High Temperature Austenitic Stainless Steel Pipe ASTM 309S Seamless Square Tube
ASTM 309S Austenitic Stainless Steel Seamless Square Pipes High Temperature
Wenzhou Shangle Steel Co., Ltd. (Shangle) founded in 2017,is a comprehensive company integrating industry and trade.As a leading supplier of stainless steel products in Wenzhou, it has a wide range of products in stock that have been rigorously tested and are ready to be shipped.
Description:
Stainless steels are called as high-alloy steels. Due to the presence of large amounts of chromium in the range of 4 to 30%, they have high corrosion resistance than other steels. Stainless steels are classified into Martensitic, Ferritic and Austenitic based on their crystalline structure. However, stainless steels present in the form of a combination of Martensitic and Austenitic steels are known as precipitation-hardened steels.
309S Seamless Pipe Chemical Composition:
| HEAT NO. | CHEMICAL COMPOSITION (%) | |||||||||
| Fe | Cr | P | S | Si | Ni | C | Mo | N | ||
| STAND. | MIN. | |||||||||
| MAX. | 60 | 23 | 0.045 | 0.030 | 2.00 | 14 | 0.08 | |||
309S Seamless Pipe Mechanical Properties:
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) | Brinell (HB) | ||||
| TP310S | 620 | 310 | 45 | 85 | 147 |
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