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7A03 Aluminum Performance


  Features and Scope:


Belong to Al-Zn-Mg-Cu based hard aluminum alloy rivets. Quenching artificial aging state can be riveting, a high-strength rivets material when the temperature is below 100 . Heat strengthened, high shear strength, corrosion resistance and machinability is still good, quenching using artificial aging state; rivet, without restrictions after the heat treatment time; generally acceptable corrosion resistance, stress corrosion cracking tendencies.


Mechanical Properties:


Shear strength τ (MPa): 284


Note: After the wire solution heat treatment to natural aging state shear stable performance


Sample size: All wire diameter


Heat treatment:


1) complete annealing: heating 390 ~ 430 ; with the effective thickness of different materials, holding time between 30 ~ 120min; with / h speed of 30 ~ 50 , with furnace cooling to below 150 , and then cooled.


2) quenching and aging: hardening 460 ~ 470 , water cooling; artificial


:( Grading aging) Level 1 115 ~ 125 3 ~ 4h heating, Level 2 160 ~ 170 , 3 ~ 5h, air cooling.


Status: rivet aluminum and aluminum alloy wire (T6 state)

aluminum plate

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