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Korea KS SBB450M 锅炉和其他压力容器用碳素钢和钼合金钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SBB450M / SBB450M
Category Grade Standard Region/Area Standard Content
Metals SBB450M KS D 3560 Korea 锅炉和其他压力容器用碳素钢和钼合金钢板

Chemical composition(mass fraction)(wt.%) of the SBB450M

Element Min Max Similar
Mo 0.4500 0.6000 -
P - 0.0350 -
S - 0.0400 -
Mn - 0.9000 -
Si 0.1500 0.3000 -
C - 0.1800 -

Mechanical Properties of steel grade SBB450M

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)
194 (≥) 475 (≥) 34 34 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade SBB450M

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
23 - -     0.33 -  
773 834 - 12.3 221   -  
366 - 41 11.2   431 242

Heat Treatment of steel grade SBB450M

Heat treated : 1288°C - 1816°C

Technological Curves of steel grade SBB450M

Cross Reference Table (Equivalent Grade) of SBB450M

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