[China Aluminum Network] 5A06 aluminum is Al-Mg rust-proof aluminum, 5A06 aluminum sheet has high strength and corrosion stability, the plasticity is still good in the annealing and extrusion state, the weld tightness with argon arc welding And weld plasticity is acceptable, gas welding and spot welding its welding joint strength of the matrix strength of 90 to 95%; good cutting performance.
Use 1 is a high-magnesium alloy, which has good strength in non-heat-treatable alloys, and has good corrosion resistance and machinability. Anodized surface appearance. Arc welding performance is good. The main alloying element in 5A06 alloy is magnesium, which has good corrosion resistance and weldability, as well as moderate strength. Excellent corrosion resistance makes 5A06 alloy widely used in marine applications such as ships, as well as automotive, aircraft welding parts, subway light rails, pressure vessels that require strict fire prevention (such as liquid tankers, refrigerated trucks, refrigerated containers), refrigeration equipment, television towers, Drilling equipment, transportation equipment, missile parts, armor, etc.
25A06 belongs to Al-Mg-Si alloys and has a wide range of applications, especially in the construction industry. It is a promising alloy. Good corrosion resistance, excellent weldability, good cold workability, and moderate strength. The main alloying element of 5083 is magnesium, which has good forming performance, corrosion resistance, weldability and medium strength. It is used to make aircraft fuel tanks, tubing, and sheet metal parts for transportation vehicles and ships, instrumentation, streetlight brackets and rivets, Hardware products, electrical enclosures, etc.
3Al-Mn-based alloy is a kind of rust-proof aluminum with wide application. The strength of this alloy is high, especially it has anti-fatigue strength: it has high plasticity and corrosion resistance and can not be strengthened by heat treatment. It is plastic in semi-cold hardening. Still good, low plasticity in cold work hardening, good corrosion resistance, good weldability, poor machinability, and polishability. Uses are mainly used for demanding plasticity and good weldability, low load parts working in liquid or gaseous media, such as mailboxes, petrol or lube conduits, various liquid containers, and other low load parts made by deep drawing: The wire is used to make the rivet chemical composition Al Al: balance silicon Si: ≤ 0.40
Copper Cu: ≤ 0.10
Magnesium Mg: 5.8~6.8
Zinc Zn: ≤0.20
Manganese Mn: 0.50 to 0.8
Titanium Ti: 0.02 to 0.10
é“Be:0.0001～0.005
Iron Fe: 0.000 to 0.400
Note: Single: ≤ 0.05; Total: ≤ 0.10
Mechanical properties tensile strength σb (MPa): ≥ 315
Conditional yield strength σ0.2(MPa): ≥160
Elongation δ10 (%): ≥15
Note: Longitudinal mechanical properties of bar at room temperature Specimen size: Bar diameter (square rod, hexagonal rod inscribed circle diameter) ≤ 150
Heat treatment specifications (1) Homogenization annealing: heating 460 ~ 475 °C; insulation 12 ~ 14h; air cooling.
(2) rapid annealing: heating 310 ~ 350 °C; holding time 30 ~ 120min; empty or water-cooled.
(3) high temperature annealing: heating 310 ~ 335 °C; finished thickness ≥ 6mm or <6mm, the holding time is 30 ~ 180min or 30 ~ 120min; air cooling. 4) Low temperature annealing: heating 250～300°C or 150～180°C; holding time 1～2h or 2～3h air cooling
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