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| Material: | Stainless Steel |
| Type: | Hexagon Head |
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XIAMEN QISHINE
Xiamen Qishine Industry Co., Ltd. is a Chinese company established in 2013. We are a leading fabrication services provider in industries such as Oil & Gas, Petroleum, Marine, Oilfield, Mining, and Heavy Industry, specifically for pipeline construction and maintenance.
Qishine is ideal choice for EPC companies and project contractors. Our company specializes in supplying a range of products including Fasteners, Flanges, Gaskets, Fittings, Valves, Pipes and Piping Spare Parts. Our products are API, CE, TUV and ISO certified. Products are widely used on oil rigs, new nuclear power plant, Chemical and Heavy Industry.
Qishine is proud as being a premium product supplier who works closely with our clients to achieve the best possible results. We have an experienced team, skilled labor force, and advanced facilities to ensure safe and efficient project completion, meeting deadlines and budget requirements.
The 725LN Bolt, made from Urea Steel UNS S31050 is a high-quality fastening solution, which designed specifically for applications in the chemical, petroleum, and urea industries. With a material known for its exceptional resistance to high temperatures, high pressure ammonium urea solutions, and strong corrosion, this bolt provides superior performance and reliability in demanding environments.
Similar brand
| UNS | Trademark | W.Nr |
| S31050 | 725LN | 1.4466 |
Crafted to meet the highest standards of quality and durability, the 725LN Bolt boasts an elongation of 40% and a grade of 8.8, making it a dependable choice for critical installations. Its size of M20 and length of 200 mm ensure versatility and suitability for a wide range of applications, while its good weldability adds to its ease of use and installation..
Chemical composition of 725LN Bolt
| alloy | % | Ni | Cr | Fe | C | Mn | Si | Cu | Mo | Al | N | P | S |
| 725LN | Min | 20.5 | 24 | REM | 1.5 | 1.6 | 0.15 | 0.09 | |||||
| Max | 23.5 | 26 | 0.03 | 2 | 0.4 | 3 | 2.0 | 0.5 | 0.16 | 0.02 | 0.015 |
Minimum mechanical properties of bolts at room temperature
| Condition | Rm N/mm² |
A5 % |
| 725LN | 540 | 40 |
Engineered for excellence, this bolt is built to withstand the challenges of chemical processing, petroleum refining, and urea production. Its exceptional resistance to corrosion and erosion ensures long-term stability, even in harsh operating conditions. Whether used in pipelines, vessels, or other equipment, the 725LN Bolt delivers unmatched performance and reliability.
Key Features:
1. Resistance to High Temperature and High Pressure
2. Exceptional Corrosion Resistance
3. Good Weldability for Easy Installation
Application:
It is ideal for use in Chemical, Petroleum, and Urea Equipment
In summary, the 725LN Bolt is a high-performance fastening solution that offers unmatched durability, reliability, and corrosion resistance for chemical, petroleum, and urea applications. With its exceptional properties and superior quality, this bolt is the perfect choice for demanding industrial environments.
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