309S Stainless Steel
WLD Steel is a leading manufacturer, supplier and exporter of the stainless steel 309/309S available in a number of different sizes and forms including pipe, tube, sheet, plate, bar, rod and other shapes like an angel, channel, circle and so on. The 309S is a type of free-cutting stainless steel with sulfur-containing, is a low carbon of 309 stainless steel. The low carbon making it minimizes carbide precipitation and improves weldability. It can withstand repeated heating below 980 ℃, with high-temperature strength and oxidation resistance, anti-carburizing performance has been widely used in boilers, energy (nuclear power, thermal power, fuel cells), industrial furnace, incinerator, heating furnace, chemical, petrochemical and other fields.
What’s the 309S available forms and specifications at WLD Steel?
Sheet/plate/coil | Seamless pipe/tube | Welded pipe/tube | Round bar | Formed steel(Shaped) |
ASTM A240 | ASTM A789;
ASTM A790 |
ASTM A928 | ASTM A276;
ASTM A479 |
ASTM A276 |
309S Steel Equivalent Materials
Sheet/plate/coil | Seamless pipe/tube | Welded pipe/tube | Round bar | Formed steel(Shaped) |
ASTM A240 | ASTM A789;
ASTM A790 |
ASTM A928 | ASTM A276;
ASTM A479 |
ASTM A276 |
309S Chemical Composition
ASTM/AISI | UNS | SAE | JIS | DIN | GB |
309S | S30908 | 30309S | SUS 309 | X7CrNi23.14 | 0Cr23Ni13 |
309S Mechanical Properties
Grade | Ni | Cr | C | Mn | Si | S | P | Fe |
309S | 12.0-15.0 | 22.0-24.0 | 0.08 | 2.0 | 0.75 | 0.03 | 0.045 | Balance |