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Description

Romania STAS/SR 30MoCr11 Alloy structural steel and 30MoCr11 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 30MoCr11
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 30MoCr11 STAS/SR Romania Alloy structural steel
21TiMnCr12q
34MoCrNi15q
40BCr10q
40Cr10q
41MoCr11q
18MoNiCrl7
19CrNi10
13MoCr11
17MoCr11
28MoCr11

Chemical composition(mass fraction)(wt.%) of the 30MoCr11

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) Cu(%)
0.27-0.34 0.15-0.40 0.60-0.85 0.025 0.020-0.035 0.95-1.20 0.3 0.20-0.30 0.3

Mechanical Properties of steel grade 30MoCr11

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)
679 (≥) 547 (≥) 24 33 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade 30MoCr11

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
44 - -     0.23 -  
943 939 - 11.3 411   -  
999 - 22 22.2   414 314

Heat Treatment of steel grade 30MoCr11

Heat treated : 1744°C - 1973°C

Technological Curves of steel grade 30MoCr11

Cross Reference Table (Equivalent Grade) of 30MoCr11

Grade Standard Country Application
30MoCr11 STAS/SR Romania Alloy structural steel

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