API 5CT N80 Carbon Steel Seamless Tubing belongs to medium carbon manganese steel. According to different heat treatment methods, N80 steel casing is divided into two types: N80-1 and N80-Q. Among them, N80-1 is usually treated by normalizing, while N80-Q is treated by quenching and tempering. API 5CT Grade N80 Tubing is mainly used for the casing part of oil and gas wells, supporting the well wall, preventing the well wall from collapsing, and protecting the wellbore. It is particularly suitable for the exploitation of medium-deep wells and deep wells, and can maintain stable performance under high pressure and corrosive environments.
Products Data
API 5CT N80 Casing Tubing Color Code
| Name | Casing | Coupling |
| N80-1 | a bright red band | entire red coupling |
| N80-Q | a bright red band + a green band | entire red coupling + a green band |
API 5CT N80 Oil Casing pipe Chemical Composition
| Grade | C | Si | Mn | P | S | Cr | Ni | Cu | Mo |
| N80 type1/Q | 0.34-0.38 | 0.20-0.35 | 1.45-1.70 | 0.020 | 0.015 | 0.15 | / | / | / |
API 5CT N80 Casing Steel Pipe Mechanical Property
| Grades | Yield Strength (Mpa) | Tensile Strength (Mpa) | Elongation under load, % |
| N80 type 1 | 552-758 | 689 | 0.5 |
| N80 type Q | 552-758 | 689 | 0.5 |
Products display
API 5CT Grade N80 Steel Oil Casing Pipe
Why Choose GNEE
Gnee Steel has 10 hot-rolled seamless steel pipe production lines and 5 cold-drawn seamless steel pipe production lines. It can produce seamless pipes of various specifications and materials. The products are widely used in the fields of petroleum, electricity, chemical industry, coal, machinery, etc.
The products are exported to the United States, Europe, India, Iran, Dubai, Vietnam, South America and other countries and regions.
If any question,please contact with us freely by E-mail or Telephone.sales@gneetube.com
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FAQ
Q:Do you offer a service for customized products?
Yes, we can produce according to your specifications and drawings.
Q:Can you assist me in importing steel products for the first time?
Yes, we have shipping agent who will arrange the shipment with you.
Q. What is your delivery time?
Within 7 working days after receiving your balance payment.
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