ASTM B366 — Factory-made wrought nickel and nickel alloy fittings
ASTM B366 covers wrought nickel and nickel-alloy butt-weld and socket-weld fittings made to ASME B16.9, B16.11 and B16.28 — for example WPNCMC (Alloy 625), WPNICMC (Alloy 825), WPHC276, WPNC (Alloy 400).
ASTM B366 at a glance
| Standard | ASTM B366 |
|---|---|
| Issued by | ASTM / ASME (SB-366) |
| Product form | Butt-weld fittings |
| Typical use | Nickel alloy butt-weld fittings |
| Grades on this site | 11 |
Equivalent and related standards
ASTM B366 grades — chemistry and mechanical properties
| Grade | UNS | C% | Cr% | Ni% | Mo% | YieldMPa min | TensileMPa min |
|---|---|---|---|---|---|---|---|
| UNS N08904 (904L) | N08904 | 0.020 max | 19.0–23.0 | 23.0–28.0 | 4.0–5.0 | 215 | 490 |
| ASTM A182 F62 (Alloy 6XN) | N08367 | 0.030 max | 20.0–22.0 | 23.5–25.5 | 6.0–7.0 | 310 | 655 |
| ASTM B462 Alloy 20 (UNS N08020) | N08020 | 0.07 max | 19.0–21.0 | 32.0–38.0 | 2.00–3.00 | 240 | 550 |
| Alloy 625 (UNS N06625) | N06625 | 0.10 max | 20.0–23.0 | 58.0 min | 8.0–10.0 | 414 | 827 |
| Alloy 600 (UNS N06600) | N06600 | 0.15 max | 14.0–17.0 | 72.0 min | — | 240 | 550 |
| Alloy 825 (UNS N08825) | N08825 | 0.05 max | 19.5–23.5 | 38.0–46.0 | 2.5–3.5 | 241 | 586 |
| Alloy 800 / 800H / 800HT | N08800 / N08810 / N08811 | 0.10 max (800), 0.05–0.10 (800H), 0.06–0.10 (800HT) | 19.0–23.0 | 30.0–35.0 | — | 207 | 517 |
| Alloy C-276 (UNS N10276) | N10276 | 0.010 max | 14.5–16.5 | balance | 15.0–17.0 | 283 | 690 |
| Alloy C-22 (UNS N06022) | N06022 | 0.015 max | 20.0–22.5 | balance | 12.5–14.5 | 310 | 690 |
| Alloy 400 (UNS N04400) | N04400 | 0.3 max | — | 63.0 min (incl. Co) | — | 172 | 483 |
| Nickel 200 / 201 (UNS N02200 / N02201) | N02200 / N02201 | 0.15 max (200), 0.02 max (201) | — | 99.0 min | — | 105 | 380 |
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 B366: common questions
Which grades does ASTM B366 cover?
On this site: UNS N08904 (904L), ASTM A182 F62 (Alloy 6XN), ASTM B462 Alloy 20 (UNS N08020), Alloy 625 (UNS N06625), Alloy 600 (UNS N06600), Alloy 825 (UNS N08825), Alloy 800 / 800H / 800HT, Alloy C-276 (UNS N10276), Alloy C-22 (UNS N06022), Alloy 400 (UNS N04400), Nickel 200 / 201 (UNS N02200 / N02201). Open any grade for its full chemical composition, mechanical properties and PDF data sheet.
Does Teshi Group supply material to ASTM B366?
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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