1)1" carbon steel sch 80 pipe 2)OD:1/2"-48" 3)WT:1-160mm ... ,Seamless 5)Standard:ASTM,ANSI Type 1" carbon steel sch 80 pipe SizeSeamless Pipe: 1/2”~48”, DN15~DN1200, OD21.3MM ... pipes and pipe fittingssuch as: long/short radius elbows(EL/ES),straight / reducing tee(TC/TR) ,SO ,WN,PL,BL,SW ... , your inquiries will be reply promptly! 1" carbon steel sch 80 pipe