| Material: | Stainless Steel |
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| Type: | Hexagon Head |
| Connection: | Common Bolt |
| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier XIAMEN QISHINE
XIAMEN QISHINE IMP. & EXP. Co., Ltd., is a globally recognized and renowned pipeline product supplier specializing in the provision of a wide array of pipeline essentials, from fasteners to gaskets. 
We take pride in catering to a broad range of clientele across various industries and projects worldwide, with a strategic focus on Engineering, Procurement, and Construction (EPC) companies and pipeline construction projects.
We have more than ten years of pipeline product development & sales experience, so we have a wealth of relevant experience and problem solving ability.
The 725LN Bolt, made from Urea Steel UNS S31050, is a top-quality fastening solution 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:
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.
Product Recommendation
Suppliers with verified business licenses
Audited Supplier 
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