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Global 企业标准 JD19 Aubert & Duval and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: JD19 / JD19
Category Grade Standard Region/Area Standard Content
Metals JD19 -- Global Aubert & Duval

Chemical composition(mass fraction)(wt.%) of the JD19

Element Min Max Similar
Ni - - 0.5000
Mo - - 0.2000
Cr - - 0.5000
C - - 0.2000

Mechanical Properties of steel grade JD19

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)
326 (≥) 447 (≥) 24 43 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade JD19

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 - -     0.14 -  
297 469 - 33.3 332   -  
788 - 34 22.2   241 222

Heat Treatment of steel grade JD19

Heat treated : 1463°C - 1131°C

Technological Curves of steel grade JD19

Cross Reference Table (Equivalent Grade) of JD19

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