ASTM A815 — Wrought ferritic, ferritic/austenitic and martensitic stainless steel piping fittings
ASTM A815 covers wrought duplex (ferritic/austenitic), ferritic and martensitic stainless steel fittings — elbows, tees, reducers and caps — for pressure piping. It is the standard specification for duplex and super duplex butt-weld fittings such as WPS31803, WPS32205, WPS32750 and WPS32760.
ASTM A815 at a glance
| Standard | ASTM A815 |
|---|---|
| Issued by | ASTM / ASME (SA-815) |
| Product form | Butt-weld fittings |
| Typical use | Duplex and super duplex butt-weld fittings |
| Grades on this site | 6 |
Equivalent and related standards
ASTM A815 grades — chemistry and mechanical properties
| Grade | UNS | C% | Cr% | Ni% | Mo% | YieldMPa min | TensileMPa min |
|---|---|---|---|---|---|---|---|
| ASTM A815 WPS31803 | S31803 | 0.030 max | 21.0–23.0 | 4.5–6.5 | 2.5–3.5 | 450 | 620 |
| ASTM A815 WPS32205 | S32205 | 0.030 max | 22.0–23.0 | 4.5–6.5 | 3.0–3.5 | 450 | 655 |
| ASTM A182 F53 (Super Duplex 2507) | S32750 | 0.030 max | 24.0–26.0 | 6.0–8.0 | 3.0–5.0 | 550 | 800 |
| ASTM A182 F55 (Super Duplex S32760) | S32760 | 0.030 max | 24.0–26.0 | 6.0–8.0 | 3.0–4.0 | 550 | 750 |
| ASTM A815 WPS32750 | S32750 | 0.030 max | 24.0–26.0 | 6.0–8.0 | 3.0–5.0 | 550 | 800 |
| ASTM A815 WPS32760 | S32760 | 0.030 max | 24.0–26.0 | 6.0–8.0 | 3.0–4.0 | 550 | 750 |
Reference information compiled from the published standard for convenience. It does not replace the current edition of the governing standard, which takes precedence. Verify critical dimensions and properties before design, purchase or fabrication. Teshi Engineers & Sales Promoters (P) Ltd accepts no liability for errors or omissions.
FAQ
ASTM A815: common questions
Which grades does ASTM A815 cover?
On this site: ASTM A815 WPS31803, ASTM A815 WPS32205, ASTM A182 F53 (Super Duplex 2507), ASTM A182 F55 (Super Duplex S32760), ASTM A815 WPS32750, ASTM A815 WPS32760. Open any grade for its full chemical composition, mechanical properties and PDF data sheet.
Does Teshi Group supply material to ASTM A815?
Teshi Group manufactures flanges, fittings, fasteners and valves, and supplies pipes and plates, to ASTM / ASME specifications and to equivalent EN, JIS, GB and IS standards on request, with EN 10204 3.1 certificates. Send your requirement to info@teshigroup.com.
Other butt-weld fittings standards
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