Aluminum Alloys Equivalent Table
Compare international alloy specifications with confidence.
International Standards Equivalence for Secondary Aluminum Alloys
This reference document enables SL Metals customers and commercial counterparts in USA, Japan, China, Europe, and South America to identify exact equivalencies between SL Metals supplied grades and their locally applicable standards. All alloys are available in ingot form, with full Certificate of Analysis (CoA) per shipment.
1. Alloy Grade Equivalence — SL Metals Grades vs. International Standards
The table below maps each SL Metals supply grade to its closest equivalent designation under ASTM/AA (USA), JIS (Japan), EN 1706 (Europe), and GB/T (China) standards.
| SL Metals Grade | JIS (Japan) | ASTM/AA (USA) | EN 1706 (Europe) | GB/T (China) | Application / Notes |
|---|---|---|---|---|---|
| Primary Die-Casting Alloys | |||||
| ADC12 | JIS H 2118 ADC12 |
ASTM B85 A383 / 383 |
EN 1706 AC-46000 (AlSi12Cu1Fe) |
GB/T 15115 YL113 |
General-purpose die casting; automotive housings, covers |
| A380 | JIS H 2118 ADC10 |
ASTM B85 A380 / 380 |
EN 1706 AC-46200 (AlSi8Cu3) |
GB/T 15115 YL102 |
Automotive and high-strength die casting |
| AlSi9Cu3 | JIS H 2118 ADC10Z |
— | EN 1706 AC-46000 (AlSi9Cu3) |
GB/T 15115 ZAlSi9Cu4 |
Automotive & industrial; gearboxes, brackets |
| AlSi10Cu | JIS H 2118 ADC12Z |
— | EN 1706 AC-46100 (AlSi10Cu1Mg) |
GB/T 8733 ZAlSi10Cu1 |
Gravity & pressure die casting; complex shapes |
| Al-Si-Mg (RSI / 356 off-grade) |
JIS H 2118 ADC5 (approx.) |
356.0 / A356.0 | EN 1706 AC-42100 (AlSi7Mg) |
GB/T 8733 ZAlSi7Mg |
Low-iron alloy; wheels, structural gravity casting |
| Al-Si-Mg (RSI / 380 off-grade) |
ADC12-Off grades | 380.0 off-grade | |||
Note: Exact composition ranges may vary by production lot. SL Metals supplies alloys to customer-specific chemistry requirements. All compositions verified by mill cert (CoA) per shipment.
2. Chemical Composition Reference (% by Weight)
Typical chemical composition ranges for each major alloy grade. SL Metals supplies to customer-specified chemistry requirements. A Certificate of Analysis is provided with every shipment.
| Alloy Grade | Si % | Cu % | Mg % | Fe % (max) |
Mn % (max) |
Zn % (max) |
Al | Standard Ref. |
|---|---|---|---|---|---|---|---|---|
| Chemical Composition Ranges (% by weight) | ||||||||
| ADC12 | 9.6–12.0 | 1.5–3.5 | ≤0.30 | ≤1.30 | ≤0.50 | ≤1.00 | Bal. | JIS H 2118 / EN AC-46000 / GB YL113 |
| A380 / ADC10 | 7.5–9.5 | 3.0–4.0 | ≤0.10 | ≤1.30 | ≤0.50 | ≤3.00 | Bal. | ASTM B85 / JIS H 2118 / EN AC-46200 |
| AlSi9Cu3 | 8.0–11.0 | 2.0–4.0 | ≤0.55 | ≤1.30 | ≤0.55 | ≤1.20 | Bal. | EN AC-46000 / JIS ADC10Z |
| AlSi10Cu | 9.0–11.0 | 0.7–1.2 | ≤0.50 | ≤1.10 | ≤0.55 | ≤0.55 | Bal. | EN AC-46100 / JIS ADC12Z |
| 356 / Al-Si-Mg | 6.5–7.5 | ≤0.25 | 0.25–0.45 | ≤0.60 | ≤0.35 | ≤0.35 | Bal. | ASTM 356 / EN AC-42100 / GB ZAlSi7Mg |
All values are typical ranges. Actual CoA per shipment. SL Metals can supply to tighter tolerances upon request. 'Bal.' = balance aluminum.
3. Regional Standards Cross-Reference Matrix
Quick-reference matrix for procurement teams working across multiple national standards. Each column shows the designation used in that standards body for approximately equivalent alloy chemistry.
| Standard (Region) | ≈ ADC12 | ≈ A380 | ≈ AlSi9Cu3 | ≈ AlSi10Cu | Notes |
|---|---|---|---|---|---|
| Regional Standards Cross-Reference | |||||
| JIS H 2118 (Japan) | ADC12 | ADC10 | ADC10Z | ADC12Z | Most common standard in Japan
and Taiwan; used by major Japanese OEMs |
| ASTM B85 (USA) | A383 / 383 | A380 / 380 | — | — | ASTM is the primary North American standard; widely referenced globally |
| EN 1706 (Europe) | AC-46000 | AC-46200 | AC-46000 | AC-46100 | European standard used by German, Italian, and Eastern European die casters; common in South America as well |
| GB/T 15115 (China) | YL113 | YL102 | ZAlSi9Cu4 | — | Chinese national standard; China is the world's largest secondary aluminum consumer |
| DIN 226 (Germany, legacy) | GD-AlSi12(Cu) | GD-AlSi8Cu3 | GD-AlSi9Cu3 | — | Superseded by EN 1706 but still referenced in older contracts and legacy specs |
To request a quote, please provide: alloy grade (or local standard designation), quantity (MT or FCL), destination port, packaging preference, and company introduction.