3A21 Aluminum Coil

3A21 Aluminum Coil

3A21 aluminum coil, classified as an Al-Mn alloy, represents a distinctive blend of properties that make it indispensable in numerous industries. This alloy, often revered for its remarkable corrosion resistance, is particularly effective in environments where protection from rust and oxidation is paramount. Its inherent resistance to both atmospheric and aqueous corrosion ensures longevity and reliability, especially in challenging settings where other materials might degrade.

Beyond its resistance to environmental factors, 3A21 aluminum coil boasts impressive weldability, a characteristic that significantly expands its applications. This makes it ideal for use in scenarios where high plasticity is required, allowing the material to be easily shaped, formed, or welded without compromising its structural integrity. As such, it excels in the construction of complex parts and systems, particularly in liquid or gas handling environments.

This alloy’s versatility is evident in its widespread application across industries such as shipbuilding, transportation, and construction, where the need for both durability and ease of fabrication is paramount. Whether it’s used for structural components, tanks, or piping, the 3A21 aluminum coil remains a top choice for engineers seeking a material that balances strength, flexibility, and resistance to harsh conditions.

Product Parameters

Width	20-3000mm or customized	Thickness	0.1-120mm or customized
Length	100-12000mm or customized	Certificate	ISO, SGS, BV
Standard	JIS, AISI, ASTM, GB, DIN, EN, etc.
Brand	1000 Series: 1050 1060 1070 1100 1200 1235 etc.3000 Series: 3003 3004 3005 3104 3105 3A21 etc.5000 Series: 5005 5052 5083 5086 5154 5182 5251 5754 5A05 etc.6000 Series: 6061 6063 6082 6A02 etc.7000 Series: 7050 7475 7075 etc.8000 Series: 8A06 8011 8090 etc.
Surface	Coating, Embossing, Drawing, Polishing, Anodizing, etc.
OEM Service	Punching, Cutting Special Size, Making Flat Surface, Surface Treatment, etc.
Delivery Time	Received 30% after deposit 7-15 working days
Application	Construction, Shipbuilding, Decoration, Industry, Manufacturing, Machinery, Hardware and other fields
Sample	Free Offers Sample
Packaging	Strapping, Plastic bag, Film, Wooden pallet standard seaworthy export packing or according to customer requirement

Chemical Composition

Alloy	Si	Fe	Cu	Mn	Mg	Cr	Zn	Ti	Others:Each	Others:Total	Al: Min.
1050	0.25	0.40	0.05	0.05	0.05	–	0.05	0.03	0.03	–	99.50
1060	0.25	0.35	0.05	0.03	0.03	–	0.05	0.03	0.03	–	99.60
1070	0.20	0.25	0.04	0.03	0.03	–	0.04	0.03	0.05	–	99.70
1100	0.95 Si Fee		0.05~0.20	0.05	–	–	0.1	–	0.05	0.15	99.0
2014	0.5~1.2	0.7	3.9~5.0	0.4~1.2	0.2~0.8	0.10	0.25	0.15	0.05	0.15	Allowance
2017	0.2~0.8	0.7	3.5~4.5	0.4~1.0	0.4~0.8	0.10	0.25	0.15	0.05	0.15	91.5 – 95.5
2024	0.50	0.50	3.8~4.9	0.3~0.9	1.2~1.8	0.10	0.25	0.15	0.05	0.15	Allowance
3003	0.60	0.70	0.05~0.20	1.0~1.5	–	–	0.10	–	0.05	0.15	Allowance
3A21	0.60	0.70	0.20	1.0-1.6	0.05	–	0.15	0.1-0.2	–	–	Allowance
3004	0.30	0.70	0.25	1.0~1.5	0.8~1.3	–	0.25	–	0.05	0.15	Allowance
3005	0.60	0.70	0.30	1.0~1.5	0.2~0.6	0.10	0.25	0.10	0.05	0.15	Allowance
3105	0.60	0.70	0.30	0.3~0.8	0.2~0.8	0.20	0.40	0.10	0.05	0.15	Allowance
5005	0.30	0.70	0.20	0.20	0.5~1.1	0.1	0.25	–	0.05	0.15	Allowance
5052	0.25	0.40	0.10	0.10	2.2~2.8	0.15~0.35	0.10	–	0.05	0.15	Allowance
5754	0.40	0.40	0.10	0.50	2.6~3.6	0.30	0.20	0.15	0.05	0.15	Allowance
5A05	0.50	0.50	0.10	0.3-0.6	4.8-5.5	–	0.20	–	0.05	0.05	Allowance
5083	0.40	0.40	0.10	0.4~1.0	4.0~4.9	0.05~0.25	0.25	0.15	0.05	0.15	Allowance
6061	0.40~0.8	0.70	0.15~0.4	0.15	0.8~1.2	0.04~0.35	0.25	0.15	0.05	0.15	Allowance
6082	0.70~1.3	0.50	0.10	0.4~1.0	0.6~1.2	0.25	0.20	0.10	0.05	0.15	Allowance
7075	0.40	0.50	1.2~2.0	0.30	2.1~2.9	0.18~0.28	5.1~6.1	0.20	0.05	0.15	Allowance

Mechanical Properties

Tensile Strength (MPa)	Elongation Rate(%)	Yield Strength (MPa)
≥75	≥ 4.5	≥35

Physical Performance

Density	Melting Point	Modulus of Elasticity	Thermal Conductivity	Thermal Expansion
2.7 Kg/m³	640 °C	68 GPa	230 w/m K	23×10-6/K

Annealing State

Brand	Annealing State
1xxx: 1050, 1050A, 1060, 1100	O, H12, H14, H16, H18, H22, H24, H26, H28, H111
3xxx: 3003, 3004, 3005, 3105
5xxx: 5005, 5052, 5754, 5083, 5086, 5182, 5049, 5251, 5454	O, H22, H24, H26, H28, H32, H34, H36, H38, H111
6xxx: 6061, 6082	T4, T6, T451, T651
2xxx: 2024	T3, T351, T4
7xxx: 7075	T6, T651

Scope of Application

Aluminum Uses And Application Area
Food Packaging	Beverage can ends, cans, bottle caps, etc.
Building	Curtain walls, cladding, suspended ceilings, thermal insulation, venetian blinds, etc.
Transportation	Auto parts, passenger car bodies, aviation ships and air cargo containers.
Electronic Equipment	Electrical appliances, communication equipment,PCPlate drilling guide, lighting and heat dissipation materials, etc.
Consumer Goods	Umbrellas, cooking utensils, sports equipment, etc
Other	Military, color coated aluminum plate