5086 Alloy Aluminum Coil

Chemical composition

Magnesium Mg：3.5～4.5

Zinc Zn：≤0.25

Manganese Mn ：0.20～0.7

Titanium Ti ：≤0.15

Chromium Cr: 0.05 ~ 0.25

Iron Fe：0.000～0.500

Note: Single:≤0.05;Total:≤0.15

Mechanical properties

Tensile strength σb (MPa): ≥240

Conditional yield strength σ0.2 (MPa): ≥95

Elongation δ10 (%): ≥10

Elongation δ5 (%): ≥12

Note: Longitudinal mechanical properties of tubes at room temperature

Specimen size: all wall thicknesses

Status: Aluminum and aluminum alloy hot extruded seamless round tubes (H112 state)

Heat treatment specification

1) homogenization annealing: heating 475 ~ 490 ℃; insulation 12 ~ 14h; furnace cooling. 2) complete annealing: heating 350 ~ 400 ℃; with the effective thickness of different materials, insulation time 30 ~ 120min; with 30 ~ 50 ℃ / h speed furnace cooling to 300 ℃, then air-cooled. 3) rapid annealing: heating 350 ~ 460 ℃; insulation time 30 ~ 120min; 4) quenching and aging: quenching 495 ~ 505 ℃, water cooling; natural aging room temperature 96h.

Status: Aluminum and aluminum alloy extrusion bar (≤22mm, H112, T6 state)