Q125

API grade for deep well service, not generally for use in sour condensate wells. Quadrant hardness testing is required without any specified limits other than the variation between readings. Impact testing is required for each head and/or lot. NDT inspection is required with two methods of inspection (typically EMI and UT are performed on this product).

Available in casing dimensions of 114.3 mm (4.5") to 406.4 mm (16")

Product Group: 
OCTG and Linepipe

Chemical Composition

C Mn Mo Cr Ni Cu Ti P S Si V Al
Min - - - - - - - - - - - -
Max 0.350 1.350 0.850 1.500 0.990 - - 0.020 0.010 - - -

Mechanical Properties

Tensile Strength 931 MPa min 135,000 psi min
Yield Strength 862 MPa min 1,034 MPa max
  125,000 psi min 150,000 psi max
Total Elongation Under Load 0.650 % -
Hardness - -