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Q500qNH E

China GB Q500qNHE 桥梁用结构钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Q500qNHE / Q500qNH E
Category Grade Standard Region/Area Standard Content
Metals Q500qNH E GB/T 714 China 桥梁用结构钢

Chemical composition(mass fraction)(wt.%) of the Q500qNH E

Element Min Max Similar
Pcm - 0.2500 -
CEV - - -
CEV - 0.5500 -
CEV - 0.5000 -
H - 0.0002 -
B - 0.0005 -
S - 0.0150 -
P - 0.0200 -
Nb+V+Ti - 0.2200 -
Al 0.0150 0.0500 -
N - 0.0080 -
Mo - 0.2500 -
Cu 0.2500 0.5500 -
Ni 0.3000 0.4500 -
Cr 0.4500 0.7000 -
Ti 0.0060 0.0300 -
V 0.0100 0.1000 -
Nb 0.0100 0.1000 -
Mn 1.1000 1.5000 -
Si 0.1500 0.5000 -
C - 0.1100 -

Mechanical Properties of steel grade Q500qNH 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)
556 (≥) 232 (≥) 42 44 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade Q500qNH 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
31 - -     0.41 -  
857 531 - 23.3 443   -  
134 - 21 31.2   142 441

Heat Treatment of steel grade Q500qNH E

Heat treated : 1151°C - 1313°C

Technological Curves of steel grade Q500qNH E

Cross Reference Table (Equivalent Grade) of Q500qNH E

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