1. Summary:
Austenitic stainless steel. Compared with 304, high nickel. Excellent flexibility and functionality of the welded part.
2. Features:
1) Good weldability;
2) Good bending performance;
3) Hardening occurs after heat treatment;
4) Non-magnetic;
3. Scope of application
Chemical containers, mechanical equipment parts, heat-resistant equipment parts, cryogenic container parts, etc.
4. SUS305 chemical composition (JIS G 4305-2005) (wt%)
| Grade | C | Si | Mn | Cr | P | S | Ni |
SUS305 | ≤0.12 | ≤1.0 | ≤2.0 | 17~19 | ≤0.045 | ≤0.030 | 10.5~13.0 |
Actual | 0.08 | 0.4 | 1.2 | 17.3 | 0.008 | 0.006 | 10.8 |
5. SUS305 mechanical properties
| Distinguish | YS（MPa） | TS（MPa） | EL | Hv |
| Standard | ≥175 | ≥480 | ≥40 | ≤200 |
| Actual | 305 | 630 | 58 | 164 |
6. Use status
Annealing and solid solution state: NO.1, 2D, 2B, etc.
7. Application of SUS305:
SUS305 increases the content of nickel metal than 304, and has better aging and deep drawing performance than 304, and can be widely used in various applications.