Wuxi Fanze Special Steel Co., Ltd.
Contact: Manager Zhou
Phone: 13373660068 \ 13373639386
Address: No. 168 Qianjing Road, Liangxi District, Wuxi City
What is Q345B seamless tube general spheroidizing annealing, isothermal spheroidizing annealing, rapid spheroidizing annealing, periodic spheroidizing annealing Q345B seamless tube spheroidizing annealing process methods many, the two commonly used processes are ordinary spheroidizing annealing and isothermal Spheroidizing annealing. Normal spheroidizing annealing is to heat the steel to above 20 ~ 30 ℃ above Ac1, keep it for a proper time, and then ...
Q345B seamless tube wrinkling causes and controlling wrinkling in stamping production will cause scrapped parts, which not only increases manufacturing costs, but also causes raw material waste, which needs to be analyzed and controlled. The reasons are as follows: 1. The blank holding force of the Q345B seamless pipe is not enough, and the gap between the pressing surface is not suitable for the problem of "inside loose and outside tight". 2.The lubricant is too ...
GB seamless steel pipe specification table diameter thickness pipe weight / meter diameter thickness pipe weight / meter