October 17, 2022
500*500*8~25 square steel pipe 140*140*4~14 square steel pipe
135*135*4~14 square steel pipe 130*130*4~12 square steel pipe
450*450*8~25 square steel pipe 120*120*4~12 square steel pipe
400*400*8~25 square steel pipe 110*110*4~12 square steel pipe
350*350*8~25 square steel pipe 100*100*4~12 square steel pipe
300*300*8~25 square steel pipe 80*80*4~12 square steel pipe
280*280*8~25 square steel pipe 60*60*4~12 square steel pipe
250*250*8~25 square steel pipe 50*50*4~12 square steel pipe
220*220*8~25 square steel pipe 40*40*4~10 square steel pipe
200*200*8~25 square steel pipe 30*30*2~6 square steel pipe
180*180*7~20 square steel pipe 20*20*2~4 square steel pipe
160*160*5~16 square steel pipe 150*150*5~14 square steel pipe
Square steel pipe, thick wall square steel pipe, large diameter square steel pipe, seamless square steel pipe, low alloy square steel pipe, 135*135*10 square steel pipe, tower crane square steel pipe, Q345B low alloy square steel pipe, 20# seamless square steel pipe
1. Can be implemented GB6728-2002 structure for cold bending hollow steel standard.
2. Can be implemented JISG3466-88 Japanese general construction rectangular tube range standard.
