7A03 Aluminum Performance

08/29 2017

Features and Scope:

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

Mechanical Properties:

Shear strength τ (MPa): ≥284

NOTE: After the wire solution heat treatment to natural aging stable-state shear

Sample size: All wire diameter

Heat Specifications:

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

2) Quenching and aging: hardening 460 ~ 470 ℃, water-cooled; artificial

( Aging stage aging) Level 1 115 ~ 125 ℃ 3 ~ 4h heating, Level 2 160 ~ 170 ℃, 3 ~ 5h, cooled.

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

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