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	0.138-0.250	3.51-6.35
5	127	0.138-0.296	3.51-7.5
5-1/2	139.7	0.138-0.311	3.51-7.90
7	177.8	0.138-0.354	3.51-8.99
8-5/8	219.1	0.138-0.500	3.51-12.7
9-5/8	244.5	0.156-0.500	3.51-12.7
13-3/8	339.7	0.203-0.592	4.78-15.04
16	406.4	0.375-0.625	9.52-15.88
18-5/8	473.0	0.375-0.656	9.52-16.13
20	508.0	0.375-0.656	9.52-16.13