| 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 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 clientele across various industries and projects worldwide, with a strategic focus 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 31 Stud Bolt is constructed from Alloy 31, a super-austenitic stainless steel that exhibits remarkable resistance to corrosion in highly corrosive environments. With a carefully balanced composition of elements including nickel, chromium, molybdenum, and nitrogen, Alloy 31 provides exceptional resistance to a wide range of chemicals, including sulfuric acid, phosphoric acid, and hydrochloric acid solutions.
Standard:
Our Alloy 31 Stud Bolt adheres to the UNS N08031 standard, ensuring consistent quality and performance. This standard specifies the chemical composition, mechanical properties, and other crucial aspects that guarantee the suitability of the Alloy 31 Stud Bolt for various industrial applications.
Similar brand
| UNS | GB/T | W.Nr | ANSI/ASTM |
| N08031 | NS144 | 1.4562 | Alloy31 |
Length and Size Range:
To accommodate diverse requirements, the Alloy 31 Stud Bolt is available in lengths ranging from 30 to 800 mm. Whether you need a smaller or longer fastener, our stud bolts are customizable to match your specific needs. Additionally, we offer a comprehensive size range of M8 to M100, providing flexibility for different construction and assembly projects.
Performance Class and Strength of Extension:
With a performance class of 8.8, our Alloy 31 Stud Bolt demonstrates excellent mechanical properties that ensure reliable and secure fastening. The strength of extension of 650 N/mm² guarantees superior load-bearing capacity, making it suitable for heavy-duty applications in the chemistry and petrochemical sectors.
Chemical composition of Alloy 31 bolts
| alloy | % | Ni | Cr | Fe | C | Mo | Mn | Si | Cu | P | S | N |
| 31 | Min | 30.0 | 26 | REM | - | 6 | - | - | 1.0 | 0.15 | ||
| Max | 32.0 | 28 | 0.015 | 7 | 2.0 | 0.30 | 1.4 | 0.02 | 0.01 | 0.20 |
Corrosion Resistance:
The outstanding feature of the Alloy 31 Stud Bolt is its exceptional corrosion resistance. Alloy 31 is specifically engineered to withstand aggressive chemical environments, ensuring long-term durability even in the presence of highly corrosive substances. This corrosion resistance minimizes the risk of bolt failure, preventing costly shutdowns, and ensuring the safety of personnel and equipment.
Minimum mechanical properties of bolts at room temperature
| Condition | Rm N/mm² |
RP0.2 N/mm² |
A5 % |
| Mechanical Properties | 650 | 350 | 35 |
Applications:
The Alloy 31 Stud Bolt is widely used in the chemistry and petrochemical industries due to its unrivaled corrosion resistance and high-performance characteristics. It is commonly employed in applications such as chemical processing plants, petroleum refineries, and offshore oil rigs. From pipeline installations to equipment assembly, our stud bolts offer reliable fastening in critical areas where corrosive substances are present.
In conclusion, the Alloy 31 Stud Bolt is the ultimate choice for those seeking a corrosion-resistant fastening solution optimized for the rigorous demands of the chemistry and petrochemical sectors. Its superior strength, excellent performance class, and exceptional resistance to corrosion make it an invaluable asset for various applications. Invest in the Alloy 31 Stud Bolt today and ensure the long-term reliability and safety of your operations.
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