Coupling Stock is a seamless thick-wall tubular product used in manufacture of coupling blanks. Pipes for Coupling Stock with PSL2 and even higher level, could meet customers needs for processing API or NON-API thread couplings. All of the Coupling Stock manufactured by our company with high quality.
What’s more? Our coupling stock pipe also has price advantage while ensure the same high quality. Wall thickness could reach maximum 40mm. (wall thickness range varies regarding to different OD.)Available grades/material: carbon alloy, all API 5CT and proprietary grades in numerous wall thickness.Coupling stock has many different steel grade but the main steel grades are as the follows：As per API 5CT SPEC:J55\K55\N80Q\L80-1\L80-9Cr\L80-13Cr\T95\C110 and so on. Sour service grade such as CB80S~CB110SS.
The standard of Coupling Stock is according to API 5CT 9th. And the characteristic of coupling stock is rolled by KPE,with good dimension control,high qualified production, stable mechanical and impact property.If you have any needs of the coupling stock you can contact with us.