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Japan JIS SB450M 锅炉及压力容器用碳素钢和钼合金钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SB450M / SB 450 M
Category Grade Standard Region/Area Standard Content
Metals SB 450 M JIS G3103 Japan 锅炉及压力容器用碳素钢和钼合金钢板

Chemical composition(mass fraction)(wt.%) of the SB 450 M

Element Min Max Similar
V - 0.0300 -
Ti - 0.0300 -
Si 0.1500 0.4000 -
S - 0.0200 -
P - 0.0200 -
Ni - 0.4000 -
Nb - 0.0200 -
Mo 0.4500 0.6000 -
Mn - 0.9000 -
Cu - 0.4000 -
Cr - 0.3000 -
C - 0.1800 -
B - 0.0010 -

Mechanical Properties of steel grade SB 450 M

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)
356 (≥) 226 (≥) 34 42 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade SB 450 M

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 - -     0.11 -  
288 781 - 32.3 224   -  
569 - 23 14.2   421 411

Heat Treatment of steel grade SB 450 M

Heat treated : 1564°C - 1734°C

Technological Curves of steel grade SB 450 M

Cross Reference Table (Equivalent Grade) of SB 450 M

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