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Chemical composition

wt% · log scale
0.010.1110100C0.35 – 0.75Cr17 – 21Mn2Mo0.5Ni37 – 41P0.03S0.03Si2
  • min – max range
  • typical value

Mechanical properties

value range by condition
Yield strength Rp0.2≥276 MPaTensile strength Rm≥489 MPaElongation A≥20 %

Physical properties

vs. temperature
Mean thermal expansion 10⁻⁶/K
15.8 – 19.1°C
Thermal conductivity W/(m·K)
12.1 – 26.5°C

Chemical composition

ElementminmaxSimilarRemarks
C0.350.75
Cr1721
Mn2
Mo0.5
Ni3741
P0.03
S0.03
Si2

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
castings, Heat treated≥276≥489≥20

Physical properties

20.0

Elastic modulusMean thermal expansionThermal conductivitySpecific heatResistivityDensityPoisson's ratio
8.03

Typical physical values

DensityElastic modulusPoisson's ratioRemarks
7.85200.00–207.000.27–0.30低碳钢低合金钢的材料性能属性数值,此值不来源于标准,它是指示性指标,不能被用于设计用途。