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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 NF NC15FE Special Screw is a high-quality fastening solution designed to meet the demanding requirements of the petrochemical industry. Manufactured from premium-grade Inconel 600, this screw provides outstanding corrosion resistance and durability, making it perfect for use in nuclear reactors and catalytic regenerators.
Similar brand
| BSW | UNS | Trademark | W.Nr | NF |
| NA14 | N06600 | Inconel600 | 2.4816 | NC15FE |
The NF NC15FE Special Screw features a standard size range from 5/16 to 4 inches and lengths ranging from 30 to 800 mm, making it highly customisable to suit various project requirements. The product conforms to NF, DIN, ANSI, and BSW standards, ensuring compliance and compatibility with a wide range of applications.
Chemical composition of NF NC15FE Special Screw
| alloy | % | Ni | Cr | Fe | C | Mn | Si | Cu | P | S |
| Inconel600 | Min | Min72 | 14 | 6 | ||||||
| Max | 17 | 10 | 0.15 | 1.0 | 0.5 | 1.0 | 0.015 | 0.015 |
This special screw is renowned for its superior strength and durability, with a product grade of A and an 8.8 performance class. Its remarkable strength of extension, reaching 550 N/mm², makes it capable of withstanding high tension forces while maintaining structural integrity, even under extreme operating conditions.
One of the key features of the NF NC15FE Special Screw is its exceptional resistance to stress corrosion cracking. This makes it highly reliable and durable when exposed to corrosive environments commonly found in petrochemical production. This exceptional resistance ensures that the risk of premature failure and unplanned downtime is significantly reduced, ensuring the product's long service life and cost-effectiveness.
Minimum mechanical properties of bolts at room temperature
| Condition | Rm N/mm² |
RP0.2 N/mm² |
A5 % |
Hardness HB |
| Mechanical Properties | 550 | 240 | 30 | 195 |
Nuclear and Petrochemical Applications
The NF NC15FE special screw serves as a critical fastening component in nuclear reactor assemblies and catalytic regenerator systems. In nuclear applications, it provides essential structural stability through precision fastening of reactor core components. For catalytic regenerators, it maintains equipment integrity during high-temperature regeneration cycles, ensuring continuous process efficiency.
Quality Assurance
Manufactured under strict quality protocols, each NF NC15FE screw undergoes:
Comprehensive material certification
Dimensional verification testing
Performance validation under simulated service conditions
This rigorous quality management system guarantees compliance with ASME BPVC and ISO 9001 standards.
Technical Advantages
This high-performance fastener offers:
Exceptional stress corrosion cracking resistance
Optimized mechanical strength for high-load applications
Custom engineering solutions for specific installation requirements
Long-term reliability in radiation and chemically aggressive environments
Industry Confidence
Petrochemical operators can specify NF NC15FE fasteners with confidence, as their demonstrated service life exceeds typical maintenance cycles in both nuclear and catalytic processing applications.
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