Anti-seismic and Wear-resistant Contrabar Alloy 3J40 (YB/T5243-1993)
Anti-seismic and Wear-resistant Contrabar Alloy 3J40 (YB/T5243-1993) is a kind of high-temperature nickel-iron base alloy developed by Beijing Baoding Iron and Steel Corp., Ltd. The material features a high strength-to-weight ratio and excellent fatigue properties, making it a valuable material to be used in the manufacturing of various machinery components. It is a high-temperature alloy and maintains its strength and other characteristics even at elevated temperatures. In addition, it has excellent thermal and electromagnetic properties and excellent resistance to corrosion.
The physical and mechanical properties of Anti-seismic and Wear-resistant Contrabar Alloy 3J40 (YB/T5243-1993) include low temperature and high temperature tensile strength, good shock and vibration resistance, high corrosion resistance, high yield strength, and good ductility. In addition, this alloy is highly resistant to wear, even in extreme conditions. Furthermore, it has excellent creep resistance, which makes it durable and suitable for use in high temperature applications.
Anti-seismic and Wear-resistant Contrabar Alloy 3J40 (YB/T5243-1993) is widely used for different applications, such as turbine blades, turbine nozzle components, exhaust systems and diaphragm metal materials, blades and discs for reciprocating engines, bearings, pins, screws and shafts for pumps, and collar bar and axle bushing components for vehicles. This alloy is a popular choice for manufacturing components for aircraft engines, and for use in aircraft engines for cooling and lubricating systems, fuel pumps, pistons and crankshafts, and propeller shafts.
Helicopters typically use this alloy for components such as rotor head blades and cuff lugs, while racing car engines and military vehicles utilize parts made of this alloy for improved performance and longer life. On a large-scale, 3J40 is used in the power generating industry for their turbine blades, nozzle exhaust systems, blades and diaphragm metal materials, and pins and screws for pumps.
The designations 3J40 and YB/T5243-1993 are required to certify that the anti-seismic and wear-resistant Contrabar Alloy used in the manufacturing process meets the standard set by the Chinese National Standards Organization. The material properties of 3J40 are determined through a variety of tests and