API 5L Seamless Pipe

API 5L Seamless Pipe is made as per the American Petroleum Institute specification. API 5L is used in transportation system. In industries such as Textile, Dairy, Oil & Gas, Petrochemical, Sugar, Paper, Chemical & Fertilizers, Engineering, Power Generation and Nuclear Industries, the API 5L Seamless Pipes could be used as a fluid pipe, water pipe, line pipe, structure steel tube, and piling tubes.

API 5L Seamless Pipe is manufactured in compliance with the International Organization for Standardization (ISO) 3183 standards. This standardizes the standards for the petrochemical, refining and natural gas sectors for products, facilities, and offshore structures.

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More about API 5L Seamless Line Pipe Specifications

The American Petroleum Institute specification API 5L covers seamless and welded steel line pipe.  This is steel pipe for pipeline transportation systems in the petroleum and natural gas industries.  API 5L is suitable for conveying gas, water, and oil.  Size range is limited only by manufacturer’s capabilities.

Specifications for API 5L adhere to the International Organization for Standardization ISO 3183, which standardizes pipeline transportation systems within the materials, equipment and offshore structures for petroleum, petrochemical, and natural gas industries.  The technical committee authoring the standards recognized that there are two basic Product Specifications Levels (PSL) of technical requirements and therefore developed PSL 1 and PSL 2.  PSL 1 is a standard quality for line pipe where PSL 2 contains additional chemical, mechanical properties, and testing requirements.

Grades covered by this specification are A25 ,A ,B (and the following “X” Grades), X42, X46, X52, X56, X60, X65, X70, X80.  The two digit number following the “X” indicates the Minimum Yield Strength (in 000’s psi) of pipe produced to this grade.

Reliable Steel Distributors stocks a full range of API 5L X52 PSL-1 & PSL-2 line pipe in seamless.

Sizes
Nominal Pipe Size 2″ to 24″ O.D.
Wall Thickness – Schedule 10 through 160, STD, XS, XXS. 


Standard                                            
API 5L 

Product Specification Level             PSL-2 

Steel grade                                         X52

Chemical Properties %

PSL

C, a

   Mn a

P

       S

 Si

V

Nb

Ti

Other

CEIIW

CEpcm

1

0.24

1.40

0.025

0.015

0.45

0.10

0.05

0.04

b,c

.043

0.025

2

0.28

1.40

0.03

0.03

b

b

b

 Mechanical Properties        

                                                                        API 5L PSL-1 X52                API 5L PSL-2 X52

Tensile strength, min /max, psi (MPa)         66,700(460)/ n/a                      66,700 / 110,200 

Yield strength, min /max, psi (MPa)            52,000 (300)/n/a                      52,000 / 76,900

  1. a.      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 is permissible, up to a maximum of 1.65% for > grades B, but < X52; up to a maximum of 1.75% for grades >X52, but <X70; and up to a maximum of 2.00% for grade X70
  2. b.      The sum of the niobium, vanadium, and titanium concentrations shall be < 0.06%.
  3. c.       Unless otherwise agreed, 0.50% maximum for copper, 0.30% maximum for nickel, 0.30% maximum for chromium, and 0.12% maximum for molybdenum.

Select differences between PSL 1 and PSL 2:

  PSL1 PSL2
 
CVN impact (Charpy) testing None required Required for all grades
Nondestructive inspection of seamless Only when purchaser specifies   SR4 SR4 mandatory
Certification Certificates when specified per SR15 Certificates (SR 15.1) mandatory
Traceability Traceable only until all tests are passed, unless SR15 is specified Traceable after completion of tests (SR 15.2) mandatory
     
Hydrostatic Test Required Required
     

Note: This is summarized information from API Specification 5L. Please refer to the specific Standard or Specification or contact us for more details.

We have the complete range of pipes in both PSL1 and PSL2 in seamless and welded to meet your needs. Plus, we can ship globally with a fast turn-around time at the best price.

PSL1 and PSL2 are the two product specification levels which the Technical Committee accepted.

PSL 1 contains standard quality pipes, while PSL 2 pipes have specific chemical & mechanical properties and their testing requirements are also special.

As a manufacturer and supplier it gives us greater control over delivery schedules and custom orders for our client’s.