Api Casing Coupling

Size

4 1 / 2-20in

Thread

VAM NU EU STC LTC BTC NPT

Standard

API 5CT,GB/T14383,ASME B16. 11,BS 3799

Material

K 55, J 55, N 80, N 80q, P 110, L80

Surface treatment

Whole phosphating, or inside phosphating and outside coating

Payment

TT ,L/C

Packing

In iron pallet or wooden box for shipping or as required

Market

Mild east, North/South America, Europe, Asia,Africa etc

Certificate

BV,SGS,MTC,API

Delivery time

Within 7-25 days