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America UNS D40550 Carbon steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: D40550 / D40550
Category Grade Standard Region/Area Standard Content
Metals D40550 -- America Carbon steel

Chemical composition(mass fraction)(wt.%) of the D40550

Element Min Max Similar
S - 0.0500 -
Pb 0.1500 0.3500 -
P - 0.0400 -
Cu 0.2000 - -

Mechanical Properties of steel grade D40550

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)
946 (≥) 577 (≥) 23 33 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade D40550

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
11 - -     0.22 -  
586 259 - 11.3 424   -  
755 - 42 31.2   242 214

Heat Treatment of steel grade D40550

Heat treated : 1312°C - 1586°C

Technological Curves of steel grade D40550

Cross Reference Table (Equivalent Grade) of D40550

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