Russia · GOST

12H2NMFA

GOST 11268:1976 — GOST 11268

Chemical composition

wt% · log scale
0.010.1110C0.09 – 0.16Cr1.9 – 2.4Cu0.25Mn0.3 – 0.7Mo0.35 – 0.45Ni0.8 – 1.2P0.025S0.025Si0.17 – 0.37Ti0.03V0.18 – 0.28W0.2
  • min – max range
  • typical value

Mechanical properties

value range by condition
Tensile strength Rm490–740 MPaElongation A≥15 %sheet, normalizedTensile strength Rm≥1030 MPaElongation A≥10 %sheet, quenched and tempered

Chemical composition

ElementminmaxSimilarRemarks
C0.090.16
Cr1.92.4
Cu0.25Upon purchaser request %Cu= max 0.20Upon purchaser request %Cu= max 0.20
Mn0.30.7
Mo0.350.45
Ni0.81.2
P0.025
S0.025
Si0.170.37
Ti0.03
V0.180.28
W0.2

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
sheet, normalized490–740≥15 Lo = 5 mm; A=min 11.0% in Lo =10 mm
sheet, quenched and tempered≥1030≥10 Lo = 5 mm