| 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 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 Alloy 20 Nut is an essential component designed specifically for high-performance applications in the hydrometallurgy and sulfuric acid industry. Made from corrosion-resistant Alloy 20, this Nut offers exceptional durability and strength in harsh environments where exposure to corrosive substances is common.
Crafted from the UNS N08020 standard, the Alloy 20 Nut ensures superior corrosion resistance, making it an ideal choice for hydrometallurgy and sulfuric acid industry applications. Its lengthy size range of 30-800 mm and size options ranging from M8-M100 allows for versatile use across various projects and installations.
Similar brand
| GB/T | UNS | AISI/ASTM | W.Nr |
| NS144 | N08020 | Alloy20Cb-3 | 2.4660 |
With a performance class of 8.8 and an impressive strength of extension rated at 600 N/mm², this Alloy 20 Nut meets industry standards of quality and reliability. The bolt's remarkable strength ensures safe and secure fastening, providing peace of mind in challenging operating conditions.
The standout feature of the Alloy 20 Nut lies in its exceptional corrosion resistance. Sulfuric acid, a highly corrosive substance, is commonly used in the hydrometallurgy industry. The Alloy 20 Nut is specifically engineered to withstand the corrosive effects of sulfuric acid and other aggressive chemicals, ensuring prolonged durability and performance in these demanding environments.
Chemical composition of Alloy 20 Nuts
| alloy | % | Ni | Cr | Fe | C | Mo | Mn | Si | Cu | P | S |
| 20 | Min | 32.0 | 19 | REM | 2.0 | 3.0 | |||||
| Max | 38.0 | 21 | 0.07 | 3.0 | 2.0 | 1.0 | 4.0 | 0.03 | 0.03 |
Applications for the Alloy 20 Nut extend across various sectors of the hydrometallurgy and sulfuric acid industry. It can be effectively employed in chemical processing plants, acid storage tanks, heat exchangers, and fertilizer production facilities. The Nut's versatility allows it to be used in pumps, valves, reactors, and other equipment exposed to corrosive substances.
Hydrometallurgy, the process of extracting metals from ores using aqueous solutions, is a crucial industry where the Alloy 20 Nut finds its utility. The Nut's corrosion-resistant properties make it an excellent choice for fastening and securing critical components in hydrometallurgical systems. Additionally, the Alloy 20 Nut is extensively used in sulfuric acid plants where it offers reliable performance in the face of aggressive acid exposure.
Minimum mechanical properties of Nuts at room temperature
| Condition | Rm N/mm² |
RP0.2 N/mm² |
A5 % |
| Mechanical Properties | 600 | 320 | 35 |
In conclusion, the Alloy 20 Nut is a high-quality fastening solution specifically designed for the challenges posed by the hydrometallurgy and sulfuric acid industry. Its corrosion-resistant properties, superior strength, and wide range of applications make it an indispensable component for ensuring the durability and reliability of critical infrastructure in this demanding sector.
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