API 螺纹油套管接箍 API TUBING AND CASING COUPLING
钢级Grade
PSL1/PSL2
J55/K55/ N80(Q)/L80(1)/L80(13Cr)/T95/P110(CY)
规格Size
2-3/8”～20”
螺纹类型Thread
EU,NU,LC,SC,BC
