ASTM B462 — Forged or rolled nickel alloy pipe flanges, forged fittings and valves for corrosive high-temperature service
ASTM B462 covers forged nickel-alloy and super-austenitic flanges, fittings and valve parts for corrosive high-temperature service, including N08020 (Alloy 20), N08367, N06022, N10276 and others.
ASTM B462 at a glance
| Standard | ASTM B462 |
|---|---|
| Issued by | ASTM / ASME (SB-462) |
| Product form | Forged flanges and fittings |
| Typical use | Alloy 20 and nickel alloy flanges |
| Grades on this site | 2 |
Equivalent and related standards
ASTM B462 grades — chemistry and mechanical properties
| Grade | UNS | C% | Cr% | Ni% | Mo% | YieldMPa min | TensileMPa min |
|---|---|---|---|---|---|---|---|
| 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 |
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 B462: common questions
Which grades does ASTM B462 cover?
On this site: ASTM A182 F62 (Alloy 6XN), ASTM B462 Alloy 20 (UNS N08020). Open any grade for its full chemical composition, mechanical properties and PDF data sheet.
Does Teshi Group supply material to ASTM B462?
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.

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