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Japan JIS E550E 焊接结构用高屈服强度钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: E550E / E 550 E
Category Grade Standard Region/Area Standard Content
Metals E 550 E JIS G3128 Japan 焊接结构用高屈服强度钢板

Chemical composition(mass fraction)(wt.%) of the E 550 E

Element Min Max Similar
Zr - 0.1500 -
V - 0.1000 -
Ti - 0.2000 -
Si 0.1000 0.8000 -
S - 0.0350 -
P - 0.0350 -
Ni - 2.0000 -
Nb - 0.0600 -
N - 0.0200 -
Mo - 1.0000 -
Mn - 1.7000 -
Cu - 1.5000 -
Cr - 2.0000 -
C - 0.2000 -
B - 0.0500 -

Mechanical Properties of steel grade E 550 E

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)
399 (≥) 732 (≥) 32 11 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade E 550 E

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
32 - -     0.23 -  
388 375 - 32.3 232   -  
559 - 43 21.2   233 232

Heat Treatment of steel grade E 550 E

Heat treated : 1746°C - 1368°C

Technological Curves of steel grade E 550 E

Cross Reference Table (Equivalent Grade) of E 550 E

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