With the exploration and innovation of company people, gradually formed four major advantageous products: steel plate, steel pipe, stainless steel, special steel.
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.
L80: A restricted yield-tubing grade that is available in Type 1, 9 Cr, or 13 Cr. Type 1 is less expensive than 9 Cr and 13 Cr but more subject to weight-loss corrosion. L80 Type 1 is used commonly in many oil and gas fields because of higher strength than J55.
J55. General purpose manufactured to API specification 5CT. Similar to K55, except that the minimum tensile strength is lower. Available in casing dimnesions of 114.3 mm (4.5") to 508 mm (20") Available in tubing dimensions of 26.7 mm (1.05") to 114.3 mm (4.5")
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%.
API 5CT Grade J55 Carbon Steel Seamless Tubings are bundled as standard, with steel straps into hexagonal bundles with one end flush.Length sorting can be carried out on request. Tubes can also be bundled in multiples. Bundle weights are adjusted as requested by the customer. Each bundle contains tubes from a single cast/heat only.
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.
API organized these tubing grades into three groups. Group 1 is for all tubing in grades H40, J55, and N80. Group 2 is for restricted-yield tubing grades L80, C90, and T95. Group 3 is for high-strength tubing in seamless grade P110. The API grade letter designation was selected arbitrarily to provide a unique name for various steels.
Tubing Size Nominal Weight Grade Wall Thick- N n ess in. Inside Dia. in. Threaded Coupling Col- lapse Resis- tance psi Internal Yield Pres- B sure Joint Yield Strength Capacity Table T & C Non Upset lb/ft T & C Upset Drift Dia. Coupling Outside Dia. Nom. OD on-Upset in. Upset R g. in. Upset Spec. in. T & C Non-U s e t lb T & C et lb arrels per best j55 tubing yield strength
Yp = minimum yield strength, psi, t = nominal wall thickness, in., and. D = nominal outside pipe diameter, in. This equation, commonly known as the Barlow equation, calculates the internal pressure at which the tangential (or hoop) stress at the inner wall of the pipe reaches the yield strength (YS) of the material.
API Grade Yield Strength - Minimum PSI Yield Strength - Maximum PSI Tensile Strength - Minimum PSI Rockwell C Hardness (est.) H-40: 40,000: 80,000 : 60,000
J55. Yield strength: 379-552 MPa (55-80 ksi), Minimum tensile strength: 517 MPa (75 ksi) API color code: 1 bright green band; K55. 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)
The burst strength of the pipe body is determined by the internal yield pressure. Because a burst failure will not occur until after the stress exceeds the ultimate tensile strength (UTS), using a yield strength criterion as a measure of burst strength is an inherently conservative assumption.
PSL1: J55 and K55 on the tube did not do destructive testing mandatory requirements; PSL2: J55 and K55 for all pipe shall be one or more of the criteria specified in 10.15.5 tested to find the inner surface of the outer surface of the pipe and can receive the level of L4 longitudinal imperfections. The main steel grade of API 5CT: API 5CT J55 best j55 tubing yield strength
Highly tempered martensite is the structure most resistant to SSC at higher strength levels, and 0.75% is the Mo concentration that produces the optimum combination of yield strength and to SSC resistance. OCTG PIPE SUPPLIERS. The top OTCG pipes suppliers are: Tenaris (Argentina)
We supply the casing pipe & API 5CT J55 Casing Tubing accompanied with thread and coupling, or we offer our product in accordance with the following forms for option. If you are interested in API 5CT J55 Casing Tubing, we will supply you with the best price based on the highest quality.
The numbers are from the test reports from the supplier. This tubing is for a special application so it's different from off the shelf 4130 which is why it has a much bigger spread. From everything I have gathered Yield is much more important than Tensile strength.
Tubing Grade: Guidelines applied to the selection/use of tubing grades: H40 An API grade, The Yield strength is relatively low and the cost saving over J55 is minimal. This is why H40 is generally not used in tubing sizes, Used only for non-critical, shallow wells,
General Purpose Steel Grades offered by U. S. Steel: API H40 is a general purpose pipe manufactured to API specification 5CT. API J55 is a general purpose pipe manufactured to API specification 5CT. Similar to K55 except the minimum tensile strength is lower. API K55 is a general purpose pipe manufactured to API specification 5CT. Usually, this best j55 tubing yield strength
Tubing Table www.tarponpipe.com API Tubing Table I.D. (inch) DRIFT DIAMETER NUE T&C EUE T&C (inch) PE, NUE T&C BUTTR. T&C EUE T&C NUE T&C BUTTR. T&C EUE T&C INTERNAL YIELD PRESSURE at MINIMUM YIELD (psi) JOINT STRENGTH
API 5CT J55 Casing Tubing is a API 5CT Oil Casing Pipe & mainly used for oil well drilling. We supply 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.
Further, tubing must be sized to support the expected rates of production of oil and gas. Tubing Specifications: Tubing is specified by grade, outer diameter, weight, and connection. API tubing grades correspond to casing grades with the exception that P grade tubing has a tensile strength of 105,000 psi and is referred to as P105.
The yield strength of J55 and K55 is the same level, the difference of them is that the tensile strength of K55 is higher than that of J55. N80, L80, C90 is same with tubing steel grade. Q125 is divided into Q125-1, Q125-2, Q125-3 and Q125-4.
This grade J55 oilfield steel casing pipe serves to protect the oil pipe. The national standard steel grade of J55 oilfield steel casing pipe is 37Mn5. Moreover, this type product can provide the elongation rate of 0.5%, the yield strength range from 55 to 80ksi, and the minimum tensile strength of 75ksi.
whats the difference between API 5CT K55 and J55? Due to their lower price compared to other steel grades, casing pipes of grades J55, K55 are a popular choice for wells without stringent anti-corrosion or strength requirements.In this article we will introduce the difference between K55 and J55.
Technical | Pipe Glossary | OCTG Technical Data | Pipe Formulas | OCTG Technical Data | Tubing | Casing | Macaroni Tables | Yield Strength | API 5CT Basics | Tubing Data listed by Outer Diameter in inches:
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.
The international standard steel grade of J55 oilfield steel casing pipe is 37Mn5 in addition to, other physical parameters are elongation rate of 0.5%, the yield strength range from 55 to 80ksi, and the minimum tensile strength of 75ksi.
Manufacturer of API 5CT J55 Casing Pipes since 1999, Suppliers of API 5CT Grade J55 Tubing, Check J55 Tubing Material with chemical composition & mechanical properties, Buy welding J55 casing pipe at best price in india.
API 5CT K55 casing pipe is very similar to J55 Casing Pipe. K55 and J55 have no significant difference in the yield strength and chemical compositions. But the tensile strength of K55 is higher than the J55 casing steel. API 5CT K55 has better thermal fatigue resistance and crack resistance.
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.
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