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20MnCr12X

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20MnCr12S 20MnCr12XS
#20MnCr12X

Description

Romania STAS/SR 20MnCr12X Alloy structural steel and 20MnCr12X Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 20MnCr12X
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 20MnCr12X STAS/SR Romania Alloy structural steel
18MnCr11
18MnCr11S
18MnCr11X
18MnCr11XS
19MoCr11
!9MoCr11S
19MoCr11X
19MoCr11XS
20MnCr12
20MnCr12S

Chemical composition(mass fraction)(wt.%) of the 20MnCr12X

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Cu(%) Ti(%)
0.17-0.22 0.17-0.37 1.10-1.40 0.025 0.025 1.00- 1.30 0.30 0.15 0.30 0.02

Mechanical Properties of steel grade 20MnCr12X

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)
248 (≥) 725 (≥) 23 31 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade 20MnCr12X

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
41 - -     0.22 -  
619 221 - 32.3 231   -  
253 - 43 23.2   334 332

Heat Treatment of steel grade 20MnCr12X

Heat treated : 1784°C - 1788°C

Technological Curves of steel grade 20MnCr12X

Cross Reference Table (Equivalent Grade) of 20MnCr12X

Grade Standard Country Application
20MnCr12X STAS/SR Romania Alloy structural steel
20MnCr12XS STAS/SR Romania Alloy structural steel
20MnCr12S 20MnCr12XS
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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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