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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.

PRODUCT DISPLAY

  • 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

PRODUCT DETAILS

FACTORY DISPLAY

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