Large diameter steel pipes/Steel Pipes: [1].Application: Oil and natural gas pipeline.[2].Standard: API-5L[3].General grade: X42,X46,X52,X65,X70,X80,X60,Q235A,Q235B,Q345B,0Cr13,1Cr17,00Cr19Ni11,1Cr18Ni9,0Cr18Ni11Nb6.Main Equipement for production: A.Steel plate ultrasonic flaw...
Products: 8 mm tapes,
internal pipe coating