*vinyl greenhouse steel pipe22.2mm, 25.4mm, 31.8mm, 33.3mm, 42.2mm, 48.1mm *angled pipe25*25, 30*30, 40*20, 40*40, 50*30, 60*60*thickness 1.2t, 1.5t, 1.7t, 2.1t, 2.3tOur pipe is used in greenhouse. not construction.In Korea Standard(KS) pipe and another question plz contact to me.Min-gyu, Kimtel. +82-55-743-2353phone. +82-10-4503-0232blog. http://blog.naver.com/sepirros1 SUN ENGINEERING CO.,LTD.
