If you're wondering What Are SS 660 Fasteners, then you've come to the right place. Read on to learn what these fasteners are and their benefits. This article will also explain why you should choose these fasteners in the first place. After all, a strong and reliable fastener is the cornerstone of a high-quality construction project. As such, you can't afford to take chances.
What are SS 660 Fasteners
The ASTM A453 Grade 660 fasteners are made from stainless steel and contain molybdenum to improve corrosion resistance. These fasteners are classified as Class A, which is an austenitic stainless steel alloy that exhibits a low coefficient of expansion and is more corrosion-resistant than other grades. Class B washers and screws are made from this material for applications requiring higher creep and stress-to-rupture strength. SS 660 screws provide extra resistance to atmospheric corrosion and many organic chemicals.
Alloy A286 bolts are made from an iron-base alloy and are easier to machine than other precipitation-hardening grades. Alloy A286 bolts, for example, are equivalent to ASTM A453 Grade 660 stud bolts. Alloy A286 bolts are used for jet engines, gas turbines, and supercharger components. SS 660 bolts are suitable for high-temperature applications, and they can withstand temperatures up to 700 degC.
SS 660 fasteners meet the ASTM A453 specification for high-temperature bolting applications. The material has been heat-treated to meet ASTM A453 grade B requirements and can be used for pipeline flanges, pressure vessels, and boilers. These fasteners also have several other names, such as alloy A286 or UNS S66286.
Advantages of ASTM A453 660 Fasteners
ASTM A453 Grade 660 Fasteners are precipitation hardening austenitic stainless steels that offer excellent properties. These fasteners are ideal for applications where high tensile strength is important. They are also highly corrosion-resistant. They feature nice finishes and are highly abrasion-resistant.
ASTM A453 Grade 660 fasteners are a great option for high-temperature bolting applications. These fasteners have similar tensile strength and yield strengths to those of other grades. They are also elongated for greater load capacity. They also exhibit superior corrosion resistance and yield strength potential. As with all other fasteners, they are resistant to corrosion and retain their strength even at elevated temperatures. However, they are not without their disadvantages. Thread galling is a common problem, and can cause fusion between mating pieces. Proper lubrication can prevent this problem.
The most important advantage of ASTM A453 Grade 660 fasteners is their flexibility. These fasteners can be used in applications that require a wide range of torque. These fasteners are commonly used in oil and gas industry applications. They can be used for various types of pipe connections. ASTM A453 Grade 660 Fasteners are also available in a variety of special alloys.
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