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FeE 550 V KG

EU EU FeE550VKG 焊接用热处理细晶粒结构钢薄钢板和宽板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: FeE550VKG / FeE 550 V KG
Category Grade Standard Region/Area Standard Content
Metals FeE 550 V KG EU 137 EU 焊接用热处理细晶粒结构钢薄钢板和宽板

Chemical composition(mass fraction)(wt.%) of the FeE 550 V KG

Element Min Max Similar
Zr - 0.1500 -
V - 0.2000 -
Ti - 0.2000 -
Si - 1.0000 -
S - 0.0250 -
P - 0.0250 -
Ni - 2.0000 -
Nb - 0.1000 -
N - 0.0200 -
Mo - 1.0000 -
Mn - 2.0000 -
Cu - 1.5000 -
Cr - 2.0000 -
C - 0.2000 -
B - 0.0050 -

Mechanical Properties of steel grade FeE 550 V KG

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)
843 (≥) 121 (≥) 33 23 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade FeE 550 V KG

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
44 - -     0.34 -  
248 565 - 21.3 412   -  
187 - 31 21.2   441 414

Heat Treatment of steel grade FeE 550 V KG

Heat treated : 1732°C - 1241°C

Technological Curves of steel grade FeE 550 V KG

Cross Reference Table (Equivalent Grade) of FeE 550 V KG

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