| Customization: | Available |
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| Material: | Stainless Steel |
| Type: | Hexagon Head |
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XIAMEN QISHINE
XIAMEN QISHINE IMP. & EXP. Co., Ltd. is a globally recognised and renowned supplier of pipeline products, specialising in providing a wide array of essentials, from fasteners to gaskets.. 
We take pride in catering to a broad range of clients across various industries and projects worldwide. Our strategic focus is on engineering, procurement and construction (EPC) companies and pipeline construction projects.
With more than ten years' experience in pipeline product development and sales, we have a wealth of relevant experience and problem-solving ability.
The Alloy 28 Hex Head Bolt is a highly durable and corrosion-resistant fastening solution designed specifically for the demanding needs of the chemical and petrochemical processing industries. Made from top-quality Alloy 28 material, this bolt provides outstanding performance and longevity in highly corrosive environments.
The Alloy 28 Hex Head Bolt is constructed from UNS N08028, a high-performance nickel-based alloy known for its exceptional resistance to a wide range of corrosive chemicals, including sulfuric acid, phosphoric acid, and organic acids. This makes it an ideal choice for applications involving chemical processing, pharmaceutical manufacturing, and other corrosive environments.
Similar brand
| UNS | W.Nr |
| N08028 | 1.4563 |
With a length range of 30-800 mm and a size range of M8-M100, the Alloy 28 Hex Head Bolt can accommodate a variety of installation requirements. The Hex Head bolts are manufactured to adhere to the Standard Performance Class 8.8, ensuring a reliable and secure connection. The strength of extension is rated at an impressive 500 N/mm², making it capable of withstanding heavy loads and high-pressure conditions.
One of the key features of the Alloy 28 Hex Head Bolt is its corrosion resistance. The material composition and specialized heat treatment processes give it exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. This corrosion resistance is maintained even at elevated temperatures, making it suitable for applications that involve exposure to high heat.
Chemical composition of Alloy 28 Stud bolts
| alloy | % | Ni | Cr | Fe | C | Mo | Mn | Si | Cu | P | S |
| 28 | Min | 30.0 | 26 | REM | - | 3 | - | - | 0.8 | ||
| Max | 32.0 | 28 | 0.02 | 4 | 2.0 | 1.0 | 1.5 | 0.03 | 0.03 |
The Alloy 28 Hex Head Bolt is highly versatile and finds various applications in the chemical and petrochemical processing industries. It is commonly used in equipment such as heat exchangers, reactors, storage tanks, and pipelines. Its high corrosion resistance ensures safe and reliable operation, minimizing the risk of leaks, downtime, and costly repairs.
Minimum mechanical properties of bolts at room temperature
| Condition | Rm N/mm² |
RP0.2 N/mm² |
A5 % |
Hardness HB |
| Mechanical Properties | 500 | 215 | 40 | 155 |
In addition to its exceptional corrosion resistance, the Alloy 28 Hex Head Bolt offers excellent mechanical properties. With a performance class of 8.8, it provides high tensile strength and reliable performance, even in demanding conditions. Its strength of extension of 500 N/mm² ensures the integrity and stability of the fastening.
To summarize, the Alloy 28 Hex Head Bolt is a corrosion-resistant fastening solution designed for the chemical and petrochemical processing industries. Its high-quality construction, exceptional corrosion resistance, and excellent mechanical properties make it a reliable choice for demanding applications. Invest in the Alloy 28 Bolt to ensure the longevity, safety, and efficiency of your operations.
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