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3Cr18Mn12Si2N

Favorite Datasheet
0Cr15Ni25Ti2MoA1VB 2Cr20Mn9Ni2Si2N
#0Cr18Ni9

Description

China GB GB/T 1221 (1992) , 3Cr18Mn12Si2N Specialsteel Heat-resisting steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 3Cr18Mn12Si2N
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 3Cr18Mn12Si2N Austenite GB China Heat-resisting steel bars

Chemical composition(mass fraction)(wt.%) of the 3Cr18Mn12Si2N

C Si Mn P S Cr N
0.22 -0.30 1.40 -2.20 10.50 -12.50 ≤0.35 ≤0.03 17.00 -19.00 0.22 -0.33

Mechanical Properties of steel grade 3Cr18Mn12Si2N

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)
142 (≥) 264 (≥) 43 44 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade 3Cr18Mn12Si2N

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
33 - -     0.43 -  
534 319 - 33.3 432   -  
859 - 21 41.2   421 234

Heat Treatment of steel grade 3Cr18Mn12Si2N

Heat treated : 1138°C - 1721°C

Technological Curves of steel grade 3Cr18Mn12Si2N

Cross Reference Table (Equivalent Grade) of 3Cr18Mn12Si2N

Grade Standard Country Application
0Cr18Ni9

Relevant standard of 3Cr18Mn12Si2N

GB/T 1221 (1992) Heat-resisting steel bars GB-T-1221--(1992)--.pdf
0Cr15Ni25Ti2MoA1VB 2Cr20Mn9Ni2Si2N
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Jiangyou Longhai Special Steel Co.,Ltd.

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