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Stainless Steel ASME SB677 TP904L Heat Exchanger Tube is a high-performance tube designed for extreme corrosion resistance, especially in harsh environments. Made from TP904L stainless steel, this super austenitic alloy contains high levels of chromium, nickel, and molybdenum.TP904L Stainless Steel: Low carbon, high alloy content for enhanced corrosion resistance. The tube conforms to ASME SB677 specifications, ensuring it meets stringent industry standards for quality and reliability. TP904L is a low-carbon version of 904 stainless steel, primarily composed of nickel, chromium, and molybdenum, which enhances its corrosion resistance and high-temperature performance.
Chemical Composition:
Grade
Cr
Ni
Mo
Cu
C
TP904L
19.0-23.0%
23.0-28.0%
4.0–5.0%
1.0–2.0%
0.02% max
Mechanical Properties:
Grade
Tensile Strength
Yield Strength
Elongation
Hardness
TP904L
≥ 220 MPa (32 ksi)
≥ 490 MPa (71 ksi)
≥ 35% in 50 mm
Typically ≤ 90 HRB
Applications:
1. Petrochemical Industry
Refineries: Used in heat exchangers to recover heat from process streams and in distillation columns.
Chemical Processing: Ideal for applications involving aggressive chemicals, such as in the production of ethylene, propylene, and other petrochemicals, where high corrosion resistance is critical.
2. Power Generation
Boiler Feedwater Heaters: Used in the preheating of feedwater before it enters the boiler, improving efficiency and reducing fuel consumption.
Heat Recovery Steam Generators (HRSG): Essential in combined cycle power plants where it captures waste heat from gas turbines to produce steam for additional electricity generation.
3. Marine Applications
Heat Exchangers and Coolers: Utilized in marine environments for cooling systems on ships and offshore platforms, where resistance to seawater corrosion is vital.
4. Pharmaceuticals
Process Equipment: Employed in heat exchangers that handle sensitive chemicals and high-purity applications, ensuring product integrity and compliance with stringent health regulations.
5. Food and Beverage
Pasteurization Equipment: Used in systems that require high-temperature treatments to ensure the safety and quality of food products.
Heat Recovery Systems: Implemented in processes to recover and reuse energy, minimizing waste and improving efficiency.
6. Aerospace and Defense
Heat Exchangers in Aircraft Engines: Beneficial in high-performance aerospace applications where lightweight and high-strength materials are required.
7. Nuclear Power Plants
Cooling Systems: Employed in secondary cooling loops due to its ability to withstand high temperatures and prevent corrosion in harsh environments.
8. Cryogenic Applications
Heat Exchangers for LNG: Suitable for liquefied natural gas processes, where resistance to low temperatures and thermal cycling is crucial.
9. Environmental Technology
Waste Heat Recovery Systems: Utilized in processes that aim to recycle energy from industrial exhausts, contributing to sustainability efforts.
Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n... Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n...