Casing Coupling
Model: Short Round (STC), a long circular (LC), trapezoid (BC)
Material: J55 K55 N80 L80 P110
Size :41/2"—133/8"
Product surface: inside and outside surfaces with phosphating.
Packaging: cartons, boxes, trays or other packaging used according to customer requirements.
Standard: API SPEC 5CT, API SPEC 5B