NM400 |
≤80 |
370-430 |
10 |
1200 |
|
NM450 |
≤80 |
420 - 480 |
7 |
1250 |
|
NM500 |
≤70 |
470min. |
- |
- |
|
NM550 |
≤70 |
530 min. |
- |
- |
|
NM600 |
≤60 |
570 min. |
- |
- |
Application
GB/T 24186 steel plates NM400, NM450 NM500 abrasion resistant steel are widely used in underground mines, cement industry, road construction, mining and open-pit mining and metallurgical industries and manufacturing other wear-resistant parts.
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Pakistan 899.400 Tons BV E550 Sh
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This regular client come from Guyana, and they have service for Guyana government for many years,they have purchased our 1653tons CCS-AH36 ship building steel plate for cruiser project.
