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Description

China CNS SUH661 Specialsteel CNS standard heat resistant steel plate of the steel grade and chemical composition and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SUH661
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SUH661 Austenite CNS China CNS standard heat resistant steel plate of the steel grade and chemical composition

Chemical composition(mass fraction)(wt.%) of the SUH661

C Si Mn P S Cr Ni Mo Co W Nb N
0.08 -0.16 ≤1.00 1.00 -2.00 ≤0.040 ≤0.030 20.00 -22.50 19.00 -21.00 2.50 -3.50 18.50 -21.00 2.00 -3.00 0.75 -1.25 0.10 -0.20

Mechanical Properties of steel grade SUH661

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)
116 (≥) 175 (≥) 33 42 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical Properties of steel grade SUH661

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
23 - -     0.32 -  
962 441 - 24.3 223   -  
438 - 32 24.2   114 131

Heat Treatment of steel grade SUH661

Heat treated : 1728°C - 1913°C

Technological Curves of steel grade SUH661

Cross Reference Table (Equivalent Grade) of SUH661

Grade Standard Country Application
SUH661
SUH661

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