ASTM A995 — Castings, austenitic-ferritic (duplex) stainless steel, for pressure-containing parts
ASTM A995 covers duplex and super duplex stainless steel castings for valves, flanges and pressure-containing parts, including Grades 1B (CD4MCuN), 2A, 3A, 4A (CD3MN), 5A (CE3MN) and 6A (CD3MWCuN).
ASTM A995 at a glance
| Standard | ASTM A995 |
|---|---|
| Issued by | ASTM / ASME (SA-995) |
| Product form | Castings |
| Typical use | Duplex and super duplex valve bodies |
| Grades on this site | 3 |
Equivalent and related standards
ASTM A995 grades — chemistry and mechanical properties
| Grade | UNS | C% | Cr% | Ni% | Mo% | YieldMPa min | TensileMPa min |
|---|---|---|---|---|---|---|---|
| ASTM A995 Grade 4A (CD3MN) | J92205 | 0.03 max | 21.0–23.5 | 4.5–6.5 | 2.5–3.5 | 415 | 620 |
| ASTM A995 Grade 5A (CE3MN) | J93404 | 0.03 max | 24.0–26.0 | 6.0–8.0 | 4.0–5.0 | 515 | 690 |
| ASTM A995 Grade 6A (CD3MWCuN) | J93380 | 0.03 max | 24.0–26.0 | 6.5–8.5 | 3.0–4.0 | 450 | 690 |
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 A995: common questions
Which grades does ASTM A995 cover?
On this site: ASTM A995 Grade 4A (CD3MN), ASTM A995 Grade 5A (CE3MN), ASTM A995 Grade 6A (CD3MWCuN). Open any grade for its full chemical composition, mechanical properties and PDF data sheet.
Does Teshi Group supply material to ASTM A995?
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 castings standards
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