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Austenitic 661

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Austenitic 660 Ferrite 46
#Austenitic-661

Description

China CNS Austenitic 661 CNS standard heat resistant steel bars(CNS 9608-1998) and Austenitic 661 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: Austenitic 661
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy Austenitic 661 CNS China CNS standard heat resistant steel bars(CNS 9608-1998)
CNS 316-TPD
Austenitic 31
Austenitic 35
Austenitic 36
Austenitic 37
Austenitic 38
Austenitic 309
Austenitic 310
Austenitic 330
Austenitic 660

Chemical composition(mass fraction)(wt.%) of the Austenitic 661

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) W(%) Co(%) Nb(%)
Max 0.15 Max 1.00 Max 2.00 Max 0.20 Max 0.15 17.0-19.0 8.00-10.0 Max 0.60 2.00-3.00 18.5-21.0 0.75-1.25

Mechanical Properties of steel grade Austenitic 661

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)
523 (≥) 197 (≥) 34 24 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade Austenitic 661

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
12 - -     0.34 -  
241 545 - 21.3 413   -  
811 - 31 22.2   244 122

Heat Treatment of steel grade Austenitic 661

Heat treated : 1391°C - 1496°C

Technological Curves of steel grade Austenitic 661

Cross Reference Table (Equivalent Grade) of Austenitic 661

Grade Standard Country Application
Austenitic 661 CNS China CNS standard heat resistant steel bars(CNS 9608-1998)
Austenitic 660 Ferrite 46
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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