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Global 企业标准 D55-3 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: D55-3 / D 55-3
Category Grade Standard Region/Area Standard Content
Metals D 55-3 -- Global

Chemical composition(mass fraction)(wt.%) of the D 55-3

Element Min Max Similar
Si 0.1000 0.3000 -
S - 0.0250 -
P - 0.0200 -
Ni - 0.1000 -
N - 0.0070 -
Mo - 0.0300 -
Mn 0.5000 0.7000 -
Cu+Sn - 0.1500 -
Cu+Ni+Cr - 0.3000 -
Cu - 0.1500 -
Cr - 0.1000 -
C 0.5400 0.5800 -
Al - 0.0100 -

Mechanical Properties of steel grade D 55-3

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)
844 (≥) 199 (≥) 44 32 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade D 55-3

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
34 - -     0.32 -  
932 367 - 24.3 423   -  
264 - 22 22.2   113 232

Heat Treatment of steel grade D 55-3

Heat treated : 1283°C - 1573°C

Technological Curves of steel grade D 55-3

Cross Reference Table (Equivalent Grade) of D 55-3

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