ASTM A333 — Seamless and welded steel pipe for low-temperature service
ASTM A333 covers seamless and welded carbon and alloy steel pipe for low-temperature service, with mandatory Charpy impact testing. Grade 6 (carbon–manganese, impact-tested at −45 °C) and Grade 3 (3.5 % nickel, −100 °C) are the most common.
ASTM A333 at a glance
| Standard | ASTM A333 |
|---|---|
| Issued by | ASTM / ASME (SA-333) |
| Product form | Pipe |
| Typical use | Low-temperature pipe |
| Grades on this site | 2 |
Equivalent and related standards
ASTM A333 grades — chemistry and mechanical properties
| Grade | UNS | C% | Cr% | Ni% | Mo% | YieldMPa min | TensileMPa min |
|---|---|---|---|---|---|---|---|
| ASTM A333 Grade 6 | K03006 | 0.30 max | — | — | — | 240 | 415 |
| ASTM A333 Grade 3 | K31918 | 0.19 max | — | 3.18–3.82 | — | 240 | 450 |
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 A333: common questions
Which grades does ASTM A333 cover?
On this site: ASTM A333 Grade 6, ASTM A333 Grade 3. Open any grade for its full chemical composition, mechanical properties and PDF data sheet.
Does Teshi Group supply material to ASTM A333?
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.
Ready to build to spec?
Share your drawing, bill of materials or technical requirements with the Teshi team.