3A21 Aluminum Bar
3A21 aluminum bar is an Al-Mn alloy. It is made from a widely used anti-rust aluminum with good corrosion resistance and good weldability. The bar is mainly used for applications requiring high plasticity and good weldability. And it usually works in liquid or gas media.
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- Commodity name: 3A21 Aluminum Bar
3A21 aluminum bar is an Al-Mn alloy. It is made from a widely used anti-rust aluminum with good corrosion resistance and good weldability. The bar is mainly used for applications requiring high plasticity and good weldability. And it usually works in liquid or gas media.
3A21 Aluminum Bar Description
3A21 aluminum alloy, also known as A921 aluminum alloy, is an aluminum alloy material composed of aluminum and a small amount of other alloy elements such as manganese, copper, chromium, and Zinc. 3A21 aluminum bar has good tensile strength and yield strength and can meet applications with various strength requirements. 3A21 aluminum alloy has good corrosion resistance and can be used for a long time in humid and corrosive environments without rusting easily. Besides, 3A21 aluminum bar can be subjected to various surface treatments, such as anodizing, spraying, chrome plating, etc., to increase its surface hardness and decoration. Another thing that makes 3A21 aluminum bar a favorable option is aluminum alloy is light in weight and low in density compared to other metals. It is an ideal lightweight material and is suitable for product designs that require light weight.
Product ParametersDiameter
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
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3A21 Aluminum Bar - Stock Warehouse
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3A21 Aluminum Bar - Product Inspection
Tensile Strength Testing Tensile Strength Testing Physical Performance Testing Chemical Composition Testing 
Inspection Hardness Testing Spectral Detection Mechanical Properties -
3A21 Aluminum Bar - Product Measurement
Outer Diameter Measurement Outer Diameter Measurement Outer Diameter Measurement Outer Diameter Measurement -
3A21 Aluminum Bar - Product Packaging
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