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Q390B-Z15

China 舞钢Q/WTB Q390B-Z15 供大连保税区舞钢贸易有限公司厚度>150-220mm钢板技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Q390B-Z15 / Q390B-Z15
Category Grade Standard Region/Area Standard Content
Metals Q390B-Z15 WJX 022 China 供大连保税区舞钢贸易有限公司厚度>150-220mm钢板技术条件

Chemical composition(mass fraction)(wt.%) of the Q390B-Z15

Element Min Max Similar
Mo - 0.1000 -
N - 0.0150 -
Cu - 0.3000 -
Ni - 0.5000 -
Cr - 0.3000 -
Ti - 0.2000 -
V - 0.2000 -
Nb - 0.0700 -
S - 0.0350 -
P - 0.0350 -
Mn - 1.7000 -
Si - 0.5000 -
C - 0.2000 -

Mechanical Properties of steel grade Q390B-Z15

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)
973 (≥) 262 (≥) 32 13 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade Q390B-Z15

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 - -     0.34 -  
235 524 - 13.3 223   -  
654 - 33 34.2   434 314

Heat Treatment of steel grade Q390B-Z15

Heat treated : 1523°C - 1119°C

Technological Curves of steel grade Q390B-Z15

Cross Reference Table (Equivalent Grade) of Q390B-Z15

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