Key features
Corrosion resistance: 309/309S stainless steel has good acid and alkali resistance and can resist the erosion of corrosive media such as acids and alkalis.
High temperature resistance: It can withstand repeated heating below 980°C, has high high temperature strength and oxidation resistance, anti-carburization performance, and the heat resistance temperature can reach 1000 degrees.
309/309S stainless steel coil application
Chemical industry: Used to manufacture equipment such as reactors and distillation towers, effectively resisting the erosion of acid and alkali solutions. High temperature environment: Suitable for the internal structure of high-temperature furnaces, furnace tubes, rotors, equipment in molten salt corrosion environments, etc.
Chemical composition: (A167, A240)
| Element | Type 309 |
Type 309S |
|---|---|---|
| Carbon | 0.20 max. | 0.08 max. |
| Manganese | 2.00 max. | 2.00 max. |
| Sulfur | 0.030 max. | 0.030 max. |
| Phosphorus | 0.045 max. | 0.045 max. |
| Silicon | 0.75 max. | 0.75 max. |
| Chromium | 22.0 – 24.0 | 22.0 – 24.0 |
| Nickel | 12.0 – 15.0 | 12.0 – 15.0 |
Mechanical properties: (AST MA167, A240)
| Type | Yield Strength 0.2% offset (KSI) | Tensile Strength (KSI) | % Elongation (2″ Gauge length) |
|---|---|---|---|
| 309 | 30 min. | 75 min. | 40 min. |
| 309S | 30 min. | 75 min. | 40 min. |
Why choose GNEE
GNEE has twelve 8-22 inch cold drawing unit production lines and supporting pickling, annealing and automatic grinding equipment. The production adopts a real-time online process display and tracking system to effectively ensure production time and quality. The annual production capacity is about 20,000 tons.
Contact us now for a free estimate.
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Q: Can we visit your factory?
A: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.
Q: Can you provide OEM/ODM service?
A: Yes. Please feel free to contact us for more detail discussion.
Do you have quality control?
A.Yes, we have got BV.SGS certification.
