Products Description
Stainless Steel Bend Tube
Advantages of Stainless Steel Bend Tube
- In heat exchangers and boilers, the smooth interior surface of stainless steel bend tubes reduces fouling and scaling, improving heat transfer efficiency and reducing maintenance.
- Stainless steel bend tubes offer excellent chemical resistance, including acids, bases, and chlorides, especially when using grades such as TP316 or TP347.
- Excellent thermal conductivity facilitates efficient heat transfer in condensers and evaporators, making them suitable for HVAC and refrigeration systems.
Application of Stainless Steel Bend Tube
- Heat Exchange Systems: Shell-and-Tube Heat Exchangers, Industrial Boilers, Nuclear Power Plant Condensers
- Petrochemical Industry: Process Piping in Crude Oil Distillation, Catalytic Cracking, and Other Units, and Corrosive Material Transport Piping
- Automotive: Exhaust Pipes, Air Conditioning Lines
- Marine and Offshore Engineering: Offshore Platforms, Shipbuilding, and Marine Heat Exchangers
Chemical Composition
| Grade | C (max) | Mn (max) | Si (max) | P (max) | S (max) | Cr (%) | Ni (%) | Mo (%) |
|
TP304 |
0.08 | 2.00 | 0.75 | 0.045 | 0.03 | 18-20 | 8-10 | – |
| TP316 | 0.08 | 2.00 | 0.75 | 0.045 | 0.03 | 16-18 | 10-14 | 2-3 |
Mechanical Properties
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HRB) |
|
TP304 |
515-720 | ≥205 | ≥40 | ≤90 |
| TP316 | 515-720 | ≥205 | ≥40 | ≤90 |
Possible Alternative Grades
Alternatives depend on corrosion, temperature and strength requirements. Common choices: 304L / 316L (for improved weldability), duplex stainless steels such as UNS S32205 (2205) or higher-alloy duplex (e.g., 2507) for greater strength and chloride resistance, super-austenitic grades like 254 SMO (UNS S31254) or 904L (UNS N08904) for aggressive chloride/acid environments, and nickel-base alloys (e.g., Alloy 625, Alloy 20, Hastelloy) for highly corrosive chemical service. Selection should be driven by operating temperature, chloride level, pH, and cost.
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