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Q460qNH F

China GB Q460qNHF 桥梁用结构钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Q460qNHF / Q460qNH F
Category Grade Standard Region/Area Standard Content
Metals Q460qNH F GB/T 714 China 桥梁用结构钢

Chemical composition(mass fraction)(wt.%) of the Q460qNH F

Element Min Max Similar
Pcm - 0.2300 -
H - 0.0002 -
B - 0.0005 -
S - 0.0150 -
P - 0.0150 -
Nb+V+Ti - 0.2200 -
Al 0.0150 0.0500 -
N - 0.0080 -
Mo - 0.2000 -
Cu 0.2500 0.5000 -
Ni 0.3000 0.4000 -
Cr 0.4000 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 Q460qNH F

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)
364 (≥) 146 (≥) 23 32 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade Q460qNH F

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
21 - -     0.34 -  
278 992 - 41.3 233   -  
792 - 33 43.2   133 323

Heat Treatment of steel grade Q460qNH F

Heat treated : 1894°C - 1961°C

Technological Curves of steel grade Q460qNH F

Cross Reference Table (Equivalent Grade) of Q460qNH F

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