LSAW steel pipe

#LSAWsteelpipe , Φ： Thickness:8-40mm Length: Steel grade: Gr.A/Gr.B/Gr.C,ASTM A500/501，ASTM A53， C250,C350,C450,STKR400,STKR490,S235/275/355/420/460,etc. #steelpipefactory #LSAWtube #LSAWsteeltube #yuantaiderun