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Description

China CNS SUH309 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: SUH309
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SUH309 Austenite CNS China CNS standard heat resistant steel plate of the steel grade and chemical composition

Chemical composition(mass fraction)(wt.%) of the SUH309

C Si Mn P S Cr Ni Mo
≤0.20 ≤1.00 ≤2.00 ≤0.040 ≤0.030 22.00 -24.00 12.00 -15.00 ≤ ≥

Mechanical Properties of steel grade SUH309

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)
834 (≥) 982 (≥) 22 24 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade SUH309

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
14 - -     0.14 -  
558 749 - 13.3 143   -  
889 - 22 44.2   314 111

Heat Treatment of steel grade SUH309

Heat treated : 1569°C - 1351°C

Technological Curves of steel grade SUH309

Cross Reference Table (Equivalent Grade) of SUH309

Grade Standard Country Application
SUH309
SUH309

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