NM450SP super wear-resistant steel distributing large amount of nano-carbide on lath martensite matrix to further enhance wear-resisting property.The NM450SP wear resistance property is enhanced by the precipitation of super hard TiC particle,its hardness and mechanical property is equivalent to NM450, but its wear resistance is more than 1.6 times of NM450,and 1.3 or more times of NM550.
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| Comparison on wear-resisting property between NM450SP and NM550 |
Using NM450SP replace high chromium cast iron to make the mixing tank lining plate and the discharge opening lining plate has the advantages of strong plasticity and toughness and improved wear resistance.
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| NM450SP and High-Cr cast iron Comparison of relative wear resistance |
Super Wear Resistant Steel NM450SP Properties
| Grade | Available Thickness | Yield strength,Mpa | Tensile strength,Mpa | Elongation | Brinell hardness |
| NM450SP | 4-25 mm | 1150 | 1450 | 12% | 450 |
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