API 5L X46 PSL2 Pipe is a steel pipe and is commonly used for pipeline transportation systems in the petroleum and natural gas industries. API 5L is suitable for oil and gas transmission, structural application, and mechanical components.


We supply and stock a full range of API 5L X46 PSL2 Pipe line pipe. All products we supply are conforming to industry-standards or exceeding API, ASTM, ASME, ANSI and other national and international standards.
All these pipes are individually covered so that the premium quality of material is retained and there are no damages in the last stages of production.
It is ensured that these pipes come with imprints relevant to the job information (for example heat number, size, material and part number). This information is also printed along all to whom that these pipes are delivered.

Trio Steel is a well-known manufacturer of API 5L X46 PSL2 Pipes, which has some excellent features to offer such as high quality, tested approved, durable and more. We at Trio Steel are one of the most well-distinguished companies in the market that is into manufacturing and supplying of API 5L X46 PSL2 Pipes.

Being among the leading Pipe Suppliers in India, our process at the facility is very stringent. Besides having stricter inspection requirements, the chemical composition of the Pipes is slightly modified to meet the mechanical performance requirements of the pipe. The specifications of the API 5L X46 PSL2 Pipes meet the standards set by the ISO or the International Organization for Standardization.

Our value-added service with API 5L X46 PSL2 Pipe comes with API standard grade, boiler quantity, precision carbon grades, corrosion resistant steel, critical outline application steel, liquid petroleum gas cylinders and else. The pipes are also made use in the petroleum transportation system, sand oil or natural gas industries as well.

All these pipes manufactured at our facility such as the API 5L X46 PSL2 Pipes find application in the petroleum, oil, petrochemical, and natural gas industries. They are best suited to convey gas, steam and fluids like water and oil from offshore sites to the refineries. Besides being used in the petrochemical and gas industries, our API 5L X46 PSL2 pipes can be found in industries like Heating, Chemical industry, Water supply systems, Plumbing, Power plant, Pulp and Paper Industry.

Not only are we one of the leading manufacturers, exporters as well as suppliers of the quality API 5L X46 PSL2 Pipes, but we also provide them at a reasonable cost. Our Pipes are mainly utilized to fulfill the different wants of the various industries. About the thickness and dimensions of these pipes, the pipes thickness and dimensions are based on the industry recognized standards and the client requirement, as per their industry requirements. In short, customers can extend and decrease the size and thickness and dimensions according to the needs, with the customizations that they want to have included. All these pipes and tubes are designed for them to be tested according to the optimized standards such as ASME, ASTM, and API. With this, they are tested again using the extra testing process such as NACE, IBR, NACE MR0175, TM0177, HIC test, H2 SERVICE, SSC TEST and many more.

So, at our facility these API 5L X46 PSL2 Pipes are tested on numerous quality stages by experts. We offer an extensive range of the premium quality Pipes to our clients. We take utmost care that our Pipes are in strict compliance with industry specific standards and practices. Our clients can have assured purchases from us for a high-quality range of Pipes. At Trio Steel the pipes are available in varied width and length, these Pipes can be customized as per client’s specific requirements. Trio Steel API 5L X46 PSL2 Pipes are compact in sizes and are offered in various standards of finishing. Your need for these pipes are of standard length and diameter pipes and tubing ends here. If you need high strength, high tensile, heavy wall line pipe requirements for deep sour wells, drilling, offshore drilling and production, arctic exploration and production, or you need API 5L X46 PSL2 Pipe for natural gas, oil or water transport, then Trio Steel can meet the demands of your company.
API 5L X46 PSL2 Pipe (enhanced) is a high yield seamless pipe that is modified to suit offshore structural purposes. It is intended for (but not limited to) use in fixed offshore structures and is designed to operate in the offshore sector. To get more details download API 5L X46 PSL2

We are leading Suppliers and Exporters in various countries:
API 5l X42 PSL1 LSAW Line Pipes in Singapore
API 5l X42 PSL1 LSAW Line Pipes in Iran
API 5l X42 PSL1 LSAW Line Pipes in Saudi Arabia
API 5l X42 PSL1 LSAW Line Pipes in Indonesia

API 5L X46 PSL2 Pipe Grade,Chemical Composition and Mechanical Requirements

Grade: API 5L X46 PSL2 Pipe or L320

  • X
  • The x symbol followed by a two or three digit number equal to the specified minimum yields strength in 1000 psi rounded down to the nearest integer.
  • Minimum Yield
  • At pipe body 320 MPa (46,400-76,100 psi)
  • Delivery Condition
  • +N Normalizing rollingQ Quenched and tempered
    where +Q refers to a heat treatment
    process consisting of quench
    hardening followed by tempering
  • PSL
  • PSL refers to product specification level,
    where PSL 2 provides a more extensive chemical composition complete with a mandatory minimum fracture toughness.

Applicable codes and standards
 API 5L, 45th Edition / ISO 3183 
Specification for line pipe – technical delivery conditions. 

API 5l x46 properties

Size: ¼” to 36”
Wall Thickness: SCH 10 to 160, STD, XS, XXS
Length: up to 12 Meters

*Additional testing requirements met*: NACE MR
the products.

API 5L X46 Specification

C Si MN P S V Nb Ti Other Carbon Equivalent
Max (b) Max Max (b) Max Max Max Max Max % maximum
0.22 0.45 1.30/ 0.025 0.015 0.05 0.05 0.04 (g) 0.43 0.25
Tensile Requirements on Pipe body of welded pipes Ratio Elongation CVN Absorbed Energy Heat Treatment
Yield Strength (R10.5) Tensile Strength (R) R 10.5/ R % 0 degree celsius
PSI Mpa PSI Mpa Max Minimum Min J Min ft. lb Wield Seam & HAZ Normalizing
46,400-76,100 320-525 63,100-110,200 435-760 0.93


27 20


  1. 0.50% maximum for copper; 0.50% maximum for nickel; 0.50% maximum for chromium and 0.15% maximum for molybdenum. For grades up to and including X52, Cu, Cr and Ni shall not be added intentionally.
  2. For each reduction of 0.01% below the specified maximum concentration for carbon, an increase of 0.05% above the specified maximum concentration for manganese in permissible, up to a maximum of 1.65% for grades ≥ B, but ≤ X52; up to a maximum of 1.75% for grades > X52, but
  3. Unless otherwise agreed, the sum of the niobium and vanadium contents shall be ≤ 0.06%.
  4. The sum of the niobium, vanadium and titanium concentrations shall be ≤ 0.15%
  5. Unless otherwise agreed.
  6. Unless otherwise agreed, the sum of the niobium, vanadium and titanium concentrations shall be ≤ 0.15%
  7. Unless otherwise agreed, 0.50% maximum for copper; 0.50% maximum for nickel; 0.50% maximum for chromium and 0.15% maximum for molybdenum
  8. Unless otherwise agreed, the sum of the niobium, vanadium and titanium concentrations shall be ≤ 0.15%
  9. Unless otherwise agreed, 0.50% maximum for copper; 0.50% maximum for nickel; 0.50% maximum for chromium and 0.15% maximum for molybdenum.

Click here for API 5L Pipes in Singapore

Other details


  1. All surfaces have been 100% visually inspected. The surface condition complies with API 5L standards.
  2. External surface of pipe shall be coated with a layer of varnish.


All pipes will be ultrasonic tested on pipe body and pipe end as per API 5L standards:

  1. longitudinal: 100% of the pipe surface
  2. pipe ends not scanned by automatic ultrasonic system shall be inspected by manual UT or Magnetic Particle Examination.

Certification and traceability

All dimensions will be supplied with a 3.2 certificate according to EN 10204, endorsed by recognized and independent inspection agency. Marking shall be in SI units (X46) accordance with API requirements & mill standard.

Dimensional control

All dimensions will be supplied according to API 5L clause 9.11; In addition, the following tolerances apply:

  1. Pipe body: +/- 0,75%
  2. Pipe end: +/- 0,5%
  3. Wall thickness: +15%, -12,5%
  4. Length: -0 / +100mm

Pipe Ends

Pipe Ends are beveled. End angle shall be 30°- 0°/+5°, root face shall be 1.6mm +/- 0.8mm and fitted with bevel protectors.


Pipes are varnished on the outside.

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