SS 253MA UNS S30815 , is a high temperature stainless steel that operates effectively at temperatures up to 1150°C, making it particularly suitable for heat exchanger tubing. The silicon and nitrogen content provide stability in oxidizing and carburizing environments. The chromium and nickel content in 253MA Stainless Steel Pipe ensures its resistance to oxidation, sulfide and chloride attack, especially in high temperature steam or corrosive gas environments.
Advantages of 253 MA Seamless Tubes
Using cold drawn seamless tubes allows for withstanding pressure fluctuations and thermal expansion compared to welded tubes.
Thermal Conductivity and Stability
253MA Alloy maintains its integrity under thermal cycling, reducing the risk of cracking or deformation in heat exchangers.
SS 253MA Stainless Chemical Composition:
- Nickel (up to 11%)
- Chromium (20-22%)
- Silicon (1.6%)
- Nitrogen (0.14%)
Manufacturing Process: Cold Drawing
- 1. Piercing and rolling
- 2. Cold drawing
- 3. Annealing
- 4. Finishing
Applications in 253MA S30815 Heat Exchangers
- Petrochemical industry
- Power plants
- Boiler systems
- Superheaters and reheaters
- Chemical processing
- Furnace components
