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Description

China CNS SUH3 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: SUH3
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SUH3 Martensite CNS China CNS standard heat resistant steel bar steel grade and chemical composition

Chemical composition(mass fraction)(wt.%) of the SUH3

C Si Mn P S Cr Ni Mo N
0.35 -0.45 1.80 -2.50 ≤0.60 ≤0.030 ≤0.030 10.00 -12.00 ≤0.60 0.70 -1.30 ≤ ≥

Mechanical Properties of steel grade SUH3

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)
493 (≥) 645 (≥) 43 24 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade SUH3

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
11 - -     0.32 -  
943 376 - 13.3 313   -  
737 - 21 42.2   432 243

Heat Treatment of steel grade SUH3

Heat treated : 1529°C - 1833°C

Technological Curves of steel grade SUH3

Cross Reference Table (Equivalent Grade) of SUH3


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