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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)
241 (≥) 812 (≥) 42 34 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

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
24 - -     0.13 -  
561 753 - 23.3 211   -  
569 - 42 33.2   342 214

Heat Treatment of steel grade 2Cr20Mn9Ni2Si2N

Heat treated : 1333°C - 1264°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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