3A21 Aluminum Coil Description
3A21 aluminum alloy, also known as A921 aluminum alloy, is an aluminum alloy material whose main component includes aluminum and a small amount of other alloy elements such as manganese, copper, chromium, and Zinc. 3A21 aluminum coil 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 coil 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 coil 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 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 day |
||
Application |
Construction, Shipbuilding, Decoration, Industry, Manufacturing, Machinery, Hardware And Other Fields, etc. |
||
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 |
Margin |
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 |
Margin |
3003 |
0.60 |
0.70 |
0.05~0.20 |
1.0~1.5 |
- |
- |
0.10 |
- |
0.05 |
0.15 |
Margin |
3A21 |
0.60 |
0.70 |
0.20 |
1.0-1.6 |
0.05 |
- |
0.15 |
0.1-0.2 |
- |
- |
Margin |
3004 |
0.30 |
0.70 |
0.25 |
1.0~1.5 |
0.8~1.3 |
- |
0.25 |
- |
0.05 |
0.15 |
Margin |
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 |
Margin |
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 |
Margin |
5005 |
0.30 |
0.70 |
0.20 |
0.20 |
0.5~1.1 |
0.1 |
0.25 |
- |
0.05 |
0.15 |
Margin |
5052 |
0.25 |
0.40 |
0.10 |
0.10 |
2.2~2.8 |
0.15~0.35 |
0.10 |
- |
0.05 |
0.15 |
Margin |
5754 |
0.40 |
0.40 |
0.10 |
0.50 |
2.6~3.6 |
0.30 |
0.20 |
0.15 |
0.05 |
0.15 |
Margin |
5A05 |
0.50 |
0.50 |
0.10 |
0.3-0.6 |
4.8-5.5 |
- |
0.20 |
- |
0.05 |
0.05 |
Margin |
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 |
Margin |
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 |
Margin |
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 |
Margin |
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 |
Margin |
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 |



Angle Steel
Channel Steel
Universal Beam (l-Beam)
H-Beam Steel
Galvalume Steel Coil
Galvalume Steel Sheet
Galvanized Steel Sheet
Color Coated Plate
Stainless Steel Bar
Stainless Steel Pipe
Steel Bar
Wire Rope
Carbon Steel Pipe
Carbon Steel Plate
Aluminum Plate
Aluminum Coil
Aluminum Pipe
Aluminum Bar
Magnesium Ingot
Fasteners































