France · AFNOR NF

1.4317

NF EN 10340

Chemical composition

wt% · log scale
0.010.1110100C0.06Cr12 – 13.5Cu0.3Mn1Mo0.7Ni3.5 – 5P0.035S0.025Si1V0.08
  • min – max range
  • typical value

Mechanical properties

value range by condition
Yield strength Rp0.2≥570 MPaTensile strength Rm760–960 MPaImpact energy Kv/Ku≥50 JElongation A≥15 %

Physical properties

vs. temperature
Mean thermal expansion 10⁻⁶/K
10.5 – 12.0°C
Thermal conductivity W/(m·K)
26.0 – 27.0°C

Chemical composition

ElementminmaxSimilarRemarks
C0.06
Cr1213.5
Cu0.3
Mn1
Mo0.7
Ni3.55
P0.035
S0.025
Si1
V0.08

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
castings +QT, <= 300 mm≥570760–960≥15≥50 KV (room temperature)

Physical properties

20.0

Elastic modulusMean thermal expansionThermal conductivitySpecific heatResistivityDensityPoisson's ratio
460.007.70

Typical physical values

DensityElastic modulusPoisson's ratioRemarks
7.61–8.10190.00–215.000.27–0.30Typical material properties for stainless steel. These values are not taken from the standard; they are indicative and must not be used for design.
7.86190.00–210.000.27–0.30Material properties for low-carbon, high-alloy steel. These values are not taken from the standard; they are indicative and must not be used for design.

Similar grades

GradeRegionSystem
1.6982ItalyUNI
GX 3 CrNi 13 4ItalyUNI
1.6982SpainUNE
GX 3 CrNi 13 4SpainUNE
1.6982RomaniaSTAS
GX 3 CrNi 13 4RomaniaSTAS
1.6982SwedenSS
GX 3 CrNi 13 4SwedenSS
1.6982SwitzerlandSNV
GX 3 CrNi 13 4SwitzerlandSNV
1.6982FinlandSFS
GX 3 CrNi 13 4FinlandSFS
1.6982PolandPN
GX 3 CrNi 13 4PolandPN
1.6982AustriaONORM
1.6982NorwayNS
GX 3 CrNi 13 4NorwayNS
1.6982BelgiumNBN
GX 3 CrNi 13 4BelgiumNBN
1.6982HungaryMSZ
GX 3 CrNi 13 4HungaryMSZ
1.6982Czech RepublicCSN
GX 3 CrNi 13 4Czech RepublicCSN
1.6982BulgariaBDS
GX 3 CrNi 13 4BulgariaBDS
1.6982United KingdomB.S.
GX 3 CrNi 13 4United KingdomB.S.
1.6982FranceAFNOR NF
1.4317ItalyUNI
GX 4 CrNi 13-4ItalyUNI
1.4317SpainUNE
GX 4 CrNi 13-4SpainUNE
1.4317RomaniaSTAS
GX 4 CrNi 13-4RomaniaSTAS
1.4317SwedenSS
GX 4 CrNi 13-4SwedenSS
1.4317SwitzerlandSNV
GX 4 CrNi 13-4SwitzerlandSNV
1.4317FinlandSFS
GX 4 CrNi 13-4FinlandSFS
1.4317PolandPN
GX 4 CrNi 13-4PolandPN
1.4317AustriaONORM
GX 4 CrNi 13-4AustriaONORM
1.4317NorwayNS
GX 4 CrNi 13-4NorwayNS
1.4317BelgiumNBN
GX 4 CrNi 13-4BelgiumNBN
1.4317HungaryMSZ
GX 4 CrNi 13-4HungaryMSZ
1.4317Czech RepublicCSN
GX 4 CrNi 13-4Czech RepublicCSN
1.4317BulgariaBDS
GX 4 CrNi 13-4BulgariaBDS
1.4317United KingdomB.S.
GX 4 CrNi 13-4United KingdomB.S.
GX 4 CrNi 13-4FranceAFNOR NF
GX 3 CrNi 13 4FranceAFNOR NF
GX 4 CrNi 13-4GermanyDIN
1.4317GermanyDIN