The casing is made in accordance with the American Petroleum Institute standard API 5CT. It is used as a steel pipe to support the wellbore of oil and gas wells to ensure the normal operation of the entire oil well during the drilling process and after completion.
GNEE Group specializes in the production of API 5CT casing. The casing grades that can be produced include J55, K55, N80, L80, P110, etc. If you need casing, you can contact us at any time.
Carbon Steel Casing Pipe Specification
| Standard | Grade | Chemical composition(%) | − | − | − | − | − | − | − | − | − | − |
| C | Si | Mn | P | S | Cr | Ni | Cu | Mo | V | Als | − | − |
| API,SPEC,5CT | J55K55,(37Mn5) | 0,34～0,39 | 0,20～0,35 | 1,25～1,50 | ≤0,020 | ≤0,015 | ≤0,15 | ≤0,20 | ≤0,20 | − | − | ≤0,020 |
| N80,(36,Mn2V) | 0,34～0,38 | 0,20～0,35 | 1,45～1,70 | ≤0,020 | ≤0,015 | ≤0,15 | − | − | − | 0,11～0,16 | ≤0,020 | − |
| L80(13Cr) | 0,15～0,22 | ≤1,00 | 0,25～1,00 | ≤0,020 | ≤0,010 | 12,0～14,0 | ≤0,20 | ≤0,20 | − | − | ≤0,020 | − |
| P110,(30CrMo) | 0,26～0,35 | 0,17～0,37 | 0,40～0,70 | ≤0,020 | ≤0,010 | 0,80～1,10 | ≤0,20 | ≤0,20 | 0,15～0,25 | ≤0,08 | ≤0,020 | − |
FAQ
Q. Are you a factory or a pure trading company?
A: We are a factory.
Q. Is your price competitive?
A: For the same quality, our price is lower, and for the same price, our quality is better.
Q. What are the advantages of your company?
A: Factory spot, competitive price, excellent quality, support factory inspection, video call at any time, 24/7 technical support. At the same time, we can provide logistics and transportation services.
Q. Do you support OEM or ODM?
A: We welcome customers to cooperate with us through OEM or ODM. We have a professional technical team and can customize according to drawings or requirements.
Q. What trade terms do you usually use?
A: We use FOB, CIF, C&R, DDU, DDP.
Q. When is your usual delivery time?
A: From the PI execution date, spot products will be delivered within 3 days, and customized products will be delivered within 15 days. For special circumstances, please communicate again. All our products undergo strict quality inspection before leaving the factory to ensure that the goods you receive are of excellent quality.
Q: What are your payment terms?
A: We use TT and LC, or any other available payment methods.
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