With the exploration and innovation of company people, gradually formed four major advantageous products: steel plate, steel pipe, stainless steel, special steel.
API-5CT K55 oilfield casing pipe is very similar to J55, there is no significant difference in the chemical composition and yield strength, however the ultimate tensile strength of K55 is higher than J55 steel, K55/J55 are 655MPa and 517MPa respectively. K55 has better mechanical and thermal fatigue resistance and crack resistance than K55.
K55: API 5CT GENERAL SCOPE: API 5CT grades are commonly used in casing, production tubing, coupling stock, pup joints, and various down hole accessories. Energy Alloys stocks a variety of sizes in tubular form for this grade category. Chemical Composition: C Mn P S Si Cr Mo Minimum Maximum 0.030 0
API J55. Minimum Yield Strength: 55,000 psi. Maximum Yield Strength: 80,000 psi. Minimum Tensile Strength: 75,000 psi. Hardness Requirement: None. Notes: General purpose pipe manufactured to API specification 5CT. Similar to K55 except the minimum tensile strength is lower. Usually, this grade is used in tubing applications.
J55 and K55 Oil Casing in API 5CT. J55 and K55 impact test must be done, the minimum size of the sample lateral impact energy 20J, the smallest full-size sample longitudinal impact energy 27J. PSL2: J55 and K55 for wall thickness measurement and recording deal with the entire length of the best coverage of the surface area of automatic detection system should reach 25%.
Minimum tensile strength: 517 MPa (75 ksi) K55. Yield strength: 379-552 MPa (55-80 ksi), Minimum tensile strength: 665 MPa (95 ksi) Heat treatment (PSL2 and PSL1 are different) API 5CT J55 PSL1 and API 5CT K55 PSL2 is the same (Rolling delivery); PSL2 :J55 and K55 should be normalized or normalized and tempered.
Similar to K55 except the minimum tensile strength is lower. API K55 is a general purpose pipe manufactured to API specification 5CT. Usually, this grade is most often used in casing applications. API N80 Type I is a lower cost alternative to standard Quench and Tempered API N80 (walls less than 0.500 inch).
Tensile Strength: 517 MPa min 75,000 psi min Yield Strength: 379 MPa min 552 MPa max 55,000 psi min 80,000 psi max Total Elongation Under Load: 0.500 % -Hardness - -
API grade K55 has the same yield as grade J55, but its minimum tensile strength is about 26% higher compared to J55. Yield strength: 379-552 MPa (55-80 ksi), Minimum tensile strength: 665 MPa (95 ksi) API color code: 2 bright green bands.
OCTG Steel Pipe, Seamless Casing, K55 Casing, K55 Tubing, ERW Casing, Oil Casing Pipe suppliers. k55 yield strength Yield strength MPa Tensile strength min. MPa Hardness a max.
Yield strength collapse. Yield strength collapse is based on yield at the inner wall using the Lam thick wall elastic solution. This criterion does not represent a "collapse" pressure at all. For thick wall pipes (D/t < 15), the tangential stress exceeds the yield strength of the material before a collapse instability failure occurs. k55 yield strength..(2) Nominal dimensions are used in the collapse equations.
Jetsun is a professional supplier of steel material in China.We provide common & customized steel pipes, pipe fitting and steel panels which are widely used for industries of petroleum, chemical engineering,nuclear power, paper making, marine vessel metallurgy and new energy sources etc.
K55: yield strength of 379MPa ~ 552MPa; tensile 655MPa; minimum elongation of K55 is 15%. Impact test J55 and K55 impact test must be done, the minimum size of the sample lateral impact energy 20J, the smallest full-size sample longitudinal impact energy 27J.
With the highest yield strengths among all API 5CT casing grades, P110 and Q125 are ideally suited for high pressure formations in deep wells. However, as steel becomes more susceptible to sulfide stress cracking the higher the yield strength, both grades should not be used in H2S environments.
API 5CT seamless steel tubing. Peotroleum and natureal gas industies - Steel pipes for use as casing or tubing for wells. API 5CT is a standard on the oil casing by American Petroleum Institute, mainly for the oil pipe, tubing and casing.
5 3/4 18.1 p-110 6640 10180 594 572 0.304 5.142 5 3/4 19.7 j-55 5410 5610 377 313 0.335 5.08
CASING TABLE API 8rd www.tarponpipe.com O.D. Nominal Collapse Body Yield Wall I.D. Maximum (inch) Weight (psi) 1000 lbs (inch) (inch) Setting T & C Depth lbs/ft PE STC LTC BTC API SP. DR. STC/ft. CASING TABLE Grade Internal Minimum Yeild (psi) Joint Strength 1000 lbs Drift Diameter (inch) 5 24.1 P-110 19800 19250 708 671 778 0.5 4 3.875
Yield Strength The yield strength of structural steel measures the minimum force required to create a permanent deformation in the steel. The naming convention used in European Standard EN10025 refers to the Minimum Yield strength of the steel grade tested at 16mm thick.
Table of Contents 1.0 Product 1.1 Products 1.2 Casing 1.3 Coupling 1.4 Pup Joint 1.5 Thread Protector 1.6 Tubing 2.0 Purchasers Rights 3.0 Purchasers Responsibility 4.0 Design Requirements 4.1 Design Requirements 4.2 Design Data Tables SI Units 4.3 Design Data Tables USC Units 5.0 Testing Requirements 5.1 Defects
API 5CT Grade K55 Carbon Steel Seamless Tubings are carbon steel pipes, strictly manufactured as per API (AMERICAN PETROLEUM INSTITUTE) to meet the clients requirements. . API 5CT Grade K55 carbon steel tubings are provided with multiple end connections like non-Upset ends and External Upset E
Due to the difference in tensile strength, the required minimum elongation J55 is 19% and K55 is 15%. 5. Impact test Body pipe: PSL1: No difference between J55 and K55; PSL2: J55 and K55 require a horizontal minimum impact energy of 20 J for a full-size specimen and 27 J for a full-size specimen.
For that reason, the collapsing strength and internal pressure strength of N80Q are greater than that of N80-1. When N80 casing is picked, n80-1 or N80Q ought to be clearly shown by the designer. As its mechanical properties are higher than J55 and K55 types, it might really well be made use of to certain a little bit more challenging developments.
API 5CT K55 mainly offers to protect the wall surface of a well and also protect against the oil and also gas from leak. Layer on its surface area supplies extra security versus the deterioration. There is no distinction in the chemical structure and yield strength, however the tensile strength of K55 is higher than J55 steel.
K55: API grade K55 has the same yield as grade J55, but its minimum tensile strength is about 26% higher compared to J55. M65: Not used that often, M65 is the only steel grade among the general purpose casing grades with the requirement of a restricted maximum hardness.
Thus L-80 grade steel has a minimum yield strength of 80,000 psi. In other words, it can support a stress of 80,000 psi with an elongation of less than 0.5%. The letter in conjunction with the number designates parameters such as the maximum yield strength and the minimum ultimate strength which for L-80 pipe are 95,000 psi.
Minimum Yield Strength: 30,000 psi: Maximum Yield Strength: None: Minimum Tensile Strength: 50,000 psi: Notes: This grade is a standard grade for ASTM A252. The specification coversthe requirements for welded and seamless steel piling pipe.
The most common materials for OCTG pipes are API H40, J55, K55, L80, N80, P110, and Q125 (casing and tubing pipes). These API grades feature increasing mechanical properties (tensile and yield strength). OCTG casing and tubing pipes are available in the following material grades:
If required by the customer, SSCC testing can be performed to U. S. Steel Standard Mill Practice P-1004 (NACE Standard TM-0177-Method A) with a guaranteed minimum threshold stress of 85 percent specified minimum yield strength.
API 5CT J55 Casing Tubing is a API 5CT Oil Casing Pipe & mainly used for oil well drilling. We manufacture API 5CT J55 Casing Tubing in accordance with the SY/T6194-96 standard, it is available as short thread type and long thread type supplied with their couplings.
Fatigue Strength The fatigue strength is defined as the maximum bending stress amplitude which a material withstands for 107 load cycles under symmetrical alternate load without breaking. It is dependent on the temper tested and is about 1/ 3 of the tensile strength R m. K55 130 140 150 160 170 180 190 200 210 220 0 5 10 15 20 25 30 500 C 450 k55 yield strength
k55 yield strength chart tensile strength k55 yield strength calculator yield strength of steel k55 yield strength formula yield strength calculation k55 yield strength vs yield strength formula
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