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21MoMnCr12z

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OPM 22MnCr12z
#21MoMnCr12z

Description

Romania STAS/SR 21MoMnCr12z Structural steel and 21MoMnCr12z Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 21MoMnCr12z
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 21MoMnCr12z STAS/SR Romania Structural steel
OLT35
OI.T45
OLT65
10CrMOL0
10MoCr50
14CrMo4
16Mo3
OLT35K
OI.T45K
OPM

Chemical composition(mass fraction)(wt.%) of the 21MoMnCr12z

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) V(%)
0.18-0.24 0.17-0.37 0.80-1.20 0.025 0.020 1.00-1.40 0.30 0.20-0.30 0.020-0.060

Mechanical Properties of steel grade 21MoMnCr12z

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)
933 (≥) 221 (≥) 41 13 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade 21MoMnCr12z

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
42 - -     0.12 -  
357 884 - 12.3 333   -  
878 - 22 42.2   212 243

Heat Treatment of steel grade 21MoMnCr12z

Heat treated : 1659°C - 1274°C

Technological Curves of steel grade 21MoMnCr12z

Cross Reference Table (Equivalent Grade) of 21MoMnCr12z

Grade Standard Country Application
21MoMnCr12z STAS/SR Romania Structural steel
OPM 22MnCr12z
Available Suppliers
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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