API 5L seamless pipe is one of our most popular products.
Federal Steel stocks a full line of API 5L Line Pipe. Sizes 2" to 48". In wall thickness STD to 4" thick.
API 5L Seamless Steel Pipe Specifications
We stock 3 different methods of manufacture: Seamless, ERW, and DSAW
API 5L is typically used in the Oil and Gas Industry and is inventoried in grades:
See charts below for details of physical and chemical properties.
API 5L Mechanical Properties
|Properties||API 5L PSL-1 X52||API 5L PSL-2 X52|
|Tensile strength, min/max, psi (MPa)||66,700(460) / NA||66,700 / 110,200|
|Yield strength, min/max, psi (MPa)||52,000 (300) / NA||52,000 / 76,900|
Note: For each reduction of 0.01% below the specified carbon maximum, an increase of 0.06% manganese above the specified maximum will be permitted up to a maximum of 1.35%.
API 5L Chemical Properties
|PSL||C||Mn||P, max.||S, max.||Si, min.||V||Nb||Ti||Other||CEIIW||CEpcm|
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.
b. The sum of the niobium, vanadium, and titanium concentrations shall be < 0.06%.
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 & PSL 2
|Attributes||PSL 1||PSL 2|
|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|
Note: This is summarized information from API Specification 5L. Please refer to the specific Standard or Specification or contact us for more details.