API 5CT API 5b Seamless Steel Drill Pipe or Tubing for Oil Well Drilling in Oilfield Casing Pipe
benefits of Using API 5ct seamless steel drill Pipe in Oil Well drilling API 5CT seamless steel drill pipe is a crucial component in oil well drilling operations in the oilfield Casing pipe. This type of drill pipe is manufactured according to the American petroleum institute (API) standards, specifically API 5CT and API 5b. These…
benefits of Using API 5ct seamless steel drill Pipe in Oil Well drilling
API 5CT seamless steel drill pipe is a crucial component in oil well drilling operations in the oilfield Casing pipe. This type of drill pipe is manufactured according to the American petroleum institute (API) standards, specifically API 5CT and API 5b. These standards ensure that the drill pipe meets the necessary requirements for use in demanding drilling environments. One of the key benefits of using API 5CT seamless steel drill pipe is its High strength and durability. The seamless construction of the pipe eliminates weak points that are often found in welded pipes, making it more resistant to the high pressures and stresses encountered during drilling operations. This increased strength and durability help to prevent pipe failures and reduce the risk of costly downtime.
chemical Composition, Mass Fraction (%) | ||||||||||||||
grade | C | Mn | Mo | Cr | Ni | Cu | P | S | Si | |||||
Type | min | max | min | max | min | max | min | max | max | max | max | max | max | |
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
H40 | — | — | — | — | — | — | — | — | — | — | — | — | 0.03 | — |
J55 | — | — | — | — | — | — | — | — | — | — | — | — | 0.03 | — |
K55 | — | — | — | — | — | — | — | — | — | — | — | — | 0.03 | — |
N80 | 1 | — | — | — | — | — | — | — | — | — | — | 0.03 | 0.03 | — |
N80 | Q | — | — | — | — | — | — | — | — | — | — | 0.03 | 0.03 | — |
R95 | — | — | 0.45 c | — | 1.9 | — | — | — | — | — | — | 0.03 | 0.03 | 0.45 |
L80 | 1 | — | 0.43 a | — | 1.9 | — | — | — | — | 0.25 | 0.35 | 0.03 | 0.03 | 0.45 |
L80 | 9Cr | — | 0.15 | 0.3 | 0.6 | 0.9 | 1.1 | 8 | 10 | 0.5 | 0.25 | 0.02 | 0.03 | 1 |
L80 | 13Cr | 0.15 | 0.22 | 0.25 | 1 | — | — | 12 | 14 | 0.5 | 0.25 | 0.02 | 0.03 | 1 |
C90 | 1 | — | 0.35 | — | 1.2 | 0.25 b | 0.85 | — | 1.5 | 0.99 | — | 0.02 | 0.03 | — |
T95 | 1 | — | 0.35 | — | 1.2 | 0.25 b | 0.85 | 0.4 | 1.5 | 0.99 | — | 0.02 | 0.03 | — |
C110 | — | — | 0.35 | — | 1.2 | 0.25 | 1 | 0.4 | 1.5 | 0.99 | — | 0.02 | 0.03 | — |
P110 | e | — | — | — | — | — | — | — | — | — | — | 0.030 e | 0.030 e | — |
Q125 | 1 | — | 0.35 | 1.35 | — | 0.85 | — | 1.5 | 0.99 | — | 0.02 | 0.01 | — | |
NOTE Elements shown shall be reported in product analysis. | ||||||||||||||
a The carbon content for L80 may be increased up to 0.50 % maximum if the product is oil-quenched or polymer-quenched. | ||||||||||||||
b The molybdenum content for Grade C90 Type 1 has no minimum tolerance if the Wall thickness is less than 17.78 mm. | ||||||||||||||
c The carbon content for R95 may be increased up to 0.55 % maximum if the product is oil-quenched. | ||||||||||||||
d The molybdenum content for T95 Type 1 may be decreased to 0.15 % minimum if the wall thickness is less than 17.78 mm. | ||||||||||||||
e For EW Grade p110, the phosphorus content shall be 0.020 % maximum and the sulfur content 0.010 % maximum. |