ASME SA312 TP316 Austenitic Stainless Steel Square Fin Tubes In Pharmaceutical Industries
Grade TP316, also known as Type 316 stainless steel, is an austenitic chromium-nickel stainless steel containing molybdenum. This addition enhances the alloy's corrosion resistance, particularly against chlorides and other industrial solvents. TP316 is known for its excellent mechanical properties and high resistance to pitting and crevice corrosion in chloride environments.
ASME SA312 TP316 seamless steel square fin tubes are particularly effective in the chemical processing, oil and gas, marine, power generation, food and beverage, and pharmaceutical industries. Their outstanding performance in corrosive and high-temperature environments ensures long-term reliability and efficiency.
| Grade | C | Ni | Mo | Mn | Si | N | C | P | S | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| TP316 | 16.0-18.0% | 10.0-14.0% | 2.0-3.0% | ≤ 2.0% | ≤ 1.0% | ≤ 0.1% | ≤ 0.08% | ≤ 0.045% | ≤ 0.03% | Balance |
| Grade | Tensile Strength | Yield Strength | Elongation | Hardness |
|---|---|---|---|---|
| TP316 | Minimum 515 MPa (75,000 psi) | Minimum 205 MPa (30,000 psi) | 40% minimum in 50 mm | ≤ 95 HRB (Rockwell Hardness B) |
- Corrosion Resistance: Excellent resistance to general corrosion, pitting, and crevice corrosion, especially in chloride environments.
- Mechanical Properties: Good mechanical properties at both room and elevated temperatures.
- High-Temperature Resistance: Maintains stability and strength at high temperatures.
- Weldability: Excellent weldability with or without filler metals.
- Hygienic Properties: Non-reactive surface suitable for applications requiring high levels of hygiene.
Chemical Processing Industry: Heat exchangers, reactors and vessels, and piping systems dealing with corrosive chemicals and high temperatures.
Oil and Gas Industry: Offshore platforms, refinery equipment, and downhole tubing where exposure to corrosive elements is common.
Marine Applications: Seawater systems, shipbuilding, and desalination plants dealing with high-salinity water.

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