The picture shows a batch of petrochemical convection pipe section supports produced in January 2021, the main dimensions are 675 x 170 x 152 x 10(t), 470 x 177 x 89 x 13(t), 575 x 170 x 92 x 10(t) , ASTM A 351 Gr.HK40, weighs about 16.5kg/8kg/11kg, adopts precision casting process, and has been packaged and shipped after passing the inspection according to various petrochemical standards.