IMRI’s N80-1 tubing is certified to API 5CT. The LTC thread provides enhanced gas-tight integrity, enabling metal-to-metal sealing at internal pressures above 8,500 psi, ideal for hydrogen-containing wells and hydraulic fracturing operations

IMRI’s N80-1 tubing is certified to API 5CT. The LTC thread provides enhanced gas-tight integrity, enabling metal-to-metal sealing at internal pressures above 8,500 psi, ideal for hydrogen-containing wells and hydraulic fracturing operations

Email:
sales@imristeel.com

Phone:
+86 13646172523


API 5CT K55 is a steel pipe made by either a seamless process or an EW welding process.
Common EW processes include ERW and EFW.
ERW (Electric Resistance Welding) is typically used for tubes with thinner walls, while EFW (Electrofusion Welding) is used for tubes with thicker walls, which are able to withstand higher pressures.
Coupling materials, coupling blanks and coupling materials must be manufactured using a seamless process.

| Grade | C | Mn | Mo | Cr | Nb | Ni | Cu | P | S | Si | ||||
| min | max | min | max | min | max | min | max | max | max | max | max | max | max | |
| J55 | — | — | — | — | — | — | — | — | — | — | — | 0.030 | 0.030 | — | 
| N80-1 | — | — | — | — | — | — | — | — | — | — | — | 0.030 | 0.030 | — | 
| N80Q | — | — | — | — | — | — | — | — | — | — | — | 0.030 | 0.030 | — | 
| L80 – 1 | — | 0.43a | — | 1.90 | — | — | — | 1.50 | — | 0.25 | 0.35 | 0.030 | 0.030 | 0.45 | 
| L80 – 9Cr | — | 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 | — | 0.35 | — | 1.20 | 0.25b | 0.85 | — | 1.50 | — | 0.99 | — | 0.020 | 0.010 | — | 
| P110 | — | — | — | — | — | — | — | — | — | — | — | 0.030e | 0.030e | — | 
| Grade | Total Elongation Under Load % | Yield Strength MPa | Tensile Strength min MPa | |
| min | max | |||
| J55 | 0.5 | 379 | 552 | 517 | 
| N80-1 | 0.5 | 552 | 758 | 689 | 
| N80Q | 0.5 | 552 | 758 | 689 | 
| L80 – 1 | 0.5 | 552 | 655 | 655 | 
| L80 – 9Cr | 0.5 | 552 | 655 | 655 | 
| L80 – 13Cr | 0.5 | 552 | 655 | 655 | 
| N80-1 | 0.5 | 552 | 655 | 655 | 
| C90 | 0.5 | 621 | 724 | 689 | 
| P110 | 0.6 | 758 | 965 | 862 | 
| 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 | not have | |
| 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 | |


 
 

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