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1.6511 Steel Characteristics 1.It has great atmospheric corrosion resistance, fatigue resistance and strength. 2.Stay excellent toughness, wear resistance and fatigue strength after heat treated. 3.It is alloy steel with low carbon and high nickel. About the coating and softening for leather knife sheath, it is a great choice. 4.4340 alloy steel bar is used widely in the aerospace industry because of great strength. 4340 alloy steel is used to manufacture large and medium-sized plastic molds that require high strength and toughness. And it is used for making important quality controlling parts with good toughness, high strength, and large size, such as heavy machinery and high load shafts, dia of turbine shafts is larger than 250mm, helicopter rotor shafts, turbojet turbine shafts, blades, high-load transmission parts, crankshaft fasteners, gears and etc. After nitriding, it also can be used to make important parts for special performance requirements. And it will be a great material for high strength and good plasticity parts after low-temperature tempering or isothermal quenching. Forging of 4340 alloy steel: 4340 steel is first preheated up to 1150C 120C for forging until uniform temperature throughout the section Do not forge below 850 C, 4340 has good forging characteristics, but care must be taken when cooling as the steel can easily crack. After the forging operation, the workpiece should be cooled as slowly as possible. It is recommended to cool in sand or dry lime etc. Feel free to contact us
Steel rebars.
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