| 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.
The Incoloy 825 screw is a high-quality fastening product made from Incoloy 825, a special alloy offering excellent corrosion, oxidation and high-temperature resistance. The screw is widely used in various industrial sectors where temperatures do not exceed 550°C. It boasts excellent mechanical properties, including high strength, toughness and ductility.
Similar brand
| GB/T | UNS | JIS | Trademark | W.Nr |
| NS142 | N08825 | NCF825 | Incoloy825 | 2.4858 |
Incoloy 825 screws are available in a variety of sizes and lengths, and in different standards such as DIN, BSW, ANSI and NF. The most common size is M24 with a maximum length of 3000 mm. The product grade is A, the class is 8.8 and the maximum hardness is 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 best things about Incoloy 825 screws is that they're really resistant to stress corrosion cracking, or SCC for short. SCC occurs when a metal is exposed to tensile stress and a corrosive environment. The high level of resistance of the Incoloy 825 screw to SCC is 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 |
The Incoloy 825 screw is suitable for a variety of industrial applications, including chemical processing, petrochemicals, marine engineering, and power generation. It is commonly used in heat exchangers. It is also used in pipelines. It is used in valves. It is used in pumps. It is used in other critical equipment. The screw's durability and resilience make it a reliable and cost-effective choice, able to withstand harsh environmental conditions and maintain its integrity over a long period of time.
The Incoloy 825 screw is easy to install and maintain, and is compatible with a variety of nuts and washers. It is also highly resistant to oxidation and stable at high temperatures, ensuring long-term reliability in industrial settings.
To conclude, the Incoloy 825 screw is an excellent fastening product which boasts excellent properties and a broad spectrum of 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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