Czech Republic · CSN

G18NiMoCr3-6

CSN EN 10340 — Steel castings for structural uses

Chemical composition

wt% · log scale
0.0010.010.1110C0.17 – 0.22Cr0.4 – 0.9Cu0.3Mn0.8 – 1.2Mo0.4 – 0.7Ni0.6 – 1P0.02S0.015Si0.6V0.05
  • min – max range
  • typical value

Mechanical properties

value range by condition
Yield strength Rp0.2≥700 MPaTensile strength Rm830–980 MPaImpact energy Kv/Ku≥27 JElongation A≥12 %castings, quenched and tempered , <= 80 mmYield strength Rp0.2≥630 MPaTensile strength Rm780–930 MPaImpact energy Kv/Ku≥27 JElongation A≥12 %castings, quenched and tempered , <= 150 mm

Chemical composition

ElementminmaxSimilarRemarks
C0.170.22
Cr0.40.9
Cu0.3
Mn0.81.2
Mo0.40.7
Ni0.61
P0.02
S0.015
Si0.6
V0.05

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
castings, quenched and tempered , <= 80 mm≥700830–980≥12≥27 KV (-40ºC)
castings, quenched and tempered , <= 150 mm≥630780–930≥12≥27 KV (-40ºC)