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| Material: | Stainless Steel |
| Type: | Round 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 BSW NA16 Stud Bolt is a high-quality fastening solution that has been specifically engineered for use in demanding environments, including those exposed to acid, base and seawater conditions. This stud bolt, accompanied by two nuts for added stability, is crafted from NA 16 material, with additional components made from Incoloy 825 and NiCr21Mo for enhanced durability and corrosion resistance. The BSW NA16 stud bolt has been engineered to comply with DIN, BSW, ANSI and NF standards. It is available in a range of sizes from M6 to M100, with lengths spanning from 30 to 800 mm.
Similar brand
| NF | UNS | BSW | Trademark | W.Nr |
| NC21FeDu | N08825 | NA16 | Incoloy825 | 2.4858 |
One of the most notable features of the BSW NA16 Stud Bolt is its exceptional Class 8.8 rating, which ensures dependable performance and structural stability. With a maximum hardness of 200 HB, this stud bolt is well-equipped to withstand challenging conditions and maintain its functionality over time. Notably, it exhibits excellent resistance to stress corrosion cracking, making it a reliable choice for applications where durability is paramount.
Chemical composition of Incoloy825 Bolt
| alloy | % | Ni | Cr | Fe | C | Mn | Si | Cu | Mo | Al | Ti | P | S |
| Incoloy825 | Min | 38 | 19.5 | REM | 1.5 | 2.5 | 0.6 | ||||||
| Max | 46 | 23.5 | 0.05 | 1 | 0.5 | 3 | 3.5 | 0.2 | 1.2 | 0.03 | 0.03 |
It is ideal use in industrial settings where temperatures do not exceed 550 degrees Celsius, the BSW NA16 Stud Bolt is a highly versatile and dependable fastening solution. Whether in chemical processing plants, marine facilities, or other harsh environments, this stud bolt excels in providing secure and long-lasting connections.
Minimum mechanical properties of bolts at room temperature
| Condition | Rm N/mm² |
RP0.2 N/mm² |
A5 % |
Hardness HB |
| annealing conditions | 550 | 220 | 30 | Max. 200 |
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