1.OD:114.3-339.73mm 2.WT:5.21-12.19mm 3.standard:API J55, API K55, API N80, ... , API ... Oil casing pipe)Specification: 114.30-339.73*5.21- 12.19Standard:API SPEC 5CTMaterial:J55,K55,L80-1,C ... L80-1 N80-1 C90 P1104-1/2"114.35.21-8.56J55 K55 L80-1 N80-1 C90 P1105-1 ...