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3A21 aluminum coil is a high-performance, non-heat-treatable alloy primarily composed of aluminum and manganese, offering excellent corrosion resistance and moderate strength. Known for its superior formability and weldability, it is widely used in applications such as fuel tanks, pipelines, and structural components in industries like aerospace, automotive, and manufacturing. The alloy’s lightweight nature and resistance to atmospheric and marine corrosion make it ideal for long-lasting performance in harsh environments. 3A21 aluminum coil is easy to process, ensuring versatility and efficiency in production. Its reliability, combined with cost-effectiveness, makes it a popular choice for B2B customers in industrial sectors.
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)
Yield Strength (MPa)
Hardness HB
Elongation Rate (%)
89.6 34 23 15-28 Physical Performance
Density Melting Point Modulus of Elasticity Thermal Conductivity 2.71 Kg/m³ 643-675.2 °C 68.9 GPa 222 W/m.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
3A21 Aluminum Coil
3A21 aluminum coil is a corrosion-resistant, non-heat-treatable alloy known for its excellent formability and moderate strength. Ideal for aerospace, automotive, and structural applications, it offers durability and reliability, making it a preferred choice for B2B customers.
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Phone -
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Email
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