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21MoMnCr12S

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21MoMnCr12 21MoMnCr12X
#21MoMnCr12S

Description

Romania STAS/SR 21MoMnCr12S Alloy structural steel and 21MoMnCr12S Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 21MoMnCr12S
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 21MoMnCr12S STAS/SR Romania Alloy structural steel
20MnCrSi11XS
20MoNi35
20MoNi35S
20MoNi35X
20MoNi35XS
20TiMnCr12
20TiMnCr12S
20TiMnCrI2X
20TiMnCr12XS
21MoMnCr12

Chemical composition(mass fraction)(wt.%) of the 21MoMnCr12S

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Cu(%) Ti(%)
0.18-0.24 0.17-0.37 0.80- 1.20 0.035 0.020-0.040 1.00- 1.40 0.3 0.20-0.30 0.3 0.02

Mechanical Properties of steel grade 21MoMnCr12S

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)
433 (≥) 423 (≥) 23 31 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade 21MoMnCr12S

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
11 - -     0.43 -  
326 667 - 44.3 241   -  
927 - 44 23.2   443 331

Heat Treatment of steel grade 21MoMnCr12S

Heat treated : 1637°C - 1543°C

Technological Curves of steel grade 21MoMnCr12S

Cross Reference Table (Equivalent Grade) of 21MoMnCr12S

Grade Standard Country Application
21MoMnCr12S STAS/SR Romania Alloy structural steel
21MoMnCr12 21MoMnCr12X
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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