... 4"-48"( 13.7mm - 1219.2mm )Main Standard: API 5L, ASTM A 106, ASTM A53, GB/T 8163, ... ,BS&JIS&DINMaterial:A106GrA,B,C,A53GrA,B,C,API 5L X70, X65, X60, X42,X46,X52,X56,GR ... S235JRH, S275JOH, S355JOH,P325TR1,ST37,ST52,ST37.4,ST45 etcCertificate: API 5L & 5CT, ISO 9001Specification description:Length: Random length / 5 ... Europe / Middle East / East-south Asia 1,Steel Grade: E-75, X-95, G-105, S135 Size (in) ...