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Austenitic 660

Description

China CNS Austenitic 660 CNS standard heat resistant steel bars(CNS 9608-1998) and Austenitic 660 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: Austenitic 660
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy Austenitic 660 CNS China CNS standard heat resistant steel bars(CNS 9608-1998)
CNS 304-TPD
CNS 316-TPD
Austenitic 31
Austenitic 35
Austenitic 36
Austenitic 37
Austenitic 38
Austenitic 309
Austenitic 310
Austenitic 330

Chemical composition(mass fraction)(wt.%) of the Austenitic 660

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) V(%) B(%) Al(%) Ti(%)
Max 0.08 Max 1.00 Max 2.00 Max 0.040 Max 0.030 13.0-16.0 24.0-27.0 1.00-1.50 0.10-0.50 0.001-0.010 Max 0.35 1.90-2.35

Mechanical Properties of steel grade Austenitic 660

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)
191 (≥) 456 (≥) 44 43 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade Austenitic 660

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
32 - -     0.11 -  
439 442 - 11.3 313   -  
511 - 21 24.2   323 413

Heat Treatment of steel grade Austenitic 660

Heat treated : 1695°C - 1987°C

Technological Curves of steel grade Austenitic 660

Cross Reference Table (Equivalent Grade) of Austenitic 660

Grade Standard Country Application
Austenitic 660 CNS China CNS standard heat resistant steel bars(CNS 9608-1998)

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