Standard: API SPEC 5CT PSL1, PSL2

Steel Grade：H40,J55,K55,N80-1,N80-Q,L80-1, L80-9CR,L80-13CR,R95,T95,P110,Q125

Product Size Scope：

Outer Diameter：1.315'' ～ 20'' (33.40 mm ～508.00 mm)

Wall Thickness：3.18mm ～22.22 mm

Thready Type: BC, LC, NU, EU, IJ, Premium Thread