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api 5ct l80 Casing Tubinggrade Color Codes
API 5CT L80 Casing TubingGrade Color Codes | ||||
Grade | Grade Type | Number and Color of Bands for Product a with Length ³ 1.8 m | Color(s) for Couplings | |
Entire Coupling | Band(s) b, c | |||
1 | 2 | 3 | 4 | 5 |
H40 | — | None or black band at the Manufacturer’s option | None | Same as for pipe |
J55 Tubing | — | One bright green | Bright green | None |
j55 casing | — | One bright green | Bright green | One white |
K55 | — | Two bright green | Bright green | None |
N80 | 1 | One red | Red | None |
N80 | Q | One red, one bright green | Red | Green |
R95 | — | One brown | Brown | None |
L80 | 1 | One red, one brown | Red | One brown |
L80 | 9Cr | One red, one brown, two yellow | None | Two yellow |
L80 | 13Cr | One red, one brown, one yellow | None | One yellow |
C90 | 1 | One purple | Purple | None |
T95 | 1 | One Silver | Silver | None |
C110 | — | One white, two brown | White | Two brown |
P110 | — | One white | White | None |
Q125 | 1 | One orange | Orange | None |
a In the case of coupling Material, unless otherwise specified in the purchase agreement, the manufacturer’s internal requirements shall govern. | ||||
b Special clearance couplings shall also have a black band. | ||||
c Seal-ring couplings shall also have a blue band. |
As a leading supplier of oil drilling equipment, we understand the importance of delivering products that consistently meet the needs of our customers. That’s why we go above and beyond to ensure that our products are of the highest quality, offering unmatched performance and reliability. Whether you are a distributor, contractor, or operator in the oil drilling industry, you can rely on our API 5b oil drilling equipment to deliver the results you need. Contact us today to learn more about our products and how we can meet your specific requirements. With our extensive range of high-quality oil drilling equipment, including N80, T95, and Q125 OCTG oil casing, API downhole inflatable external casing packers for oil well repair tools, and 1 3/8 inch galvanized packers, we have everything you need to keep your operations running smoothly.