| Customization: | Available |
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| Material: | Stainless Steel |
| Type: | Round Head |
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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.
Incoloy 825 screw is a high-quality fastening product made of Incoloy 825, which is a special alloy with excellent resistance to corrosion, oxidization, and high temperatures. The screw is widely used in various industrial areas where the temperature does not exceed 550 degrees Celsius. It has good mechanical properties, such as high strength, toughness, and ductility.
Similar brand
| GB/T | UNS | JIS | Trademark | W.Nr |
| NS142 | N08825 | NCF825 | Incoloy825 | 2.4858 |
The Incoloy 825 screw is available in different sizes, lengths, and standards such as DIN, BSW, ANSI, and NF. The most common size is M24, with a length of up to 3000mm. The product grade is A and the class is 8.8, with a maximum hardness of 200 HB.
Chemical composition of Incoloy825 bolts
| 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 |
One of the key features of Incoloy 825 screw is its excellent resistance to stress corrosion cracking (SCC). SCC is a type of corrosion that occurs when a metal is exposed to tensile stress and a corrosive environment. Incoloy 825 screw has a high level of resistance to SCC due to its unique composition, which includes nickel, chromium, molybdenum, and iron.
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 |
Incoloy 825 screw can be used in a variety of industrial applications, including chemical processing, petrochemicals, marine engineering, and power generation. It is commonly used in heat exchangers, pipelines, valves, pumps, and other critical equipment. The screw is able to withstand harsh environmental conditions and maintain its integrity over a long period of time, making it a reliable and cost-effective choice.
The Incoloy 825 screw is easy to install and maintain, and is compatible with various types of nuts and washers. The screw is also highly resistant to oxidation and has good stability at high temperatures, ensuring long-term reliability in industrial settings.
In conclusion, Incoloy 825 screw is a high-quality fastening product with excellent properties and wide-ranging industrial applications. Its superior resistance to stress corrosion cracking, good mechanical properties, and easy installation make it a popular choice for critical equipment in industrial environments.
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