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Mature Technical 
Safe and Color coated 309 309S stainless steel coil generally exhibits good high temperature strength, creep resistance and corrosion resistance. Therefore, they are widely used in furnace parts in the stainless steel heat treatment industry, such as conveyor belts, rollers, furnace heads, refractory backing plates, pipe hangers, etc. This stainless steel is also used in the chemical processing industry, mainly carrying hot concentrated acids, ammonia and disulfides. In the food processing industry, it can also come into contact with hot acetic acid and citric acid.
309 Stainless Steel Coil Specification
Product name | Color Coated 309 309S Stainless Steel Coil |
Technique | Cold Rolled/ Hot Rolled |
Surface | BA/2B/NO.1/NO.3/Customized |
Material | 309 |
Color | Natural Color |
Shape | Stainless Steel Coil |
Edge | Mill Edge Slit Edge |
Surface finish | 2B/BA/HAIRLINE/8K/NO.4/No.1 |
Package | Standard Sea-worthy Packing |
309 Stainless Steel Coil Chemical composition
Element | Type |
Carbon | 0.20 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 |
309 Stainless Steel Coil Mechanical property
Type | Yield Strength 0.2% offset (KSI) | Tensile Strength (KSI) | % Elongation (2″ Gauge length) |
309 | 30 min. | 75 min. | 40 min. |
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