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Austenitic 38

Description

China CNS Austenitic 38 CNS standard heat resistant steel bars(CNS 9608-1998) and Austenitic 38 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: Austenitic 38
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy Austenitic 38 CNS China CNS standard heat resistant steel bars(CNS 9608-1998)
CNS 304-CPS
CNS 420J2-CPS
CNS 631-CPS
CNS 632J1-CPS
CNS 304-TPD
CNS 316-TPD
Austenitic 31
Austenitic 35
Austenitic 36
Austenitic 37

Chemical composition(mass fraction)(wt.%) of the Austenitic 38

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) B(%)
0.25-0.35 Max 1.00 Max 1.20 0.18-0.25 Max 0.030 19.0-21.0 10.0-12.0 1.80-2.50 0.001-0.010

Mechanical Properties of steel grade Austenitic 38

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)
117 (≥) 327 (≥) 44 42 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical Properties of steel grade Austenitic 38

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 - -     0.11 -  
929 639 - 11.3 111   -  
422 - 32 14.2   233 241

Heat Treatment of steel grade Austenitic 38

Heat treated : 1588°C - 1199°C

Technological Curves of steel grade Austenitic 38

Cross Reference Table (Equivalent Grade) of Austenitic 38

Grade Standard Country Application
Austenitic 38 CNS China CNS standard heat resistant steel bars(CNS 9608-1998)

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