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20MnCr12S

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20MnCr12 20MnCr12X
#20MnCr12S

Description

Romania STAS/SR 20MnCr12S Alloy structural steel and 20MnCr12S Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 20MnCr12S
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 20MnCr12S STAS/SR Romania Alloy structural steel
18CrNi20XS
18MnCr11
18MnCr11S
18MnCr11X
18MnCr11XS
19MoCr11
!9MoCr11S
19MoCr11X
19MoCr11XS
20MnCr12

Chemical composition(mass fraction)(wt.%) of the 20MnCr12S

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Cu(%) Ti(%)
0.17-0.22 0.17-0.37 1.10-1.40 3.035 Min .020-0.040 1.00- 1.30 0.30 0.15 3.3 0.02

Mechanical Properties of steel grade 20MnCr12S

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)
851 (≥) 166 (≥) 41 14 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

Physical Properties of steel grade 20MnCr12S

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
34 - -     0.22 -  
812 927 - 21.3 112   -  
288 - 21 41.2   124 213

Heat Treatment of steel grade 20MnCr12S

Heat treated : 1557°C - 1947°C

Technological Curves of steel grade 20MnCr12S

Cross Reference Table (Equivalent Grade) of 20MnCr12S

Grade Standard Country Application
20MnCr12S STAS/SR Romania Alloy structural steel
20MnCr12 20MnCr12X
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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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