Global · Enterprise standard

Type 317

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Chemical composition

wt% · log scale
0.010.1110100C0.08Cr18 – 20Mn2Mo3 – 4N0.1Ni11 – 15P0.045S0.03Si0.75
  • min – max range
  • typical value

Mechanical properties

value range by condition
Yield strength Rp0.2264 MPaTensile strength Rm588 MPaElongation A55 %heavy plate, steel strip, annealed, 0.9 mm, sheetYield strength Rp0.2≥292 MPaTensile strength Rm≥564 MPaElongation A≥68 %bars, annealed

High / low temperature

value vs. temperature
83.2196310423536427538649°C
  • bars annealed · Yield strength Rp0.2
  • bars annealed · Tensile strength Rm

Physical properties

vs. temperature
Mean thermal expansion 10⁻⁶/K
16.5 – 19.5°C
Specific heat J/(kg·K)
450 – 485°C

Chemical composition

ElementminmaxSimilarRemarks
C0.08
Cr1820
Mn2
Mo34
N0.1
Ni1115
P0.045
S0.03
Si0.75

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
heavy plate, steel strip, annealed, 0.9 mm, sheet26458855
bars, annealed≥292≥564≥68 Lo= 50 mm

Physical properties

20.0

Elastic modulusMean thermal expansionThermal conductivitySpecific heatResistivityDensityPoisson's ratio
200.00450.000.798.03

Typical physical values

DensityElastic modulusPoisson's ratioRemarks
7.61–8.10190.00–215.000.27–0.30不锈钢的典型材料性能数值,此值不来源于标准,它是指示性指标,不能被用于设计用途。
7.86190.00–210.000.27–0.30低碳,高合金钢材料性能属性数值,此值不来源于标准,它是指示性指标,不能被用于设计用途。

High/low temperature

Yield strength Rp0.2 (MPa)
ConditionTemperature ℃Approx.
bars annealed649135
bars annealed538139
bars annealed427151
Tensile strength Rm (MPa)
ConditionTemperature ℃Approx.
bars annealed871127
bars annealed760218
bars annealed649343
bars annealed538453
bars annealed427484
bars annealed316475
bars annealed204475
bars annealed93492

Similar grades

GradeRegionSystem
A167 Type 317United StatesASTM
SA-240 S31700United StatesASME