3A21 Aluminum Coil
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 Coil - 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 | He, AiSi, ASTM, GB, DIN, EN etc. |
| Brand | 1000 Series:1050 1060 1070 1100 1200 1235 etc. 3000Series: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. |
| OEMService | 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 |
| Sample | Free OffersSample |
| 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 |
| 10 7 0 | 0.2 0 | 0. 25 | 0.0 4 | 0.03 | 0.03 | - | 0.0 4 | 0.03 | 0.0 5 | - | 99. 7 0 |
| 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 | ElongationRate (%) |
|---|---|---|---|
| 89.6 | 34 | 23 | 15-28 |
Physical Performance
| Density | Melting Point | modulus of elasticity | Thermal conductivity |
|---|---|---|---|
| 2.7 1 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 He, AiSi, ASTM, GB, DIN, EN etc. with strict dimensional tolerance and surface quality
- Reliable Aluminum Coil 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 Coil
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 Coil
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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.