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China 鞍钢Q/ASB NGY440 液压成形用热连轧钢板和钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: NGY440 / NGY440
Category Grade Standard Region/Area Standard Content
Metals NGY440 Q/ASB 329 China 液压成形用热连轧钢板和钢带

Chemical composition(mass fraction)(wt.%) of the NGY440

Element Min Max Similar
Al 0.0200 - -
S - 0.0150 -
P - 0.0150 -
Mn 0.7000 0.9000 -
Si 0.0500 0.1500 -
C 0.0900 0.1500 -

Mechanical Properties of steel grade NGY440

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)
289 (≥) 767 (≥) 21 23 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade NGY440

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
43 - -     0.43 -  
261 393 - 41.3 432   -  
711 - 31 24.2   442 113

Heat Treatment of steel grade NGY440

Heat treated : 1413°C - 1343°C

Technological Curves of steel grade NGY440

Cross Reference Table (Equivalent Grade) of NGY440

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