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Zipper closure 1/5 zip athletic pullovers for men. Stretchy, lightweight, fast-drying fabric for superior performance. REGULAR FIT - US standard sizes. An athletic fit that sits close to the body for a wide range of motion, designed for optimal performance and all day comfort. FEATURES - Quarter zip closure;Thumbholes on long sleeves to keep them in place during workout

测试

	1 Series (Pure Aluminum)	2 Series (Al-Cu)	3 Series (Al-Mn)	4 Series (Al-Si)	5 Series (Al-Mg)	6 Series (Al-Mg-Si)	7 Series (Al-Zn)	8 Series (Other Alloys)
Common Name	Pure Aluminum	Aluminum-Copper Alloy	Aluminum-Manganese Alloy	Aluminum-Silicon Alloy	Aluminum-Magnesium Alloy	Aluminum-Magnesium-Silicon Alloy	Aluminum-Zinc Alloy	Special Aluminum Alloys
Main Composition	Al ≥ 99.0%, minimal Fe, Si	Cu (3.8%–4.9%), small amounts Mg, Mn	Mn (1.0%–1.5%)	Si (4.5%–6%)	Mg (2.2%–5.0%)	Mg + Si (Mg₂Si phase)	Zn + Mg + Cu	Li, Fe, Ni, etc. (e.g., 8011 contains Fe, Si)
Strength Level	Low	Medium to High	Medium to Low	Medium to Low	Medium to Medium-High	Medium to Medium-High	Ultra-High	Low to Medium
Weldability	Excellent	Poor	Excellent	Excellent	Good	Good	Poor	Good
Corrosion Resistance	Superior	Fair	Good	Fair	Superior	Good	Fair	Good (foil materials) / Fair (Lithium alloys)
Heat Treatability	Non-heat treatable	Heat treatable	Non-heat treatable	Non-heat treatable	Non-heat treatable	Heat treatable	Heat treatable	Partially heat treatable
Main Characteristics	Best plasticity, easy forming, work hardening only	strength increases with higher Cu content, requires anti-corrosion treatment	Good formability, improved rust resistance, limited work hardening	Wear resistance increases with higher Si content, used for welding materials	High strength and corrosion resistance with higher Mg content	Best comprehensive performance, cost-effective	Strongest industrial aluminum alloy, requires surface protection	Specialized properties depending on added elements
Typical Grades	1050, 1060, 1100	2024, 2A12 (LY12)	3003, 3A21	4043, 4A01	5052, 5083, 5A06	6061, 6063, 6082	7075, 7A04, 7005	8011, 8A06
Typical Applications	Wires, cables, foil, food packaging, heat sinks	Aerospace structures, aircraft parts	Beverage cans, AC foil, kitchenware, architectural decoration panels	Automotive pistons, wear-resistant parts, brazing filler metals	Ships, fuel tanks, pressure vessels, architectural structural	Structural profiles, bike frames, electronics casings	Aerospace, landing gear, molds, sports equipment	Battery foil, aluminum-lithium aerospace alloys, ultra-thin aluminum foil