NM400Tp is a type of no quenching and tempering Low Yield Ratio Wear Resistant Steel,the structure of the NM400Tp is composed of the three phases of ferrite + retained austenite + martensite or bainite.
Material Grade:NM300TP,NM400TP,NM450TP
| Steel Grade | Available Specification(mm) | Typical property | |||||
| Thickness | Width |
Yield Strength MPa |
Tensile strength MPa |
Yield strength ratio | Elongation % |
Brinell hardness HBW |
|
| NM300TP | 3.0-4.5 | 1100-1600 | 650-750 | 950-1100 | 0.65-0.75 | 16-20 | 270-330 |
| NM400TP | 4-8 | 1300-1700 | 950-1100 | 1300-1450 | 0.68-0.75 | 12-16 | 370-430 |
| NM450TP | 4-8 | 1300-1700 | 1050-1200 | 1400-1550 | 0.70-0.78 | 11-15 | 430-470 |
1.NM400Tp Wear Resistant Steel Property
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Performance distribution of NM400TP (45 batches):
Brinell hardness is highly uniform, fluctuation is <±15HBW, uniform wear ensures service life.
The tensile strength is ≥1400MPa and the elongation is >11%, ensuring the processing and forming performance of martensitic ultra-high-strength wear-resistant steel.
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| Table1:Hot Rolled Wear Resistant Steel NM400Tp Brinell hardness on surface |
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| Table2:Hot Rolled Wear Resistant Steel NM400Tp Tensile Strength |
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| Table3:Hot Rolled Wear Resistant Steel NM400Tp Elongation |
- Uniform hardness distribution:
The hardness of the 5.0mm thick hot-rolled wear-resistant steel NM400TP plate is uniform in the width and length directions, and there is no significant decrease in the edges and the head and tail.
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| Table4:Hot Rolled Wear Resistant Steel NM400Tp Brinell hardness on surface |
2.Compared with quenched and tempered steel plate
The yield-to-strength ratio is lower and the elongation is equivalent, which improves the material forming performance, reduces the chance of bending cracking, and reduces the loss of the bending machine. The Brinell hardness is equivalent, ensuring the wear resistance of the material.
- Comparison of mechanical properties - thickness 5mm:(average value)
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| Table5:Comparsion of yield strength ratio |
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| Table6:Comparsion of Brinell hardness |
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| Table7:Comparsion of Elongation |
- Low temperature impact comparison - thickness 5mm(average value)
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| Table8: Comparison of Impact Toughness at the temperature of -40℃ |
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