Abrasion Resistant Steel Plates
Abrasion Resistant Steel Plates
Main Application
NM360-NM550 abrasion resistant steel was applied to machinery in the fields of construction, mining, metallurgy, civil engineering and agriculture, etc, concretely such as excavator, ball mill, tip lorry, and scraper, etc.
Delivery Conditions
Quenched and quenched+tempered.
Steel Grade
Category | Standard | Grade | Remarks |
Chinese standard |
GB/T 24186-2009 |
NM360、NM400、NM450、NM500、NM550 | High strength abrasion resistant steel plates for construction machine |
Technical requirements | Technical agreements | BISPLATE360、BISPLATE400、BISPLATE450、 BISPLATE500、W550R、SUN501、27MnTiB | According to customer requirements |
Chemical Composition Maximum (%)
Grade | C | Si | Mn | P | S | Ni | Mo | Others |
NM360 | 0.25 | 0.70 | 1.60 | 0.025 | 0.015 | 0.50 | 0.50 | Moderate |
NM400 | 0.30 | 0.70 | 1.60 | 0.025 | 0.010 | 0.70 | 0.50 | Moderate |
NM450 | 0.35 | 0.70 | 1.70 | 0.025 | 0.010 | 0.80 | 0.55 | Moderate |
NM500 | 0.38 | 0.70 | 1.70 | 0.020 | 0.010 | 1.00 | 0.65 | Moderate |
NM550 | 0.38 | 0.70 | 1.70 | 0.020 | 0.010 | 1.00 | 0.70 | Moderate |
Mechanical Properties
Grade | Thickness, mm | Hardness, HBW |
NM360 | 10-80 | 330-390 |
NM400 | 10-80 | 370-430 |
NM450 | 10-60 | 420-480 |
NM500 | 10-50 | ≥470 |
NM550 | 10-50 | ≥530 |
Typical Mechanical Properties
Grade | Thickness, mm | Hardness, HBW |
NM360 | 10-60 | 330-387 |
NM400 | 10-50 | 377-429 |
NM450 | 10-50 | 437-481 |
NM500 | 10-50 | 470-511 |
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