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Q355NH

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Q295NH Q460NH
#Q355NH

Description

China GBT Q355NH China structural steel and alloy steel and Q355NH Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: Q355NH
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel Q355NH GBT China China structural steel and alloy steel
Q500
Q500
Q550
Q550
Q620
Q620
Q690
Q690
Q235NH
Q295NH

Chemical composition(mass fraction)(wt.%) of the Q355NH

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) V(%) Cu(%)
Max 0.16 Max 0.50 0.90-1.50 0.035 0.035 0.40-0.80 0.02-0.10 0.20-0.50

Mechanical Properties of steel grade Q355NH

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)
644 (≥) 259 (≥) 14 11 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade Q355NH

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 - -     0.23 -  
925 794 - 33.3 233   -  
665 - 33 44.2   114 421

Heat Treatment of steel grade Q355NH

Heat treated : 1922°C - 1977°C

Technological Curves of steel grade Q355NH

Cross Reference Table (Equivalent Grade) of Q355NH

Grade Standard Country Application
Q355NH GBT China China structural steel and alloy steel
Q295NH Q460NH
Available Suppliers
Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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