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34MoCr11X

Description

Romania STAS/SR 34MoCr11X Alloy structural steel and 34MoCr11X Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 34MoCr11X
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 34MoCr11X STAS/SR Romania Alloy structural steel
30MoCrNi20
30MoCrNi20S
30MoCrNi20X
30MoCrNi20XS
31MnCrSi11
31MnCrSi11S
31MnCrSi11X
31MnCrSi11XS
34MoCr11
34MoCr11S

Chemical composition(mass fraction)(wt.%) of the 34MoCr11X

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) Cu(%) Ti(%)
0.30-0.37 0.17-0.37 0.60-0.90 0.025 0.025 0.90-1.30 0.3 0.15-0.30 0.3 0.02

Mechanical Properties of steel grade 34MoCr11X

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)
431 (≥) 794 (≥) 13 23 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical Properties of steel grade 34MoCr11X

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
43 - -     0.21 -  
768 426 - 34.3 242   -  
729 - 32 24.2   333 412

Heat Treatment of steel grade 34MoCr11X

Heat treated : 1892°C - 1939°C

Technological Curves of steel grade 34MoCr11X

Cross Reference Table (Equivalent Grade) of 34MoCr11X

Grade Standard Country Application
34MoCr11X STAS/SR Romania Alloy structural steel
34MoCr11XS STAS/SR Romania Alloy structural steel

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