What Are ASTM B425 UNS N08825 Fasteners?
ASTM B425 UNS N08825 fasteners are high-strength bolts manufactured according to the American Society for Testing and Materials (ASTM) standard B425, an international voluntary consensus standard for bolting materials. These fasteners have an alloy composition of 8% nickel and 18% chromium, making them a type of superalloy known as “super duplex steel” or “super duplex stainless steel”. This alloy composition gives them excellent corrosion resistance in both acidic and alkaline solutions, as well as increased strength compared to other types of stainless steel fasteners.
Applications of ASTM B425 UNS N08825 Fasteners
Due to their superior corrosion resistance, ASTM B425 UNS N08825 fasteners are often used in chemical processing plants, petrochemical refineries, offshore oil rigs, water treatment facilities, and desalination plants where they must be exposed to harsh environmental conditions. Additionally, these fasteners can be used in marine structures where seawater exposure is common as well as in food processing machinery where contact with corrosive solutions is frequent.
Advantages of ASTM B425 UNS N08825 Fasteners
The main advantages of using these high-strength bolts include their superior corrosion resistance and strength while remaining lightweight with low maintenance requirements.
In addition to this, they also offer higher fatigue strength than most other types of bolts which makes them ideal for use in vibration-prone environments such as aircraft engines or turbines. Furthermore, the cost associated with manufacturing these bolts is relatively low due to their simple production process which makes them a great choice for many industries looking for quality yet affordable parts.
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