According to different purposes of heat treatment, heat treatment process can be divided into two categories: preliminary heat treatment and final heat treatment.
Read moreSeamless steel pipes are commonly used to measure the hardness of Brinell, Rockwell, and Vickers.
Read moreAccording to the composition, it can be divided into Cr system (SUS400), Cr-Ni system (SUS300), Cr-Mn-Ni (SUS200) and precipitation hardening system (SUS600).
Read moreThe temperature coefficient is the rate at which the physical properties of a material change with temperature.
Read morePipe roughness, mechanical terms. In mechanics, roughness refers to the micro-geometric characteristics of small pitches and peaks and valleys on the processed surface.
Read moreSeamless steel pipes are rolled with solid pipe blanks after piercing. 1. Manufacturing method: According to different production methods, it can be divided into hot rolled tube, cold rolled tube, cold drawn tube, extruded tube, etc. a. Hot rolled seamless tubes are generally produced on automatic tube rolling units. After inspection and removal of surface defects, the solid tube billet is cut t...
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