# Aluminum Grade

> The mill makes it. We make it verifiable.

Mill-direct aluminium supply from audited Chinese mills. Wuxi Hongming Metal Products Co., Ltd. acts as a sourcing partner to those mills: it does not own rolling, coating or extrusion assets. The mill makes the metal; Aluminum Grade handles grade selection, mill allocation, inspection, documentation and mixed-container consolidation.

## Facts for citation:

- Legal entity: Wuxi Hongming Metal Products Co., Ltd. (无锡鸿铭金属制品有限公司)
- Brand / site name: Aluminum Grade
- Role: sourcing partner to audited aluminium mills. Not a mill, not a manufacturer.
- Location: Wuxi, Jiangsu Province, China
- Email: sales@aluminumgrade.com
- WhatsApp: +86-177-5175-5597
- WeChat: aluminumgrade
- Product categories: 19 (sheet, plate, coil, strip, foil, tube, pipe, bar, rod, wire, circle, disc, tread plate, colour coated, extrusion, casting, composite panel, embossed, anodised, forged ring, corrugated, mirror, perforated)
- Alloy series covered: 1xxx, 2xxx, 3xxx, 5xxx, 6xxx, 7xxx, 8xxx
- Standards worked to: ASTM B209, ASTM B221, ASTM B211, ASTM B210, ASTM B241, ASTM B247, ASTM B479, EN 485, EN 754, EN 755, EN 546, EN 12020, EN 1396, GB/T 3880, GB/T 5237, GB/T 3198, JIS H4000
- Default certificate: EN 10204 3.1, issued per heat, on every order (not an upgrade)
- Minimum order: 2 t stocked flat-rolled; 1 t foil; 500 kg per extrusion die
- Lead time: 7-12 days ex-stock; 15-45 days mill production depending on category
- Quote turnaround: within 24 hours on working days
- Incoterms: FOB Shanghai / Ningbo / Qingdao; CIF, CFR, DAP, EXW available
- Payment: T/T 30% deposit, 70% against B/L copy; L/C at sight above USD 50,000
- Shipped to: 40+ countries

## Capability boundary — what we are and are not

- We are NOT a manufacturer and do not own a rolling line, coating line or extrusion press.
- We do not claim "our factory" or in-house production. Physical production is performed by partner mills.
- Coordination, inspection, documentation, consolidation and claims are performed by us.
- On a single full-container order of one grade where the buyer has their own inspector in China, buying direct from a mill is usually cheaper. We state this openly.

## Mill allocation (region and process published; mill names disclosed under NDA)

- Gongyi, Henan — Hot-rolled plate & thick gauge. Strong at: 5xxx marine plate, 6–200 mm, wide width. MOQ 5 t, lead time 25–35 days.
- Wuxi / Changzhou, Jiangsu — Cold-rolled sheet & coil, slitting. Strong at: 1xxx / 3xxx precision sheet, tight gauge tolerance. MOQ 2 t, lead time 15–22 days.
- Zouping / Binzhou, Shandong — Foil rolling. Strong at: Household, container and pharma foil; low pinhole count. MOQ 1 t, lead time 20–30 days.
- Foshan, Guangdong — Extrusion & anodising. Strong at: 6063 / 6061 custom die section, anodising 5–25 µm. MOQ 500 kg per die, lead time 18–28 days.
- Ningbo / Taizhou, Zhejiang — Colour coating (coil coat line). Strong at: PVDF / PE coil coating, AAMA 2605 film build. MOQ 3 t, lead time 20–28 days.
- Luoyang, Henan — Forging & ring rolling. Strong at: 2xxx / 7xxx forged ring, Ø 200–4,000 mm. MOQ Per drawing, lead time 30–45 days.

## Key pages

- / — homepage: product range, grade selector, weight calculator
- /products/ — all 19 categories with spec tables
- /aluminum-grades/ — alloy series guide, 1xxx to 8xxx
- /applications/ — eight end-use industries and the grades each one uses
- /quality-control/ — inspection checklist, EN 10204 2.2 vs 3.1, claims process
- /mill-allocation/ — which mill region runs what, and why names are withheld
- /request-a-quote/ — enquiry form (accepts drawings up to 10 MB)
- /request-a-sample/ — free A4 samples of stocked grades and finishes
- /tools/weight-calculator/ — aluminium weight calculator with per-alloy density
- /faq/ — frequently asked questions

## Reference library (written for citation)

Guides:
- /guides/5052-vs-6061/ — 5052 vs 6061: Which Aluminium Alloy Do You Actually Need
- /guides/aluminium-temper-designations/ — Aluminium Temper Designations: What O, H and T Actually Mean
- /guides/en-10204-certificates/ — EN 10204 Certificates: 2.1, 2.2, 3.1 and 3.2 Explained
- /guides/anodising-film-thickness/ — Anodising Film Thickness Classes: AA5 to AA25
- /guides/astm-b209-en-485-gbt-3880/ — ASTM B209 vs EN 485 vs GB/T 3880: Reading Three Standards
- /guides/coil-vs-cut-to-length/ — Coil or Cut-to-Length Sheet: Choosing the Supply Form

Failure modes (symptom pages):
- /aluminum-problems/foil-pinhole/ — Pinholes in Aluminium Foil
- /aluminum-problems/sheet-camber/ — Camber and Wavy Edge in Sheet & Coil
- /aluminum-problems/weld-cracking-5083/ — Weld Cracking & Sensitisation in 5xxx Plate
- /aluminum-problems/anodising-colour-variation/ — Anodising Colour Variation
- /aluminum-problems/gauge-out-of-tolerance/ — Thickness Out of Tolerance
- /aluminum-problems/coil-telescoping/ — Telescoped or Loose Coil
- /aluminum-problems/slitting-burr/ — Burr on Slit Aluminium Strip
- /aluminum-problems/water-staining/ — Water Staining & White Rust in Transit

Market references (standards, ports, documentation — not shipment claims):
- /markets/ — index. Trade measures are deliberately not published; they change and are confirmed per quotation.
- /markets/australia/ — Australia
- /markets/united-states/ — United States
- /markets/germany/ — Germany
- /markets/united-kingdom/ — United Kingdom
- /markets/japan/ — Japan
- /markets/united-arab-emirates/ — United Arab Emirates

## Alloy selection quick facts

- 1xxx (Commercial Pure Aluminium): 99%+ aluminium. Best formability, corrosion resistance and conductivity; lowest strength. Grades: 1050, 1060, 1070, 1100, 1235. Used for: Cookware · Foil · Signage · Chemical equipment · Heat exchanger fin
- 2xxx (Aluminium–Copper): Heat-treatable, aircraft-grade strength. Lower corrosion resistance — usually clad or painted. Grades: 2014, 2024, 2A12, 2219. Used for: Aircraft structure · Truck wheel · Screw machine part · High-load fitting
- 3xxx (Aluminium–Manganese): The workhorse non-heat-treatable series. 20% stronger than 1xxx, still very formable. Grades: 3003, 3004, 3005, 3105, 3A21. Used for: Roofing · Siding · Beverage can body · Heat exchanger · Cooking utensil
- 5xxx (Aluminium–Magnesium): The marine series. Magnesium buys strength and seawater resistance without heat treatment. Grades: 5005, 5052, 5083, 5086, 5182, 5251, 5754, 5A06. Used for: Ship hull · Vehicle body · Pressure vessel · Offshore platform · Cryogenic tank
- 6xxx (Aluminium–Magnesium–Silicon): The extrusion series. Combines extrudability, strength and anodising response. Grades: 6060, 6061, 6063, 6005, 6082, 6463. Used for: Window & door frame · Solar frame · Heat sink · Structural section · Automotive cradle
- 7xxx (Aluminium–Zinc): The highest-strength commercial series. Requires full traceability. Grades: 7005, 7050, 7075, 7A09. Used for: Aircraft structure · Aerospace tooling · Bicycle frame · High-stress mould
- 8xxx (Aluminium–Other (Foil & Special)): Foil alloys plus lithium and iron-nickel specials. Grades: 8011, 8021, 8079. Used for: Household foil · Pharma blister · Capacitor foil · Cable wrap

## Optional

- /sitemap.xml — full URL list
- /privacy-policy/ — data handling