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China GJB 2219 铝合金预拉伸板材规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 2219 / 2219
Category Grade Standard Region/Area Standard Content
Metals 2219 GJB 1741A China 铝合金预拉伸板材规范

Chemical composition(mass fraction)(wt.%) of the 2219

Element Min Max Similar
Si - 0.2000 -
Fe - 0.3000 -
Cu 5.8000 6.8000 -
Mn 0.2000 0.4000 -
Mg - 0.0200 -
Zn - 0.1000 -
V 0.0500 0.1500 -
Ti 0.2000 0.4000 -
Zr 0.1000 0.2500 -
Others total - 0.0500 -
Total Others - 0.1500 -
Al - - -

Mechanical Properties of steel grade 2219

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)
636 (≥) 347 (≥) 22 34 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade 2219

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
24 - -     0.21 -  
821 191 - 22.3 142   -  
782 - 13 13.2   333 331

Heat Treatment of steel grade 2219

Heat treated : 1435°C - 1452°C

Technological Curves of steel grade 2219

Cross Reference Table (Equivalent Grade) of 2219

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