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high-strength wear-resistant steel plate (nm360～nm400 series)
1 main use
high-strength wear-resistant steel plate is mainly used in the construction machinery industry to manufacture excavator, loader, bulldozer, grader, coal machine, large off-highway dump truck, electric wheel and other products wear-resistant working parts and structure, mining, mineral processing, dock, cement plants and steel mills need equipment parts that are subject to wear and erosion during material transportation.
2 grades and standards
grade: nm360, nm400
implementation of the technical agreement:
3 technical conditions of supply
3.1 product specifications
3～100×1500～4000×l
3.2 delivery status: quenching, quenching tempering, tmcp tempering or heat treatment
3.3 melting chemical composition
table 1 smelting chemical composition of steel product details
牌 号 | c max | si max | mn max | p max | s max | mo max | b max | cr max | ni max |
nm360 | 0.25 | 0.70 | 1.60 | 0.025 | 0.015 | 0.50 | 0.005 | 0.8 | 0.5 |
nm400 | 0.27 | 0.80 | 1.60 | 0.025 | 0.010 | 0.60 | 0.005 | 1.00 | 0.7 |
nm450 | 0.30 | 0.7 | 1.7 | 0.025 | 0.10 | 0.8 | 0.005 | 1.1 | 0.8 |
nm500 | 0.38 | 0.7 | 1.7 | 0.020 | 0.010 | 0.65 | 0.005 | 1.2 | 1.0 |
nm550 | 0.38 | 0.7 | 1.7 | 0.020 | 0.010 | 0.7 | 0.005 | 1.2 | 1.0 |
3.4mechanical properties
the steel mill only tests the brinell hardness of the steel plate surface, which is in accordance with table 3. other mechanical indicators are for customer reference only.
table 2 mechanical properties of steel plates
牌号 | 布氏硬度 hbw |
nm360 | ≥350 |
nm400 | ≥375 |
nm450 | ≥420 |
nm500 | ≥470 |
nm550 | ≥530 |
note: table 2 is typical data for 20mm steel plates.