The United Kingdom equivalent of EN AW-7020 (3.4335) is H17 with a 95% composition match.
🇬🇧 United Kingdom equivalent of
EN AW-70203.4335
Standard: BS · Source: BS 1474
British designation
Quick Facts
| Original | 🇬🇧 Equivalent | |
|---|---|---|
| Designation | EN AW-7020 | H17 |
| Material Number | 3.4335 | — |
| Standard | EN 573-3 | BS |
| Category | Aluminum | Aluminum |
Frequently Asked Questions
Is EN AW-7020 the same as H17?
EN AW-7020 (EN 573-3) and H17 (BS) are near-equivalent grades with a 95% composition overlap. Both are aluminum grades. Minor differences may exist in alloying element ranges. For most applications, they are interchangeable. Always verify against the applicable specification for safety-critical components.
Can I substitute EN AW-7020 with H17?
In most cases, yes. The chemical composition ranges overlap significantly (95%). However, verify mechanical property requirements for your specific application, as heat treatment practices may differ between EN 573-3 and BS standards.
What is the BS equivalent of EN AW-7020?
The BS equivalent of EN AW-7020 (3.4335) is H17, specified in BS 1474.
Other International Equivalents
| Country | Standard | Grade | Match | |
|---|---|---|---|---|
| 🇪🇺 | Europe | EN | EN AW-7020 / AlZn4.5Mg1 | 100% |
| 🇫🇷 | France | AFNOR | A-Z5G | 93% |
Related Comparisons
Data provided for reference only. Always verify against the applicable specification for critical applications. Source: EN 573-3, BS 1474.
All data is for reference only. Equivalents indicate similarity, not identity. Always verify against the applicable specification for safety-critical applications. materialref.com accepts no liability for decisions based on this data.