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Description

China GBT Q295NH China structural steel and alloy steel and Q295NH Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: Q295NH
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel Q295NH GBT China China structural steel and alloy steel
Q460
Q500
Q500
Q550
Q550
Q620
Q620
Q690
Q690
Q235NH

Chemical composition(mass fraction)(wt.%) of the Q295NH

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Cu(%)
Max 0.15 0.15-0.50 0.60-1.00 0.035 0.035 0.40-0.80 0.20-0.50

Mechanical Properties of steel grade Q295NH

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)
195 (≥) 643 (≥) 33 14 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade Q295NH

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
33 - -     0.24 -  
629 794 - 41.3 244   -  
867 - 12 14.2   342 411

Heat Treatment of steel grade Q295NH

Heat treated : 1416°C - 1243°C

Technological Curves of steel grade Q295NH

Cross Reference Table (Equivalent Grade) of Q295NH

Grade Standard Country Application
Q295NH GBT China China structural steel and alloy steel

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