309 (UNS S30900)
309 — Alloy and stainless steel in the austenitic stainless (300 series) group, supplied to order by DMK Alloys.
- Family
- Alloy & Stainless Steels
- Group
- Austenitic stainless (300 series)
- UNS
- S30900
- Supply
- To order
About 309
309 is a alloy and stainless steel in DMK Alloys' austenitic stainless (300 series) group. It is part of the extended supply range: material is produced or sourced against the governing specification stated on your purchase order, rather than sold from a stockholder's shelf.
Certified chemistry and mechanical properties are issued with the material to the ordered specification. A full published datasheet for 309 — composition limits, typical properties and specification cross-references — is available from the export team on request.
| Attribute | Value |
|---|---|
| Designation | 309 |
| Material family | Alloy & Stainless Steels |
| Group | Austenitic stainless (300 series) |
| UNS number | S30900 |
| Specification systems | UNS · AMS · ASTM · EN · British S-numbers |
| Supply basis | To order, against your governing specification |
Typical supplied forms
- Bars and billets
- Forged blanks
- Plate and sheet
- Precision-ground bar
- Machined components to drawing
Forms and dimensional ranges for 309 are confirmed per enquiry.
Request 309 to your specification
State the governing standard, form, dimensions, quantity and certification needs — the export team confirms availability and quotes.