2011 aluminum alloy round bar
Al: allowance
Silicon Si: ≤ 0.7
Copper Cu: 3.8 ~ 4.8
Mg: 0.40 ~ 0.8
Zinc Zn: ≤ 0.30
Mn: 0.40 ~ 0.8
Titanium Ti: ≤ 0.15
Nickel: Ni ≤ 0.10
Fe: 0.000 ~ 0.700
Fe + Ni Fe + Ni: 0.000 ~ 0.700
Note: single: ≤ 0.05; Total: ≤ 0.10
Mechanical properties of 2011 aluminum alloy rod
Tensile strength &; b (MPA):≥370
Conditional yield strength &; 0.2 (MPA):≥215
Elongation δ 5 (%):≥12
Note: longitudinal mechanical properties of bar at room temperature
Sample size: bar diameter (inscribed circle diameter of square bar and hexagonal bar) ≤ 150
Heat treatment process of 2011 aluminum alloy round bar
1) Homogenization annealing: heating 480 ~ 495 ℃; Heat preservation for 12 ~ 14h; The furnace is cold.
2) Complete annealing: heating 390 ~ 430 ℃; Holding time: 30 ~ 120min; Air cooling.
3) Rapid annealing: heating 350 ~ 370 ℃; The holding time is 30 ~ 120min; Air cooling.
4) Quenching and aging: quenching at 495 ~ 510 ℃, water cooling; Artificial aging 155 ~ 165 ℃, 6 ~ 10h, air cooling; Natural aging: 96h at room temperature.
2011 aluminum alloy round bar status: aluminum and aluminum alloy extruded bar (≤ 150mm, h112, T4 status)
The products supplied by aluminum are produced in strict accordance with various national standards such as GB / t3191-2010, GB / t6892-2006 and GB / t3190-2008, so as to ensure the excellent quality of products. Products can be customized according to customers' special requirements.
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