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34MoCrl Iq

Description

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

Datasheet for: Steel Grades:Structure Steel: 34MoCrl Iq
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 34MoCrl Iq STAS/SR Romania Alloy structural steel
51VMnCr11
51 VMnCr11S
51VMnCr11X
51VMnCr11XS
17MoCrNi14q
19BMn10q
20BCrMn13q
20MnB5q
20BMn13q
30MoCrNi20q

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

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) Cu(%)
0.30-0.37 0.17-0.37 0.60-0.90 0.035 0.035 0.90-1.20 0.3 0.15- 0.30 0.3

Mechanical Properties of steel grade 34MoCrl Iq

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)
729 (≥) 375 (≥) 24 23 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade 34MoCrl Iq

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
12 - -     0.14 -  
747 862 - 42.3 213   -  
645 - 44 32.2   113 442

Heat Treatment of steel grade 34MoCrl Iq

Heat treated : 1625°C - 1211°C

Technological Curves of steel grade 34MoCrl Iq

Cross Reference Table (Equivalent Grade) of 34MoCrl Iq

Grade Standard Country Application
34MoCrl Iq STAS/SR Romania Alloy structural steel
36BCrMnl Iq STAS/SR Romania Alloy structural steel

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