3105 aluminum coil is a 3000 series aluminum alloy: the main alloying addition is manganese, which is formulated for primary forming into forged products.
3105 aluminum coil is a 3000 series aluminum alloy: the main alloying addition is manganese, which is formulated for primary forming into forged products. It has good rust resistance, excellent weldability, and good electrical conductivity. The conductivity can reach 41%.

Price of 3105 Aluminum Coil
This aluminum metal has excellent formability and weldability, but does not respond to heat treatment. 3000 series aluminum metal is 20% stronger than 1000 series metal.
It is stronger than 1000 series alloys, but its price is almost the same as 1000 series alloys, so it is widely used in making roofing.
In the European standard, we name it EN AW-3105. Also, the UNS number is A93105.
From: wikipedia
Tempers:
3105-O Aluminum,3105-H111 Aluminum,3105-H12 Aluminum,3105-H14 Aluminum,3105-H16 Aluminum,3105-H18 Aluminum,3105-H19 Aluminum,3105-H22 Aluminum,3105-H24 Aluminum,3105-H25 Aluminum,3105-H26 Aluminum,3105-H28 Aluminum
| Gauge Range | .004″ to .190″ (.102 mm to 4.826 mm) |
| Width Range | .250″ to 60″ (6.365 mm to 1524 mm) |
| ID | 8, 12, 16 or 20 (inches) |
| OD | 78″ maximum |
| Coil Weight | 40,000 lbs maximum |
Cut-to-length capabilities |
|
| Gauge Range | .015 to .060 (.381 mm to 1.524 mm) |
| Width Range | 8” – 48” (203 mm to 1.219 mm) |
| Length Range | 12” to 144” (305 mm to 3.658 mm) |
| Element | Percentage (%) |
| Aluminum (Al) | Remainder |
| Silicon (Si) | 0.6 max |
| Iron (Fe) | 0.7 max |
| Copper (Cu) | 0.3 max |
| Manganese (Mn) | 0.3~0.8 |
| Magnesium (Mg) | 0.2~0.8 |
| Chromium (Cr) | 0.2 max |
| Zinc (Zn) | 0.4 max |
| Titanium (Ti) | 0.1 max |
| Remainder Each | 0.05 max |
| Remainder Total | 0.15 max |
| Thickness (inch) | Yield Strength Min. (ksi) |
Tensile Strength (ksi) |
Elongation (%) Min. |
|
| Min. | Max. | |||
| 0.017 – 0.019 | 15.0 | 19.0 | 26.0 | 1 |
| 0.020 – 0.031 | 15.0 | 19.0 | 26.0 | 1 |
| 0.032 – 0.050 | 15.0 | 19.0 | 26.0 | 2 |
| 0.051 – 0.080 | 15.0 | 19.0 | 26.0 | 3 |
| Thickness (inch) | Yield Strength Min. (ksi) |
Tensile Strength (ksi) |
Elongation (%) Min. |
|
| Min. | Max. | |||
| 0.017 – 0.019 | 18.0 | 22.0 | 29.0 | 1 |
| 0.020 – 0.031 | 18.0 | 22.0 | 29.0 | 1 |
| 0.032 – 0.050 | 18.0 | 22.0 | 29.0 | 2 |
| 0.051 – 0.080 | 18.0 | 22.0 | 29.0 | 2 |
For annealed H12, H14, and H16 tempers, a bend radius in the thickness range of 1 to 2 t is recommended. H18 tempering should use a bend radius of 2 to 7 t.
The differences between 303H14 and 3105 H24 are as follows:
One of these is Brinell hardness; 3003 H14 has 42 BHN and 3105 H24 has 47 BHN.
Another difference is fatigue strength; 3003 H14 is only 60 MPa, while 3105 H24 is 74 MPa.

3105 H24 vs 3003H14 aluminum alloy
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Dear Sales Manager, I hope this email finds you well. This is Min-Hyung Lee, CEO of Taesan Steel Co., Ltd., an import & export company based in Incheon, South Korea, dealing in steel and aluminum materials. We understand that Henan Huawei Aluminum produces 1100 aluminum coils in H16 temper from 0.2 mm thickness at your mill in Gongyi, Henan. We use mill finish aluminum coil as a substrate for coating in Korea, and are looking for a reliable Chinese mill for regular monthly imports. We would appreciate your quotation for the material below, based on current market prices. 1. Material - Alloy / Temper: A1100 – H16 (A1235 or A1050 acceptable subject to prior approval) - Standard: KS D 6701 or equivalent (JIS H 4000, ASTM B209, GB/T 3880 accepted) - Surface: mill finish (as-rolled), suitable for painting/coating 2. Ordered sizes - 0.45 mm x 1,120 mm x Coil (main size) - 0.60 mm x 1,060 mm x Coil - No minus tolerance on thickness (e.g., actual 0.45 mm or above for the 0.45 mm order) 3. Coil weight: approx. 3-6 MT per coil 4. Quantity: 30-40 MT per month (estimated 360-480 MT per year) 5. Price terms: CIF Incheon Port or Pyeongtaek Port, South Korea, in USD (USD/kg or USD/MT). A formula-based quotation (e.g., SMM ingot price + processing cost) is also acceptable, provided the total is given on a CIF basis (or FOB with ocean freight shown separately). Please include the following in your quotation: 1. Unit price (CIF Incheon or Pyeongtaek, in USD) 2. MOQ per size 3. Lead time (order to shipment) 4. Payment terms 5. Whether the material is DC or CC rolled, and producible thickness/width range for 1xxx alloys 6. Mill information (location, ISO 9001 or other certifications) 7. Sample availability and conditions (we plan a coating trial before regular orders) 8. Confirmation that a Mill Test Certificate (chemical composition and mechanical properties) will be provided with each shipment Our plan is to review your quotation and material specification first, then request samples for a coating trial. If the results are satisfactory, we intend to place regular monthly orders. We are also willing to visit your mill in China in person to see the production line and discuss the details of a long-term partnership. The detailed specification (SPEC-AL-2026-01) is attached for your reference. We look forward to your reply. Best regards, Min-Hyung Lee CEO | Taesan Steel Co., Ltd. Email: [email protected] Tel: 82 10 5048 5768 WeChat: dolf369
Aluminum 5754 H111 หนา 8 mm กว้าง x ยาว : 4 x 6 ฟุต
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Dear Sales Team, I hope you are doing well. We are looking to source aluminum products from your company and would appreciate receiving your best quotation for the following: Aluminum Sheets Thickness: 2 mm, 3 mm, 4 mm, and 5 mm Please provide your available standard sheet sizes. Kindly quote the price per sheet and the price per metric ton. Aluminum Coils Thickness: 2 mm, 3 mm, 4 mm, and 5 mm Please provide your available coil widths, standard coil weights, and inner diameter specifications. Kindly quote the price per metric ton. For both sheets and coils, please include: Available alloys (e.g. 1050, 3003, 5052) Temper options Mill finish or other available surface finishes Minimum Order Quantity (MOQ) Production lead time Payment terms Please provide your quotation based on: CIF Jebel Ali Port, UAE (including sea freight), or alternatively provide both FOB China and CIF Jebel Ali Port, UAE prices. If available, please also send: Product catalogue Mill Test Certificate (MTC) sample Photos of the products and packaging. We are interested in establishing a long-term business relationship. Our initial purchase volume is expected to be 100+ metric tons, with the potential for larger and recurring orders if your pricing, quality, and service meet our requirements. Thank you for your time. We look forward to receiving your quotation and hope to build a successful long-term partnership. Best regards, Eng.Yousef
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