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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 BSW NA51 Special Fastener is a premium product designed specifically for use in gas engine turbines and high-demand applications where reliability and performance are paramount. This fastener is crafted from high-quality NA51 and Inconel 718 materials, ensuring it adheres to strict standards such as BSW, ANSI, DIN, and NF. This ensures impeccable quality and durability.
Similar brand
| BSW | UNS | Trademark | W.Nr | NF |
| NA51 | N07718 | Inconel718 | 2.4668 | NC19FeNb |
This premium-grade fastener is available in a range of sizes, from M6 to M100, and boasts a strength grade of 8.8, making it suitable for a wide array of applications. The BSW NA51 Special Fastener is a highly versatile product, with a height that can vary from 30 to 3,000 mm to suit a range of needs.
Chemical composition of Inconel 718 Fastener
| alloy | % | Fe | Ni | Cr | Mo | C | Mn | Si | Cu | Al | S | Nb | Co | Ti |
| 718 | Min | REM | 50 | 17 | 2.8 | 0.2 | 4.75 | 0.65 | ||||||
| Max | 55 | 21 | 3.3 | 0.08 | 0.35 | 0.35 | 0.3 | 0.08 | 0.015 | 5.5 | 1 | 1.15 |
One of the most notable features of the BSW NA51 Special Fastener is its exceptional creep and stress rupture strength, ensuring consistent performance under demanding conditions. In addition, the fastener demonstrates high oxidation resistance, rendering it well-suited for environments characterised by extreme temperatures and the presence of corrosive elements.
Minimum mechanical properties of bolts at room temperature
| Condition | Rm N/mm² |
RP0.2 N/mm² |
A5 % |
Hardness HB |
| Mechanical Properties | 965 | 550 | 30 | 363 |
The BSW NA51 Special Fastener is renowned for its superior workability, allowing for easy installation and maintenance. This fastener is designed for use in gas engine turbines and other high-demand applications across various industries. It is known for its reliable and efficient performance.
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