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2Cr20Mn9Ni2Si2N

Favorite Datasheet
3Cr18Mn12Si2N 1Cr20Ni14Si2
#2Cr20Mn9Ni2Si2N

Description

China GB GB/T 1221 (1992), 2Cr20Mn9Ni2Si2N Specialsteel Heat-resisting steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 2Cr20Mn9Ni2Si2N
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 2Cr20Mn9Ni2Si2N Austenite GB China Heat-resisting steel bars

Chemical composition(mass fraction)(wt.%) of the 2Cr20Mn9Ni2Si2N

C Si Mn P S Ni Cr N
0.17 -0.26 1.80 -2.70 8.50 -11.00 ≤0.35 ≤0.03 2.00 -3.00 18.00 -21.00 0.20 -0.30

Mechanical Properties of steel grade 2Cr20Mn9Ni2Si2N

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)
391 (≥) 238 (≥) 34 24 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade 2Cr20Mn9Ni2Si2N

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
13 - -     0.42 -  
282 216 - 32.3 131   -  
491 - 43 12.2   331 142

Heat Treatment of steel grade 2Cr20Mn9Ni2Si2N

Heat treated : 1921°C - 1258°C

Technological Curves of steel grade 2Cr20Mn9Ni2Si2N

Relevant standard of 2Cr20Mn9Ni2Si2N

GB/T 1221 (1992) Heat-resisting steel bars GB-T-1221--(1992).pdf
3Cr18Mn12Si2N 1Cr20Ni14Si2
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Jiangyou Longhai Special Steel Co.,Ltd.

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