– High tensile strength and hardness
– Good impact resistance
– Excellent corrosion resistance
– Good toughness and ductility
– Wear resistance
Technical properties:
– Easily machinable and weldable
– Good formability and easy to forge
– Heat treatable for improved hardness and strength
– Can be polished to a high finish
– Can withstand high temperatures without losing strength
Chemical composition:
– Carbon: 0.40-0.50%
– Chromium: 12-14%
– Manganese: 1.0%
– Silicon: 1.0%
– Phosphorus: 0.04%
– Sulfur: 0.03%
– Iron: Remaining balance
The 420S45 steel is commonly used in the manufacturing and engineering industries for various applications such as making cutting tools, surgical instruments, molds, and industrial equipment. Its versatile properties make it a popular choice for many different engineering and manufacturing needs.
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