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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.
Qishine is ideal choice for EPC companies and project contractors.
The Alloy 254SMo Stud Bolt is a corrosion-resistant fastening solution specially designed to perform excellently in demanding seawater treatment environments. Made from the high-quality Alloy 254SMo material, this stud bolt provides exceptional durability, mechanical strength, and acid corrosion resistance for a wide range of applications. With its superior characteristics, it has become an essential component in industries such as petroleum, petrochemicals, bleaching, desulfurization, offshore systems, and the desalination industry.
Elongation and Strength
With an elongation rate of 35%, the Alloy 254SMo Stud Bolt demonstrates excellent ductility and flexibility, ensuring it can withstand high levels of stress and vibration without compromising structural integrity. Its high mechanical strength makes it an ideal choice for applications that require reliable and long-lasting fastening solutions.
Standard and Size Range
The Alloy 254SMo Stud Bolt conforms to the internationally recognized UNS N31254 standard, guaranteeing its quality, integrity, and compatibility with various applications. It is available in a wide range of sizes, ranging from 1/2 to 4 inches, ensuring suitability for different equipment and systems.
Similar brand
| GB/T | UNS | Trademark | W.Nr |
| 00Cr20Ni18Mo6CuN | N31254 | 254SMO | 1.4547 |
Material and Composition
The Alloy 254SMo Stud Bolt is crafted from the renowned Alloy 254SMo, a super austenitic stainless steel alloy. This material is composed of significant amounts of nickel, chromium, molybdenum, and nitrogen, providing outstanding resistance to pitting and crevice corrosion in chloride-rich environments. The addition of copper also enhances its resistance to corrosion caused by reducing agents such as sulfuric acid.
Chemical composition of Alloy 254SMo Stud Bolt
| alloy | % | Ni | Cr | Mo | C | Mn | Si | S | P | Cu | N |
| 254SMo | Min | 17.5 | 19.5 | 6.0 | - | - | - | - | 0.18 | ||
| Max | 185 | 20.5 | 6.5 | 0.02 | 1 | 0.8 | 0.01 | 0.03 | 0.02 | 0.22 |
Key Features
1. Acid Corrosion Resistance: The Alloy 254SMo Stud Bolt showcases exceptional resistance to various acids, including sulfuric acid, phosphoric acid, and organic acids. This feature makes it an excellent choice for equipment that operates in corrosive environments.
2. High Mechanical Strength: Thanks to its unique composition and structural design, the stud bolt exhibits impressive mechanical strength, enabling it to withstand extreme conditions and heavy loads without deformation or failure.
3. Optimal Performance in Seawater: The Alloy 254SMo Stud Bolt excels in seawater treatment applications, providing reliable performance and durability even in high chloride concentrations and aggressive environments.
Minimum mechanical properties of bolts at room temperature
| Condition | Rm N/mm² |
RP0.2 N/mm² |
A5 % |
| annealing conditions | 650 | 300 | 35 |
Applications
The versatility and reliability of the Alloy 254SMo Stud Bolt make it indispensable in a wide range of industries and applications. Common uses include:
- Petroleum and Petrochemical Equipment: The stud bolt is widely utilized in refineries, chemical plants, and other downstream facilities where high resistance to corrosion and mechanical stress is essential.
- Bleaching Equipment: Its acid corrosion resistance and anti-pitting properties make it suitable for applications involving bleaching chemicals, such as those employed in the textile and paper industries.
- Desulfurization Equipment: The Alloy 254SMo Stud Bolt is commonly employed in desulfurization plants and equipment, where it provides reliable performance in the presence of sulfuric acid and other aggressive substances.
- Offshore Systems: The stud bolt is a trusted choice for offshore platforms, subsea equipment, and marine structures, offering protection against the harsh conditions of seawater and salt spray.
- Desalination Industry: In desalination plants, where high concentrations of chloride and aggressive chemicals are present, this stud bolt ensures a long service life and minimal maintenance requirements.
Conclusion
In summary, the Alloy 254SMo Stud Bolt provides exceptional resistance to acid corrosion, impressive mechanical strength, and reliable performance in seawater treatment environments. Its compliance with the UNS N31254 standard, wide size range, and versatility make it the ideal choice for applications in various industries. Invest in the Alloy 254SMo Stud Bolt for a reliable, durable, and cost-effective fastening solution that will excel in the most demanding conditions.
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