3A21 Aluminium Sheet
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 plate 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 plate 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 plate 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.
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Product Description

Product 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 plate 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 plate 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 plate 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

Width20-3000mm or customizedthickness0.1-120mm or customized
Length100-12000mm or customizedCertificateISO.SGS.BV
StandardJIS, AiSi, ASTM, GB, DIN, EN, etc.
Trademark1000 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.
SurfaceCoating, embossing, drawing, polishing, anodizing, etc.
OEM serviceDrilling holes, cutting special sizes, making flat surfaces, surface treatment, etc.
Delivery time7-15 working days after receiving 30% deposit
ApplicationConstruction, shipbuilding, decoration, industry, manufacturing, machinery, hardware and other fields
Samplefree samples
PackageBundling, plastic bags, films, wooden pallets standard seaworthy export packaging or as per customer requirements


Chemical Composition

AlloySiFeCuMnMgCrZnTiOthers:EachOthers:TotalAl: Min.
10500.250.400.050.050.05-0.050.030.03-99.50
10600.250.350.050.030.03-0.050.030.03-99.60
10700.200.250.040.030.03-0.040.030.05-99.70
11000.95 Si+Fe0.05-0.20---0.1-0.050.1599.0
20140.5-1.20.73.9-5.00.2-0.80.2-0.80.100.250.150.050.15Margin
20170.2-0.80.73.9-4.50.4-0.80.4-0.80.100.250.150.050.1591.5-95.5
20240.500.503.8-4.90.3-0.91.2-1.80.100.250.150.050.15Margin
30030.600.700.05-0.21.0-1.5--0.10-0.050.15Margin
3A210.600.700.201.0-1.60.05-0.150.1-0.2--Margin
30040.300.700.251.0-1.50.8-1.3-0.25-0.050.15Margin
30050.600.700.301.0-1.50.2-0.60.100.250.100.050.15Margin
31050.600.700.300.3-0.80.2-0.80.200.400.100.050.15Margin
50050.300.700.200.200.5-1.10.100.25-0.050.15Margin
50520.250.400.100.102.2-2.80.15-0.350.10-0.050.15Margin
57540.400.400.100.502.6-3.60.300.200.150.050.15Margin
5A050.500.500.100.3-0.64.8-5.5-0.20-0.050.15Margin
50830.400.400.100.4-1.04.0-4.90.05-0.250.250.150.050.15Margin
60610.40-0.80.700.15-0.40.150.8-1.20.04-0.350.250.150.050.15Margin
60820.70-1.30.500.100.4-1.00.6-1.20.250.200.100.050.15Margin
70750.400.501.2-2.00.302.1-2.90.18-0.285.1-6.10.200.050.15Margin

Mechanical behavior

Tensile Strength (MPa)Elongation Rate (%) Yield Strength (MPa)
89.615-2834

 

Physical properties

densitymelting pointElastic ModulusThermal conductivitythermal expansion
2.71 Kg/m³643-675.2 °C68.9 GPa222 W/m.K23×10-6 /K

 

Annealing state

TrademarkAnnealing state
1xxx:1050,1050A,1060,1100O,H12,H14,H16,H18,H22,H24,H26,H28,H111
3xxx:3003,3004,3005,3105
5xxx:5005,5052,5754,5083,5086,5182,5049,5251,5454O, H22, H24, H26, H28, H32, H34, H36, H38, H111
6xxx:6061,6082T4, T6, T451, T651
2xxx:2024T3, T351, T4
7xxx:7075T6, T651

 

Application scope

Aluminum uses and application areas
Food packagingBeverage can ends, cans, bottle caps, etc.
ArchitectureCurtain walls, cladding, suspended ceilings, insulation, Venetian blinds etc.
TransportationAuto parts, bus bodies, aviation ships and air cargo containers, etc.
Electronic equipmentElectrical appliances, communication equipment, PC board drilling guides, lighting and heat dissipation materials, etc.
Consumer goodsParasols, cooking utensils, sports equipment, etc.
OtherMilitary, color-coated aluminum plate

 

FAQ

Q: Do you accept third-party inspection?

A: Yes, we absolutely accept it.

 

Q: Do you provide samples? Free or extra?

A: The cost of samples is calculated based on the value. Shipping fee is necessary.

 

Q: Do you have a large inventory of steel?

A: Yes, we have a large indoor warehouse with a total annual spot inventory of more than 200,000 tons.

 

 

Q: What is your delivery time and supply capacity?

A: The delivery time is usually within 15~28 working days, and we can supply about 10,000 tons per month.

 

Q: How to order?

A: Buyer sends inquiry-->Buyer gets quotation-->Order confirmation-->Buyer sends deposit-->Seller prepares goods-->Seller strictly inspects-->Buyer arranges balance payment-->Packaging and delivery.

 


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