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4Cr10Si2Mo

Favorite Datasheet
4Cr9Si2 8Cr20Si2Ni
#4Cr10Si2Mo

Description

China GB GB/T 1221 (1992) , GB/T 12773 (1991) , 4Cr10Si2Mo Specialsteel Heat-resisting steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 4Cr10Si2Mo
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 4Cr10Si2Mo Martensite GB China Heat-resisting steel bars

Chemical composition(mass fraction)(wt.%) of the 4Cr10Si2Mo

C Si Mn P S Cr Mo
0.35 -0.45 1.90 -2.60 ≤0.70 ≤0.035 ≤0.60 9.00 -10.50 0.70 -0.90

Mechanical Properties of steel grade 4Cr10Si2Mo

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 (≥) 674 (≥) 22 44 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade 4Cr10Si2Mo

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
14 - -     0.22 -  
459 763 - 31.3 311   -  
771 - 33 34.2   342 142

Heat Treatment of steel grade 4Cr10Si2Mo

Heat treated : 1947°C - 1127°C

Technological Curves of steel grade 4Cr10Si2Mo

Relevant standard of 4Cr10Si2Mo

GB/T 1221 (1992) Heat-resisting steel bars GB-T-1221--(1992)-.pdf
GB/T 12773 (1991) Valve steel bars for internal combustion engines - Technical requirements GB-T-12773--(1991)-.pdf
4Cr9Si2 8Cr20Si2Ni
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Jiangyou Longhai Special Steel Co.,Ltd.

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