Specification :

API Grade -
5CT or 5D Yield Strength - Minimum Yield Strength - Maximum Tensile Strength - Minimum Rockwell C Hardness (est.)
H-40 40,000 psi 80,000 psi 60,000 psi 70-87 HRB
J-55 55,000 80,000 75,000 0-15
K-55 55,000 80,000 95,000 14-25
S-80 55,000 95,000 95,000 14-22
C-75 75,000 90,000 95,000 14-26
L-80 80,000 95,000 95,000 14-23
N-80 80,000 110,000 100,000 16-25
S-95 95,000 110,000 110,000 22-31
P-110 110,000 140,000 125,000 27-35
OD
W/T

inch
mm
inch
mm

4 1/2
114.3
0.205-0.337
5.21-9.56

5
127
0.220-0.500
5.59-12.70

5 1/2
139.7
0.244-0.415
6.20-10.54

6 5/8
168.28
0.288-0.475
7.32-12.06

7
177.8
0.231-0.540
5.87-13.72

7 5/8
193.68
0.300-0.625
7.62-15.88

8 5/8
219.08
0.264-0.557
6.71-14.15

9 5/8
244.48
0.312-0.595
7.92-15.11

10 3/4
273.05
0.279-0.595
7.09-15.11

11 3/4
298.45
0.333-0.489
8.46-12.42

13 3/8
339.73
0.330-0.514
8.38-13.06