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Description

Korea KS D 3731 (2002), STR36 Specialsteel Heat - resisting steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: STR36
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel STR36 Austenite KS Korea Heat - resisting steel bars

Chemical composition(mass fraction)(wt.%) of the STR36

C Si Mn P S Cr Ni Mo N
0.48 -0.58 ≤0.35 8.00 -10.00 ≤0.040 0.04 -0.09 20.00 -22.00 3.25 -4.50 ≤ ≥ 0.35 -0.50

Mechanical Properties of steel grade STR36

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)
942 (≥) 386 (≥) 24 23 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade STR36

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 - -     0.44 -  
666 934 - 34.3 323   -  
486 - 43 41.2   114 234

Heat Treatment of steel grade STR36

Heat treated : 1347°C - 1387°C

Technological Curves of steel grade STR36

Relevant standard of STR36

D 3731 (2002) Heat - resisting steel bars D-3731-(2002).pdf

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