Coupling stock is the seamless pipe used for producing coupling of casing and tubing

Main steel grade

As per API 5CT SPEC; J55、K55、N80Q、L80-1、L80-9Cr、L80-13Cr、T95、C110

Sour Service grade, such as CB80S~CB110SS

Standard

API SPEC 5CT 9th

Characteristic

Coupling stock is rolled by Assel mill, with good dimension control, high qualified product ratio, stable mechanical and impact property.

Range

OD: Φ52.2mm~Φ244.48mm

WT: 4.2mm~22mm