Standard |
Grade |
Tensile Strength(MPa) |
Yield Strength(MPa) |
Elongation(%) |
Hardness |
API SPEC 5CT |
J55 |
≥517 |
379~552 |
0.5% |
≤241HB |
K55 |
≥655 |
379~552 |
0.5% |
||
N80 |
≥689 |
552~758 |
0.5% |
||
L80(13Cr) |
≥655 |
552~655 |
0.5% |
||
P110 |
≥862 |
758~965 |
0.6% |
Standard |
Grade |
Composition(%) |
||||||||||
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
Mo |
V |
AIs |
||
API SPEC 5CT |
J55K55 |
0.34~0.39 |
0.20~ |
1.25~1.50 |
≤0.020 |
≤0.015 |
≤0.15 |
≤0.20 |
≤0.20 |
|
|
≤0.020 |
(37Mn5) |
||||||||||||
N80 |
0.34~0.38 |
0.20~ |
1.45~1.70 |
≤0.020 |
≤0.015 |
≤0.15 |
|
|
|
0.11 |
≤0.020 |
|
(36 Mn2V) |
||||||||||||
L80(13Cr) |
0.15~0.22 |
≤1.00 |
0.25~1.00 |
≤0.020 |
≤0.010 |
12.0~ |
≤0.20 |
≤0.20 |
|
|
≤0.020 |
|
P110 |
0.26~0.35 |
0.17~ |
0.40~0.70 |
≤0.020 |
≤0.010 |
0.80~ |
≤0.20 |
≤0.20 |
0.15 |
≤0.08 |
≤0.020 |
|
(30CrMo) |
Labels |
Outside diameter |
T&C |
Wall thickness |
Type of end-finish |
|
|||||||
|
||||||||||||
1 |
2 |
J55/K55 |
M65 |
L80/R95 |
N80-1/Q |
C90/T95 |
P110 |
Q125 |
|
|||
4-1/2 |
9.50 |
114.30 |
14.14 |
5.21 |
PS |
PS |
- |
- |
- |
- |
- |
|
10.50 |
114.30 |
15.63 |
5.69 |
PSB |
PSB |
- |
- |
- |
- |
- |
|
|
11.60 |
114.30 |
17.26 |
6.35 |
PSLB |
PLB |
PLB |
PLB |
PLB |
PLB |
- |
|
|
13.50 |
114.30 |
20.09 |
7.37 |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
- |
|
|
15.10 |
114.30 |
22.47 |
8.56 |
- |
- |
- |
- |
- |
PLB |
PLB |
|
|
5 |
11.50 |
127.00 |
17.11 |
5.59 |
PS |
PS |
- |
- |
- |
- |
- |
|
13.00 |
127.00 |
19.35 |
6.43 |
PSLB |
PSLB |
- |
- |
- |
- |
- |
|
|
15.00 |
127.00 |
22.32 |
7.52 |
PSLB |
PLB |
SLB |
PLB |
PLB |
PLB |
|
|
|
18.00 |
127.00 |
26.79 |
9.19 |
- |
PLB |
SLB |
PLB |
PLB |
PLB |
PLB |
|
|
21.40 |
127.00 |
31.85 |
11.10 |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
PLB |
|
|
23.20 |
127.00 |
34.53 |
12.14 |
- |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
|
|
24.10 |
127.00 |
35.87 |
12.70 |
- |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
|
|
5-1/2 |
14.00 |
139.70 |
20.83 |
6.20 |
PS |
PS |
- |
- |
- |
- |
- |
|
15.50 |
139.70 |
23.07 |
6.98 |
PSLB |
PSLB |
- |
- |
- |
- |
- |
|
|
17.00 |
139.70 |
25.30 |
7.72 |
PSLB |
PLB |
PLB |
PLB |
PLB |
PLB |
- |
|
|
20.00 |
139.70 |
29.76 |
9.17 |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
- |
|
|
23.00 |
139.70 |
34.23 |
10.54 |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
PLB |
|
|
26.80 |
139.70 |
39.88 |
12.70 |
- |
- |
- |
- |
P |
- |
- |
|
|
29.70 |
139.70 |
44.20 |
14.27 |
- |
- |
- |
- |
P |
- |
- |
|
|
32.60 |
139.70 |
48.52 |
15.88 |
- |
- |
- |
- |
P |
- |
- |
|
|
35.30 |
139.70 |
52.53 |
17.45 |
- |
- |
- |
- |
P |
- |
- |
|
|
38.00 |
139.70 |
56.55 |
19.05 |
- |
- |
- |
- |
P |
- |
- |
|
|
40.50 |
139.70 |
60.27 |
20.62 |
- |
- |
- |
- |
P |
- |
- |
|
|
43.10 |
139.70 |
64.14 |
22.22 |
- |
- |
- |
- |
P |
- |
- |
|
|
6-5/8 |
20.00 |
168.28 |
29.76 |
7.32 |
PSLB |
PSLB |
- |
- |
- |
- |
- |
|
24.00 |
168.28 |
35.72 |
8.94 |
PSLB |
PLB |
PLB |
PLB |
PLB |
PLB |
- |
|
|
28.00 |
168.28 |
41.67 |
10.59 |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
- |
|
|
32.00 |
168.28 |
47.62 |
12.06 |
- |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
|
|
7 |
17.00 |
177.80 |
25.30 |
5.87 |
- |
- |
- |
- |
- |
- |
- |
|
20.00 |
177.80 |
29.76 |
6.91 |
PS |
PS |
- |
- |
- |
- |
- |
|
|
23.00 |
177.80 |
34.23 |
8.05 |
PSLB |
PLB |
PLB |
PLB |
PLB |
- |
- |
|
|
26.00 |
177.80 |
38.69 |
9.19 |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
- |
|
|
29.00 |
177.80 |
43.16 |
10.36 |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
- |
|
|
32.00 |
177.80 |
47.62 |
11.51 |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
- |
|
|
35.00 |
177.80 |
52.09 |
12.65 |
- |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
|
|
38.00 |
177.80 |
56.55 |
13.72 |
- |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
|
|
42.70 |
177.80 |
63.55 |
15.88 |
- |
- |
- |
- |
P |
- |
- |
|
|
46.40 |
177.80 |
69.05 |
17.45 |
- |
- |
- |
- |
P |
- |
- |
|
|
50.10 |
177.80 |
74.56 |
19.05 |
- |
- |
- |
- |
P |
- |
- |
|
|
53.60 |
177.80 |
79.77 |
20.62 |
- |
- |
- |
- |
P |
- |
- |
|
|
57.10 |
177.80 |
84.98 |
22.22 |
- |
- |
- |
- |
P |
- |
- |
|
|
7-5/8 |
24.00 |
193.68 |
35.72 |
7.62 |
- |
- |
- |
- |
|
- |
- |
|
26.40 |
193.68 |
39.29 |
8.33 |
PSLB |
PSLB |
PLB |
PLB |
PLB |
- |
- |
|
|
29.70 |
193.68 |
44.20 |
9.52 |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
- |
|
|
33.70 |
193.68 |
50.15 |
10.92 |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
- |
|
|
39.00 |
193.68 |
58.04 |
12.70 |
- |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
|
|
42.80 |
193.68 |
63.69 |
14.27 |
- |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
|
|
45.30 |
193.68 |
67.42 |
15.11 |
- |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
|
|
47.10 |
193.68 |
70.09 |
15.88 |
- |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
|
|
51.20 |
193.68 |
76.20 |
17.45 |
- |
- |
- |
- |
P |
- |
- |
|
|
55.30 |
193.68 |
82.30 |
19.05 |
- |
- |
- |
- |
P |
- |
- |
|
|
7-3/4 |
46.10 |
196.85 |
68.61 |
15.11 |
- |
- |
P |
P |
P |
P |
P |
|
8-5/8 |
24.00 |
219.08 |
35.72 |
6.71 |
PS |
PS |
- |
- |
- |
- |
- |
|
28.00 |
219.08 |
41.67 |
7.72 |
|
PS |
- |
- |
- |
- |
- |
|
|
32.00 |
219.08 |
47.62 |
8.94 |
PSLB |
PSLB |
- |
- |
- |
- |
- |
|
|
36.00 |
219.08 |
53.58 |
10.16 |
PSLB |
PSLB |
PLB |
PLB |
PLB |
PLB |
- |
|
|
40.00 |
219.08 |
59.53 |
11.43 |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
- |
|
|
44.00 |
219.08 |
65.48 |
12.70 |
- |
- |
PLB |
PLB |
PLB |
PLB |
- |
|
|
49.00 |
219.08 |
72.92 |
14.15 |
- |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
|
|
9-5/8 |
32.30 |
244.48 |
48.07 |
7.92 |
- |
- |
- |
- |
- |
- |
- |
|
36.00 |
244.48 |
53.58 |
8.94 |
PSLB |
PSLB |
- |
- |
- |
- |
- |
|
|
40.00 |
244.48 |
59.53 |
10.03 |
PSLB |
PSLB |
PLB |
PLB |
PLB |
- |
- |
|
|
43.50 |
244.48 |
64.74 |
11.05 |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
- |
|
|
47.00 |
244.48 |
69.95 |
11.99 |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
PLB |
|
|
53.50 |
244.48 |
79.62 |
13.84 |
- |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
|
|
58.40 |
244.48 |
86.91 |
15.11 |
- |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
|
|
59.40 |
244.48 |
88.40 |
15.47 |
- |
- |
- |
- |
P |
- |
- |
|
|
64.90 |
244.48 |
96.58 |
17.07 |
- |
- |
- |
- |
P |
- |
- |
|
|
70.30 |
244.48 |
104.62 |
18.64 |
- |
- |
- |
- |
P |
- |
- |
|
|
75.60 |
244.48 |
112.51 |
20.24 |
- |
- |
- |
- |
P |
- |
- |
|
|
10-3/4 |
32.75 |
273.05 |
48.74 |
7.09 |
- |
- |
- |
- |
- |
- |
- |
|
40.50 |
273.05 |
60.27 |
8.89 |
PSB |
PSB |
- |
- |
- |
- |
- |
|
|
45.50 |
273.05 |
67.71 |
10.16 |
PSB |
PSB |
- |
- |
- |
- |
- |
|
|
51.00 |
273.05 |
75.90 |
11.43 |
PSB |
PSB |
PSB |
PSB |
PSB |
PSB |
- |
|
|
55.50 |
273.05 |
82.60 |
12.57 |
- |
PSB |
PSB |
PSB |
PSB |
PSB |
- |
|
|
60.70 |
273.05 |
90.33 |
13.84 |
- |
- |
- |
- |
PSB |
PSB |
PSB |
|
|
65.70 |
273.05 |
97.77 |
15.11 |
- |
- |
- |
- |
PSB |
PSB |
PSB |
|
|
73.20 |
273.05 |
108.94 |
17.07 |
- |
- |
- |
- |
P |
- |
- |
|
|
79.20 |
273.05 |
117.87 |
18.64 |
- |
- |
- |
- |
P |
- |
- |
|
|
85.30 |
273.05 |
126.94 |
20.24 |
- |
- |
- |
- |
P |
- |
- |
|
|
11-3/4 |
42.00 |
298.45 |
62.50 |
8.46 |
- |
- |
- |
- |
- |
- |
- |
|
47.00 |
298.45 |
69.95 |
9.53 |
PSB |
PSB |
- |
- |
- |
- |
- |
|
|
54.00 |
298.45 |
80.36 |
11.05 |
PSB |
PSB |
- |
- |
- |
- |
- |
|
|
60.00 |
298.45 |
89.29 |
12.42 |
PSB |
PSB |
PSB |
PSB |
PSB |
PSB |
PSB |
|
|
65.00 |
298.45 |
96.73 |
13.56 |
- |
- |
P |
P |
P |
P |
P |
|
|
71.00 |
298.45 |
105.66 |
14.78 |
- |
- |
P |
P |
P |
P |
P |
|
|
13-3/8 |
48.00 |
339.72 |
71.43 |
8.38 |
- |
- |
- |
- |
- |
- |
- |
|
54.50 |
339.72 |
81.11 |
9.65 |
PSB |
PSB |
- |
- |
- |
- |
- |
|
|
61.00 |
339.72 |
90.78 |
10.92 |
PSB |
PSB |
- |
- |
- |
- |
- |
|
|
68.00 |
339.72 |
101.20 |
12.19 |
PSB |
PSB |
PSB |
PSB |
PSB |
PSB |
- |
|
|
72.00 |
339.72 |
107.15 |
13.06 |
- |
- |
PSB |
PSB |
PSB |
PSB |
PSB |
|
|
16 |
65.00 |
406.40 |
96.73 |
9.53 |
- |
- |
- |
- |
- |
- |
- |
|
75.00 |
406.40 |
111.62 |
11.13 |
PSB |
PSB |
- |
- |
- |
- |
- |
|
|
84.00 |
406.40 |
125.01 |
12.57 |
PSB |
PSB |
- |
- |
- |
- |
- |
|
|
109.00 |
406.40 |
162.21 |
16.66 |
P |
- |
P |
P |
- |
P |
P |
|
|
18-5/8 |
87.50 |
473.08 |
130.22 |
11.05 |
PSB |
PSB |
- |
- |
- |
- |
- |
|
20 |
94.00 |
508.00 |
139.89 |
11.13 |
PSLB |
PSLB |
- |
- |
- |
- |
- |
|
106.50 |
508.00 |
158.49 |
12.70 |
PSLB |
PSLB |
- |
- |
- |
- |
- |
|
|
133.00 |
508.00 |
197.93 |
16.13 |
PSLB |
- |
- |
- |
- |
- |
- |
* P – plain end, S – short round thread, B – buttress, L – long round thread
Name |
J55 | K55 | N80-1 | N80-Q | L80-1 | P110 |
Casing | a bright green band | two bright green bands | a bright red band | a bright red band + a green band | a red band + a brown band | a bright white band |
Coupling | entire green coupling + a white band | entire green coupling | entire red coupling | entire red coupling + a green band | entire red coupling + a brown band | entire white coupling |