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Description

Korea KS D 3731 (2002), D 3732 (2002), STR330 Specialsteel Heat - resisting steel plates and sheets and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: STR330
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel STR330 Austenite KS Korea Heat - resisting steel plates and sheets

Chemical composition(mass fraction)(wt.%) of the STR330

C Si Mn P S Cr Ni Mo N
≤0.15 ≤1.50 ≤2.00 ≤0.040 ≤0.030 14.00 -17.00 33.00 -37.00 ≤ ≥ ≤ ≥

Mechanical Properties of steel grade STR330

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)
811 (≥) 458 (≥) 33 41 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade STR330

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
12 - -     0.14 -  
363 157 - 43.3 332   -  
596 - 34 41.2   422 442

Heat Treatment of steel grade STR330

Heat treated : 1643°C - 1316°C

Technological Curves of steel grade STR330

Relevant standard of STR330

D 3731 (2002) Heat - resisting steel bars D-3731-(2002).pdf
D 3732 (2002) Heat - resisting steel plates and sheets D-3732-(2002).pdf

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