... GR.B 1.Material:A106/A53/Q345B,Etc. 2.Size:1/2",3/4",11/2",3",4",6",8",10" ASTM A106 ... SizeOD:75mm WT:5mm delivery condition 1:Cold finished(BK+C)2:Annealing(GBK+A)3:Normalized(NBK+N Surface oiled, black ... :30%T/T in advance+70%L/C3:100%L/C MOQ 1 Ton Supply ability 2000~2500 Tons/month Delivery ...