304 L Stainless Steel UNS S30403 Pipe
gnee pipe team
S30403 stainless steel pipe is a low-carbon version of 304 stainless steel. The main components are chromium and nickel, which can improve its corrosion resistance and oxidation resistance. At the same time, its carbon content is low, which is beneficial to avoid carbide precipitation and intergranular corrosion during the welding process. The performance of S30403 stainless steel round pipe is similar to that of 304 stainless steel pipe, but it has better corrosion resistance and weldability, and is suitable for manufacturing equipment and components with high requirements.
Seamless S30403 stainless steel is an excellent stainless steel material with good corrosion resistance, weldability and mechanical properties. It is widely used in chemical industry, petroleum, food processing, pharmaceuticals, medical equipment, construction and decoration and other fields.
The carbon content in the composition of UNS S30403 Seamless Pipes is lower than that of 304 stainless steel, usually less than 0.03%. This reduces the risk of carbide precipitation and intergranular corrosion during welding. In addition, the chromium and nickel contents of UNS S30403 Fabricated Pipes are 18-20% and 8-12% respectively, which also improves its corrosion resistance and oxidation resistance.
Stainless Steel UNS S30403 Pipes Equivalent Grades
| Grade | 304L | |
| UNS No | S30403 | |
| Old British | BS | 304S11 |
| En | 58E | |
| Euronorm | No | 1.4306 / 1.4307 |
| Name | X5CrNi18-10 | |
| Swedish SS | 2332 | |
| Japanese JIS | SUS 304L | |
UNS S30403 Pipes Physical Properties
| Grade | UNS S30403 | |
|---|---|---|
| Density (kg/m3) | 8000 | |
| Elastic Modulus (GPa) | 193 | |
| Mean Coefficient of Thermal Expansion (m/m/0C) | 0-1000C | 17.2 |
| 0-3150C | 17.8 | |
| 0-5380C | 18.4 | |
| Thermal Conductivity (W/m.K) | at 1000C | 16.2 |
| at 5000C | 21.5 | |
| Specific Heat 0-1000C (J/kg.K) | 500 | |
| Electrical Resistivity (n.m) | 720 | |
Stainless Steel UNS S30403 Pipes
Cold-drawn S30403 stainless steel pipe This material can be used to manufacture high-strength, corrosion-resistant components, such as bridges, high-rise buildings, etc.; in the petrochemical industry, this material can be used to manufacture pipes, valves, storage tanks and other equipment; in the food processing field, this material Materials can be used to make food processing equipment, tableware, and more.
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