Australia · AS
304
AS/NZS 1769:1975 — Welded stainless steel tubes for plumbing applications
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| C | 0.08 | |||
| Cr | 18 | 20 | ||
| Cu | 0.35 | |||
| Mn | 2 | |||
| Mo | 0.35 | |||
| N | 0.1 | |||
| Ni | 8 | 10.5 | ||
| P | 0.045 | |||
| S | 0.03 | |||
| Si | 0.75 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| steel tubes | ≥500 | ≥25 |