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31VMn12

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20VMn12 33MoCr11
#31VMn12

Description

Romania STAS/SR 31VMn12 Structural steel and 31VMn12 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 31VMn12
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 31VMn12 STAS/SR Romania Structural steel
OLT65
10Ni35
OLT35R
OLT45R
C-75
J-55
N-80
P-105
15VMn11
20VMn12

Chemical composition(mass fraction)(wt.%) of the 31VMn12

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) V(%) Cu(%)
0.28-0.34 0.17-0.37 1.10-1.40 0.035 0.035 0.30 0.30 0.06 0.10-0.20 0.30

Mechanical Properties of steel grade 31VMn12

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)
722 (≥) 623 (≥) 41 22 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade 31VMn12

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
31 - -     0.13 -  
886 946 - 41.3 214   -  
464 - 41 41.2   234 431

Heat Treatment of steel grade 31VMn12

Heat treated : 1341°C - 1652°C

Technological Curves of steel grade 31VMn12

Cross Reference Table (Equivalent Grade) of 31VMn12

Grade Standard Country Application
31VMn12 STAS/SR Romania Structural steel
20VMn12 33MoCr11
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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