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309S stainless steel plate
309S stainless steel plate is a 23Cr‑13Ni high‑alloy stainless steel. It features excellent corrosion resistance and strength, and is suitable for components operating at a working temperature of 1000℃.
Features and Practical Uses:
steel grade | 309S |
Feature | High‑alloy stainless steel with excellent high‑temperature acid resistance and high‑temperature strength |
Purpose | exhaust machines, heat‑treatment furnaces, heat exchangers, etc. |
Chemical composition（wt%）
| Specifications | C | Si | Mn | P | S | Cr | Ni |
TYPE309S | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 22.00~24.00 | 12.00~15 |
Mechanical properties
| Specifications | YS(Mpa) | TS(Mpa) | EI(%) | Hv |
TYPE309S | ≥205 | ≥520 | ≥40 | ≤200 |
