API 5L Seamless Steel Line Pipe
API 5L pipes serve critical roles in various industries due to their robust construction and adherence to stringent standards essentially for the oil and gas industry. Specifically designed for transport of crude oil from extraction points (such as oil fields) to refineries or storage facilities, for long-distance oil and gas transportation, and distribution of natural gas.
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.
Standard & Grade: API 5L GR.B, X42, X46, X52, X56, X60, X65, X70, X80
SIze: OD: 1/2” to 2”, 3”, 4”, 6”, 8”, 10”, 12”, 16 inch, 18 inch, 20 inch, 24 inch, 26 inch to 40 inch
Thickness: SCH 10. SCH 20, SCH 40, SCH STD, SCH 80, SCH XS, to SCH 160
Length: SRL, DRL, 5.8M, 6M, 11.8M, 12M
Ends: Beveled ends, Plain ends or Thread
Surface: Natural, Varnished, Black painting, FBE and 3PE, Cladding and Lined, etc
API 5L Seamless Steel Line Pipe Chemical Composition & Grades
|
API 5L Grades
|
API 5L Chemical Composition
|
|
C
|
Si |
Mn |
P |
S |
V |
Nb |
Ti
|
|
API 5L X42
|
0.16 |
0.45 |
1.65 |
0.020 |
0.010 |
0.07 |
0.05 |
0.04 |
|
API 5L X52
|
0.16 |
0.45 |
1.65 |
0.020 |
0.010 |
0.07 |
0.05 |
0.04 |
|
API 5L X60
|
0.16 |
0.45 |
1.65 |
0.020 |
0.010 |
0.08 |
0.05 |
0.04
|
|
API 5L X65
|
0.16
|
0.45 |
1.65 |
0.020 |
0.010 |
0.09 |
0.05 |
0.06
|
| API 5L X70 |
0.17 |
0.45 |
1.75 |
0.020 |
0.010 |
0.10 |
0.05 |
0.06
|
API 5L Seamless Steel Line Pipe Mechanical Properties
|
API 5L Grades Grade
|
Yield Strength |
Tensile Strength |
Yield to Tensile |
Elongation
|
|
min. (KSI)
|
min. (KSI) |
Ratio (max) |
%
|
|
API 5L X42
|
42 |
60 |
0.93 |
23 |
|
API 5L X52
|
52 |
66 |
0.93 |
21
|
|
API 5L X60
|
60 |
75 |
0.93 |
23
|
|
API 5L X65
|
65 |
77 |
0.93 |
18
|
| API 5L X70 |
70 |
82 |
0.93 |
17
|
API 5L Seamless Steel Line Pipe Applications:
For Petroleum and natural gas industries, pipeline transportation systems. Transmission of petroleum and natural gas.
