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34 MoCr 11 AT

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Romania STAS 34MoCr11AT Steels for motor vehicles and tractors. Grades and general technical requirements for quality and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 34MoCr11AT / 34 MoCr 11 AT
Category Grade Standard Region/Area Standard Content
Metals 34 MoCr 11 AT STAS 8580 Romania Steels for motor vehicles and tractors. Grades and general technical requirements for quality

Chemical composition(mass fraction)(wt.%) of the 34 MoCr 11 AT

Element Min Max Similar
Si 0.1700 0.3700 -
S - 0.0250 -
P - 0.0250 -
Ni - 0.3000 -
Mo 0.1500 0.3000 -
Mn 0.6000 0.9000 -
Cu - 0.3000 -
Cr 0.9000 1.2000 -
C 0.3000 0.3700 -
As - 0.0500 -

Mechanical Properties of steel grade 34 MoCr 11 AT

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)
285 (≥) 747 (≥) 41 43 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade 34 MoCr 11 AT

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 - -     0.24 -  
916 214 - 22.3 244   -  
479 - 14 43.2   111 233

Heat Treatment of steel grade 34 MoCr 11 AT

Heat treated : 1899°C - 1534°C

Technological Curves of steel grade 34 MoCr 11 AT

Cross Reference Table (Equivalent Grade) of 34 MoCr 11 AT

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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