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34 MoCrNi 40

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Romania STAS 34MoCrNi40 Steels for automobiles. Grades and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 34MoCrNi40 / 34 MoCrNi 40
Category Grade Standard Region/Area Standard Content
Metals 34 MoCrNi 40 STAS 11500-2 Romania Steels for automobiles. Grades

Chemical composition(mass fraction)(wt.%) of the 34 MoCrNi 40

Element Min Max Similar
Si 0.1500 0.4000 -
S - 0.0250 -
P - 0.0300 -
Ni 3.7000 4.2000 -
Mo 0.3000 0.5000 -
Mn 0.3000 0.6000 -
Cr 1.6000 2.0000 -
C 0.3000 0.3700 -

Mechanical Properties of steel grade 34 MoCrNi 40

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)
119 (≥) 264 (≥) 34 41 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade 34 MoCrNi 40

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
24 - -     0.33 -  
192 584 - 34.3 341   -  
157 - 14 13.2   131 323

Heat Treatment of steel grade 34 MoCrNi 40

Heat treated : 1952°C - 1114°C

Technological Curves of steel grade 34 MoCrNi 40

Cross Reference Table (Equivalent Grade) of 34 MoCrNi 40

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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