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Description

China CNS SUH446 Specialsteel CNS standard heat resistant steel bar steel grade and chemical composition and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SUH446
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SUH446 Ferrite CNS China CNS standard heat resistant steel bar steel grade and chemical composition

Chemical composition(mass fraction)(wt.%) of the SUH446

C Si Mn P S Cr Ni Mo N Cu
≤0.20 ≤1.00 ≤1.50 ≤0.040 ≤0.030 23.00 -27.00 ≤0.60 ≤ ≥ ≤0.25 ≤0.30

Mechanical Properties of steel grade SUH446

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)
187 (≥) 896 (≥) 33 23 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade SUH446

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
33 - -     0.41 -  
339 879 - 14.3 443   -  
359 - 13 31.2   244 123

Heat Treatment of steel grade SUH446

Heat treated : 1578°C - 1717°C

Technological Curves of steel grade SUH446

Cross Reference Table (Equivalent Grade) of SUH446

Grade Standard Country Application
SUH446
SUH446

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