Well drilling Oilfield Tubing Pipe N80 Steel Grade Seamless Special Pipe
Tubing pipe description:
Oil seamless tubing is widely used for transporting crude oil and natural gas to surface after drilling work
is finished.Tubing pipe is manufactured in the same way as casing, except that an additional process
known as "upsetting" is applied to thicken the pipes.
Features:
1. Seamless oil pipe
2. Hot-rolling pipe
3. Size OD: 1.05”-4 1/2”
Technical specification:
Product | Casing and tubing |
Material | Alloy steel |
Color | Black painting |
Standard | API 5CT |
Grade | H40/ J55/ K55/ N80 / N80Q /R95 /P110 /Q125... |
OD size | 1.05”-20” |
Thread | EU,NU, BTC, STC, LTC, INTEGRAL-JOINT |
Application | Oil country tubular goods / oil well |
Mechanical properties:
Grade | Yield Strength | Tensile Strenght | Hardness | Allowable | |||||
Min | Max | Min | Max | Max | Hardness | ||||
Psi | Mpa | Psi | Mpa | Psi | Mpa | HRC | BHN | Variation | |
J55 | 55,000 | 379 | 80,000 | 552 | 75,000 | 517 | - | - | - |
K55 | 55,000 | 379 | 88,000 | 552 | 95,000 | 655 | - | - | - |
N80 | 80,000 | 552 | 110,000 | 758 | 100,000 | 689 | - | - | - |
N80-1 | 80,000 | 552 | 95,000 | 655 | 95,000 | 655 | 23 | 241 | - |
C90 | 90,000 | 621 | 105,000 | 724 | 100,000 | 689 | 25.4 | 255 | 3 |
C95 | 95,000 | 655 | 110,000 | 758 | 105,000 | 724 | - | - | - |
T95 | 95,000 | 655 | 110,000 | 758 | 105,000 | 724 | 25.4 | 255 | 3 |
P110 | 110,000 | 758 | 140,000 | 965 | 125,000 | 862 | - | - | - |