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3A21 Aluminum Bar Description
3A21 aluminum bar is a high-quality, non-heat-treatable alloy known for its excellent corrosion resistance, good weldability, and superior formability. As an aluminum-manganese series alloy, it offers moderate strength and is widely used in aerospace, transportation, pressure vessels, and structural applications requiring durability. Its lightweight nature and strong resistance to atmospheric and marine corrosion make it ideal for manufacturing fuel tanks, pipelines, and ship components. Easy to process and weld, 3A21 aluminum bar meets the demands of industrial manufacturers seeking reliable and cost-effective materials. Its versatility and stability ensure consistent performance, making it a preferred choice for B2B buyers.
Product Parameters
Diameter
5-650mm or customized
Length
100-2000mm 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 Bar
3A21 aluminum bar is a durable, non-heat-treatable alloy with excellent corrosion resistance and high formability. Widely used in aerospace, transportation, and pressure vessels, it offers reliable performance and easy processing, making it an ideal choice for industrial manufacturers and B2B buyers.
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Email
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