IMRI’s API 5CT N80Q casing is the best choice for the rigors of oil and gas wells due to its superior strength and reliability. The LTC threaded connection ensures a tight and stable seal to prevent fluid leakage.
IMRI’s API 5CT N80Q casing is the best choice for the rigors of oil and gas wells due to its superior strength and reliability. The LTC threaded connection ensures a tight and stable seal to prevent fluid leakage.
Email:
sales@imristeel.com
Phone:
+86 13646172523
Grade | Type | Total under load Elongation % | Yield strength megapascal | Tensile strength megapascal | Hardness a, C Maximum | Specified OD mm | Allowable hardness Variation | ||
Min | Max | Min | HRC | HBW | HRC | ||||
H40 | – | 0.5 | 276 | 552 | 414 | – | – | – | – |
J55 | – | 0.5 | 379 | 552 | 517 | – | – | – | – |
K55 | – | 0.5 | 379 | 552 | 655 | – | – | – | – |
N80 | 1 | 0.5 | 552 | 758 | 689 | – | – | – | – |
N80 | Q | 0.5 | 552 | 758 | 689 | – | – | – | – |
R95 | – | 0.5 | 655 | 758 | 724 | – | – | – | – |
L80 | 1 | 0.5 | 552 | 655 | 655 | 23.0 | 241 | – | – |
L80 | 3Cr | 0.5 | 552 | 655 | 655 | 23.0 | 241 | – | – |
L80 | 9Cr | 0.5 | 552 | 655 | 655 | 23.0 | 241 | – | – |
L80 | 13Cr | 0.5 | 552 | 655 | 655 | 23.0 | 241 | – | – |
C90 |
– |
0.5 |
621 |
724 |
689 |
25.4 |
255 | ≤12.70 | 3.0 |
12.71 to 19.04 | 4.0 | ||||||||
19.05 to 25.39 | 5.0 | ||||||||
≥25.40 | 6.0 | ||||||||
T95 |
– |
0.5 |
655 |
758 |
724 |
25.4 |
255 | ≤12.70 | 3.0 |
12.71 to 19.04 | 4.0 | ||||||||
19.05 to 25.39 | 5.0 | ||||||||
≥25.40 | 6.0 | ||||||||
C110 |
– |
0.7 |
758 |
828 |
793 |
29 |
279 | ≤12.70 | 3.0 |
12.71 to 19.04 | 4.0 | ||||||||
19.05o to 25.39 | 5.0 | ||||||||
≥25.40 | 6.0 | ||||||||
P110 | – | 0.6 | 758 | 965 | 862 | – | – | – | – |
Q125 | – | 0.65 | 862 | 1034 | 931 | b | – | ≤12.70 | 3.0 |
12.71 to 19.04 | 4.0 | ||||||||
≥19.05 | 5.0 |
Grade | Type | C | Mn | Mo | Cr | Ni | Cu | P | S | Si | ||||
Min | Max | Min | Max | Min | Max | Min | Max | Max | Max | Max | Max | Max | ||
H40 | – | – | – | – | – | – | – | – | – | – | – | 0.030 | 0.030 | – |
J55 | – | – | – | – | – | – | – | – | – | – | – | 0.030 | 0.030 | – |
K55 | – | – | – | – | – | – | – | – | – | – | – | 0.030 | 0.030 | – |
N80 | 1 | – | – | – | – | – | – | – | – | – | 0.030 | 0.030 | – | |
N80 | Q | – | – | – | – | – | – | – | – | – | – | 0.030 | 0.030 | – |
R95 | – | – | 0.45 | – | 1.90 | – | – | – | – | – | – | 0.030 | 0.030 | 0.45 |
L80 | 1 | – | 0.43 | – | 1.90 | – | – | – | – | 0.25 | 0.35 | 0.030 | 0.030 | 0.45 |
L80 | – | – | 0.15 | 0.30 | 0.60 | 0.90 | 1.10 | 8.00 | 10.0 | 0.50 | 0.25 | 0.020 | 0.010 | 1.00 |
L80 | 13Cr | 0.15 | 0.22 | 0.25 | 1.00 | – | – | 12.0 | 14.0 | 0.50 | 0.25 | 0.020 | 0.010 | 1.00 |
C90 | 1 | – | 0.35 | – | 1.20 | 0.25 | 0.85 | – | 1.50 | 0.99 | – | 0.020 | 0.010 | – |
T95 | 1 | – | 0.35 | – | 1.20 | 025 | 0.85 | 0.40 | 1.50 | 0.99 | – | 0.020 | 0.010 | – |
C110 | – | – | 0.35 | – | 1.20 | 0.25 | 1.00 | 0.40 | 1.50 | 0.99 | – | 0.020 | 0.005 | – |
P110 | – | – | – | – | – | – | – | – | – | – | – | 0.030 | 0.030 | – |
Q125 | 1 | – | 0.35 | – | 1.35 | – | 0.85 | – | 1.50 | 0.99 | – | 0.020 | 0.010 | – |
Grade | Type | Straps for products longer than 1.8 meters Quantity and color | Coupling color | |
The whole coupling | Brand | |||
H40 | No belt or black belt, to be selected by the manufacturer | not have | Same as for the pipeline | |
J55 | A sea of green | Bright green | One white | |
K55 | Two emerald green | Bright green | not have | |
N80 | 1 | One red | red | not have |
N80 | Q | One is red, the other emerald green | red | green |
R95 | One brown | brown | not have | |
L80 | 1 | One red, one brown | red | One brown |
L80 | 3Cr | One red and one white | red | One white |
L80 | 9Cr | One red, one brown, two yellow | not have | Two yellows |
L80 | 13Cr | One red, one brown and one yellow | not have | One yellow |
C90 | A purple one | purple | not have | |
T95 | One silver | silvery | not have | |
C110 | One white, two brown | white | Two brown | |
P110 | One white | white | not have | |
Q125 | One orange | orange | not have |
Scope 1 | Scope 2 | Scope 3 | |
Tubes (PE/T and C/SF) | 4.88 to 7.62 1.83 | 7.62 to 10.36 one point five two | 10.36 to 14.63 1.83 |
Oil pipes and casing used as oil pipes (PE/T and C/SF) | 6.10 to 7.32b 0.61 | 8.53 to 9.75 point six one | 11.58 to 12.80d 0.61 |
Overall joint tubing (including IJ/PE and IJ/SF) | 6.10 to 7.92 0.61 | 8.53 to 10.36 0.61 | 11.58 to 13.72 0.61 |
short section | Length: 0.61,0.91,1.22,1.83,2.44,3.05 and 3.669 Tolerance: ±0.076 |
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