3A21 Aluminum Plate
Prime Mill Grade | Certified China Exporter & Factory Direct Supply
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Origin: China (Mill Direct) China Steel Exporter EN 10204 3.1 MTC
3A21 Aluminum Plate - Technical Overview & Specifications
3A21 aluminum alloy is an ordinary industrial pure aluminum with an aluminum content of 99.0. It can not be strengthened by heat treatment; the strength is low, but it has good ductility, formability, weldability and corrosion resistance; after anodic oxidation, it can further improve its corrosion resistance and obtain a beautiful surface.
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 |
International Standard Grade Comparison
| Alloy Series | Chinese standard | American standard | European standard |
|---|---|---|---|
| 1xxx series | 1050 | - | - |
| 1050A | - | EN AW-1050A | |
| 1060 | 1060 | - | |
| 1100 | 1100 | - | |
| 2xxx series | 2024 | 2024 | EN AW-2024 |
| 3xxx series | 3003 | 3003 | EN AW-3003 |
| 3004 | 3004 | EN AW-3004 | |
| 3005 | 3005 | EN AW-3005 | |
| 3105 | 3105 | EN AW-3105 | |
| 5xxx series | 5005 | 5005 | EN AW-5005 |
| 5052 | 5052 | EN AW-5052 | |
| 5754 | 5754 | EN AW-5754 | |
| 5083 | 5083 | EN AW-5083 | |
| 5086 | 5086 | EN AW-5086 | |
| 5182 | - | EN AW-5182 | |
| 5049 | - | EN AW-5049 | |
| 5251 | - | EN AW-5251 | |
| 6xxx series | 6061 | 6061 | EN AW-6061 |
| 6082 | - | EN AW-6082 | |
| 7xxx series | 7075 | 7075 | EN AW-7075 |
Product Features & Advantages
- Manufactured to JIS, AISI, ASTM, GB, DIN, EN, etc. with strict dimensional tolerance and surface quality
- Reliable Aluminum Plate solution for construction, machinery and industrial projects
- Custom processing available: cutting, bending, decoiling, slitting and surface polishing
- Mill Test Certificate (MTC) and full inspection provided
Applications & Industries
Aluminum Plate
Customer Reviews & Mill Quality Audits
4.9 / 5.0|86+ Verified Inspections
4.9
Overall Satisfaction from Global EPC & Steel Buyers
100% Mill Test Reports (MTC)
EN 10204 3.1 Chemical & Tensile Verification Passed
Port Inspection Ready
SGS, BV & Cotecna Third-Party Audits Supported
SEND INQUIRY FOR 3A21 Aluminum Plate
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FAQ
QOnce the products received by customer were found not comply with the products or contract demands, what will you do?
AA: We will compensate the customer for all the loss without any hesitation.
QDo you provide samples Is it free or extra?
AA: Yes, we could offer free samples.
QWhat certifications do your products have?
AA: We have ISO 9001, SGS, EWC and other certifications.
QWhat kind of payment terms would you accept?
AA: We always do T/T.30% T/T as deposit,70% T/T as balance.
QWhat is the delivery time?
AA: 10-15 days
QWhat is your MOQ?
AA: We will provide Original Mill Usually 25 tonnes, but it can be adjusted according to your needs and the actual situation of the inventory.