The quenching and tempering process is carried out to strengthen materials such as steel and iron ba…

It’s important to note that the main difference between hot rolled and cold rolled steel is one of p…

Honing pipe before processing the surface will have a lot of hemp point, which is an important facto…

AISI 4140 steel VS 4130 Steel chemical composition   C Si Mn S P Cr Mo AISI 4140 0.38～0.43 0.15…

Cold rolling refers to the process of hot rolling sheet at room temperature. Although the…

The hydraulic cylinder is the linear moving performance element of the output force. Its function is…

High-precision cold drawn steel pipe is a new type of high-tech energy-saving products. In recent ye…

4140 Q&T is a steel in the family of SAE steel grades, as specified by the Society of Automotive…

AISI/SAE 4140 grade is a versatile alloy with good atmospheric corrosion resistance and reasonable s…

Wide processing range.  Honing process is mainly used in the inner surface of steel pipe finish…