Sulphur-bearing austenitic grade for fast turning and CNC machining; lower corrosion resistance than 304 and not recommended for welding.
The same grade is named differently in each standard. Use the table to check a match.
| System | Designation |
|---|---|
| AISI / ASTM | AISI 303 |
| EN material number | 1.4305 |
| EN steel name (DIN EN 10088) | X8CrNiS18-9 |
| UNS | S30300 |
| JIS | SUS303 |
Typical values, wt %, per EN 10088-2 and ASTM A240.
ASTM A240 minimums for annealed material; a dash means the value depends on product form.
Pick a product form to see the available sizes and finishes.
Tell us the form, dimensions and quantity. We send a quote with an EN 10204 3.1 certificate on request.
The data is for guidance and does not replace the heat certificate. The binding values are those of the standard and the manufacturer's certificate.