403 (UNS S40300)
403 — Alloy and stainless steel in the martensitic & ferritic stainless (400 series) group, supplied to order by DMK Alloys.
- Family
- Alloy & Stainless Steels
- Group
- Martensitic & ferritic stainless (400 series)
- UNS
- S40300
- Supply
- To order
About 403
403 is a alloy and stainless steel in DMK Alloys' martensitic & ferritic stainless (400 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 403 — composition limits, typical properties and specification cross-references — is available from the export team on request.
| Attribute | Value |
|---|---|
| Designation | 403 |
| Material family | Alloy & Stainless Steels |
| Group | Martensitic & ferritic stainless (400 series) |
| UNS number | S40300 |
| 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 403 are confirmed per enquiry.
Request 403 to your specification
State the governing standard, form, dimensions, quantity and certification needs — the export team confirms availability and quotes.