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33 MoCr 11 CS

Romania STAS 33MoCr11CS Flame and induction hardening steels. Grades and technical requirements for quality and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 33MoCr11CS / 33 MoCr 11 CS
Category Grade Standard Region/Area Standard Content
Metals 33 MoCr 11 CS STAS 10677 Romania Flame and induction hardening steels. Grades and technical requirements for quality

Chemical composition(mass fraction)(wt.%) of the 33 MoCr 11 CS

Element Min Max Similar
Ti - 0.0200 -
Si 0.1700 0.3700 -
S - 0.0250 -
P - 0.0250 -
Ni - 0.3000 -
Mo 0.1500 0.3000 -
Mn 0.4000 0.8000 -
Cu - 0.3000 -
Cr 0.9000 1.2000 -
C 0.3000 0.3600 -
As - 0.0500 -

Mechanical Properties of steel grade 33 MoCr 11 CS

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
132 (≥) 253 (≥) 14 23 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical Properties of steel grade 33 MoCr 11 CS

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
32 - -     0.14 -  
913 729 - 33.3 334   -  
936 - 32 43.2   321 142

Heat Treatment of steel grade 33 MoCr 11 CS

Heat treated : 1949°C - 1791°C

Technological Curves of steel grade 33 MoCr 11 CS

Cross Reference Table (Equivalent Grade) of 33 MoCr 11 CS

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