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Japan JIS SEV30 中温或适温高强度压力容器钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SEV30 / SEV 30
Category Grade Standard Region/Area Standard Content
Metals SEV 30 JIS G3124 Japan 中温或适温高强度压力容器钢板

Chemical composition(mass fraction)(wt.%) of the SEV 30

Element Min Max Similar
V - 0.1000 -
Si 0.1500 0.6000 -
S - 0.0350 -
P - 0.0350 -
Nb - 0.0500 -
Mo 0.1000 0.4000 -
Mn 0.8000 1.6000 -
Cu - 0.3500 -
CEV - - -
C - 0.1900 -

Mechanical Properties of steel grade SEV 30

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)
281 (≥) 319 (≥) 32 34 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade SEV 30

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
43 - -     0.33 -  
782 483 - 13.3 311   -  
697 - 23 42.2   431 122

Heat Treatment of steel grade SEV 30

Heat treated : 1296°C - 1227°C

Technological Curves of steel grade SEV 30

Cross Reference Table (Equivalent Grade) of SEV 30

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