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Safe and 309S stainless steel is an austenitic stainless steel whose composition includes chromium, nickel and manganese. It contains less carbon than its 309 counterpart, making it more resistant to corrosion and oxidation at high temperatures. This makes it ideal for use in environments where heat resistance is required, such as furnaces or boilers.
The "S" in 309S stands for "low carbon," which means that this alloy has improved weldability and formability compared to other types of stainless steel. The low carbon content also helps prevent sensitization during welding, reducing the risk of cracking along grain boundaries.
Overall, 309S stainless steel offers excellent strength, durability, and versatility in a range of applications. Its unique properties make it an attractive choice for those looking for a reliable and long-lasting material that can withstand harsh conditions without rusting or wearing out over time.
309S Stainless Steel Coil Specification
| Product Name | Stainless Steel Coil/strip |
| Length | as required |
| Width | 3mm-2500mm or as required |
| Thickness | 0.03mm-300mm or as required |
| Standard | AISI,ASTM,DIN,JIS,GB,JIS,SUS,EN,etc |
| Technique | Hot rolled / cold rolled |
| Surface Treatment | 2B or according to customer requirement |
| Thickness Tolerance | ±0.02mm |
| Material | 201, 202, 301, 302, 303, 304, 304L, 304H, 310S, 316, 316L, 317L, 321,310S 309S, 410, 410S,420, 430, 431, 440A,904L |
| Application | It is widely used in high temperature applications, medical devices, building materials, chemistry, food industry, agriculture,ship components.It also applies to food, beverage packaging, kitchen supplies, trains, aircraft, conveyor belts, vehicles, bolts, nuts, springs,and screen. |
| MOQ | 1 ton , We can accept sample order. |
| Shipment Time | Within 3-5 workdays after receiving deposit |
| Export Packing | Waterproof paper, and steel strip packed.Standard Export Seaworthy Package.Suit for all kinds of transport,or as required |
| Capacity | 300,000 tons/year |
309S Stainless Steel Coil Chemical composition
Element | Type |
Carbon | 0.08 max. |
Manganese | 2.00 max. |
Sulfur | 0.030 max. |
Phosphorus | 0.045 max. |
Silicon | 0.75 max. |
Chromium | 22.0 – 24.0 |
Nickel | 12.0 – 15.0 |
309S Stainless Steel Coil Mechanical property
Type | Yield Strength 0.2% offset (KSI) | Tensile Strength (KSI) | % Elongation (2″ Gauge length) |
309S | 30 min. | 75 min. | 40 min. |
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