... ,K55,N80; st37,st42,st42-2,st45.8,st52,Gr 20,STPG410,STPG480,STB410Size1"-24"(33.4mm-610mm)Wall thicknesssch10,sch20 ... ,sch40,STD,sch60, XS,sch80,sch100, sch140,sch160,XXSPackagingBundle or bulk, Container by sea.Applications rangePetroleum, chemical, power; (oil, gas, water) liquid ... drawn machine2 set 15-ton chain cold drawn machine4 set 20-ton chain cold drawn machine1 set 45-ton chain cold ...