API 5CT 2 3/8" L80 seamless Tubing/casing coupling
Couping specification:
Model: Not thickened (NU), Thickening (EU)
Material: J55/ N80/P110
Size: 1.9 "-4 1/2"
Product surface: inside and outside surfaces with phosphate.
Packing: cartons, boxes, trays or other packaging used according to customer requirements.
Standard: API SPEC 5CT, API SPEC 5B