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China YB Q265GNH 结构用耐候焊接钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Q265GNH / Q265GNH
Category Grade Standard Region/Area Standard Content
Metals Q265GNH YB/T 4112 China 结构用耐候焊接钢管

Chemical composition(mass fraction)(wt.%) of the Q265GNH

Element Min Max Similar
Zr - 0.1500 -
Mo - 0.3000 -
Ni 0.2500 0.5000 -
Cr 0.3000 0.6500 -
Cu 0.2000 0.4500 -
S - 0.0200 -
P 0.0700 0.1200 -
Mn 0.2000 0.5000 -
Si 0.1000 0.4000 -
C - 0.1200 -
Ni 0.2500 0.5000 -
Cr 0.3000 0.6500 -
Cu 0.2000 0.4500 -
S - 0.0200 -
P 0.0700 0.1200 -
Mn 0.2000 0.5000 -
Si 0.1000 0.4000 -
C - 0.1200 -
Ni 0.2500 0.5000 -
Cr 0.3000 0.6500 -
Cu 0.2000 0.4500 -
S - 0.0200 -
P 0.0700 0.1200 -
Mn 0.2000 0.5000 -
Si 0.1000 0.4000 -
C - 0.1200 -
Ni 0.2500 0.5000 -
Cr 0.3000 0.6500 -
Cu 0.2000 0.4500 -
S - 0.0200 -
P 0.0700 0.1200 -
Mn 0.2000 0.5000 -
Si 0.1000 0.4000 -
C - 0.1200 -

Mechanical Properties of steel grade Q265GNH

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)
916 (≥) 912 (≥) 44 12 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade Q265GNH

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 -  
551 461 - 41.3 311   -  
396 - 14 12.2   423 221

Heat Treatment of steel grade Q265GNH

Heat treated : 1919°C - 1555°C

Technological Curves of steel grade Q265GNH

Cross Reference Table (Equivalent Grade) of Q265GNH

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