API 5L specification covers seamless steel and pipe welded steel line pipe. It includes standard-weight and extra-strong threaded line pipe. It includes standard-weight and extra-strong threaded line pipe; and standard-weight plain-end, regular-weight plain-end, special plain-end, extra-strong plain-end, special plain-end, extra-strong plain-end pipe; as as well as bell and spigot and through-the-flow line(TFL) pipe.
The purpose of this specification is to provide standards for pipe suitable for use in conveying gas, water, and oil in both the oil and natural gas industries
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.
API 5L PSL 1 A25 Seamless Steel Pipe, mainly used in gas, water, and oil in both the oil and natural gas industries.
Notes:
Stainless Steel Grades - A, A25, B
OD Tolerances, on the pipe body: ± 0.75%
WT Tolerances:
NS = 23/8; 27/8 inch: +20% -12%
NS = 31/2; 4 inch: +15% - 12.5%
Stainless Steel pipes can be delivered with monogram (license no. 5l-0287).
Nominal length: 20 - 40 ft (6 - 12m).
Pipes are delivered in "as after rolling" condition with beveled ends of 30° angle.
Production Size: OD≥3.40mm, 1.73mm≤T≤63.50mm
Production Way: Hot Rolled/ Cold Rolled
Technical Details:
Heat Treatment: Normalized, Quenched, Tempered, HIC, Impact Test,..( Optional if not provided in rules)
| Standards | API 5L |
|---|---|
| Grade | API 5L Gr A, B, X42, X46, X52, X56, X60, X65, X70, PSL 1/ 2, ETC |
| Size | Seamless = ½” NB – 24” NB ERW = 16” OD - 120” OD |
| Thickness | 6.35mm – 65mm |
| Length | Single Random & Double Random |
| End | Plain End, Beveled End, Threaded |
|
Chemical Composition % |
||||||||
|
PSL1 |
PSL2 |
|||||||
|
Grade |
C (Max.) |
Mn(Max.) |
P(Max.) |
S(Max.) |
C (Max.) |
Mn(Max.) |
P(Max.) |
S(Max.) |
|
A |
0.22 |
0.90 |
0.03 |
0.03 |
0.22 |
1.20 |
0.025 |
0.015 |
|
B |
0.26 |
1.20 |
0.03 |
0.03 |
0.22 |
1.30 |
0.025 |
0.015 |
|
X42 |
0.26 |
1.30 |
0.03 |
0.03 |
0.22 |
1.40 |
0.025 |
0.015 |
|
X46 |
0.26 |
1.40 |
0.03 |
0.03 |
0.22 |
1.40 |
0.025 |
0.015 |
|
X52 |
0.26 |
1.40 |
0.03 |
0.03 |
0.22 |
1.40 |
0.025 |
0.015 |
|
X56 |
0.26 |
1.40 |
0.03 |
0.03 |
0.22 |
1.40 |
0.025 |
0.015 |
|
X60 |
0.26 |
1.40 |
0.03 |
0.03 |
0.22 |
1.45 |
0.025 |
0.015 |
|
X65 |
0.26 |
1.45 |
0.03 |
0.03 |
0.22 |
1.65 |
0.025 |
0.015 |
|
X70 |
0.26 |
1.65 |
0.03 |
0.03 |
0.22 |
1.85 |
0.025 |
0.015 |
|
Mechanical Properties PSL 1 |
|||||
|
Grade |
Yield Strength(Min.) |
Tensile Strength(Min.) |
Elongation |
||
|
Ksi |
MPa |
Ksi |
MPa |
E=1944 A 0.2 /U 0.9 |
|
|
B |
35 |
241 |
60 |
414 |
|
|
X42 |
42 |
290 |
60 |
414 |
|
|
X46 |
46 |
317 |
63 |
434 |
|
|
X52 |
52 |
359 |
66 |
455 |
|
|
X56 |
56 |
386 |
60 |
414 |
|
|
X60 |
60 |
414 |
63 |
434 |
|
|
X65 |
65 |
448 |
66 |
455 |
|
|
Grade Range |
A25 THROUGH X70 | GR B THROUGH X80 | TABLE 1 |
|
Size Range |
0.405 THROUGH 80 | 4-2/1 THROUGH 80 | TABLE 1 |
|
Type Of Pipe Ends |
PLAIN-END, THREADED-END, BEVELLED-END, SPECIAL COUPLING PIPE | PLAIN-END | TABLE 1 |
|
Seam Welding |
ALL METHODS CONTINOUS WELDING LIMITED TO GRADE A25 | ALL METHODS EXCEPT CONTINOUS AND LASER WELDING | TABLE 1 |
|
Electric Welds: Welder Frequency |
NO MINIMUM | 100 KHZ MINIMUM | 5.1.3.3.2 |
|
Heat Treatments Of Electric Welds |
REQUIRED FOR GRADES > X42 | REQUIRED FOR ALL GRADES (GR B THROUGH X80) | 5.1.3.3.1; J.3.3.2:6.2.7 |
|
Chemistry: Max C For Seamless Pipe |
0.28% FOR GRADES > GR B | 0.24% | TABLES 2A, 2B |
|
Chemistry: Max C For Welded Pipe |
0.26% FOR GRADES > GR B | 0.22% | TABLES 2A, 2B |
|
Chemistry: Max P |
0.03% | 0.03% | TABLES 2A, 2B |
|
Chemistry: Max S |
ONLY WHEN PURCHASES SPECIFIES SR18 | 0.02% | TABLES 2A, 2B |
|
Carbon Equivalent |
NONE | MAXIMUM REQUIRED FOR EACH GRADE | 4.2:4.3:6.1.3: SR15.1 |
|
Yield Strength, Maximum |
NONE | MAXIMUM FOR EACH GRADE | TABLES 3A, 3B |
| Uts, Maximum | NONE REQUIRED | MAXIMUM FOR EACH GRADE | TABLES 3A, 3B |
|
Fracture Toughness |
ONLY WHEN PURCHASER SPECIFIES SR4 | REQUIRED FOR ALL GRADES | 6.2.6; 9.3.5: 9.8.4; 9.10.7; |
|
Non-Destructive Inspection Of Seamless Pipes |
PERMITTED | SR4 MANDATORY | TABLE 14 9.7.2.6 |
|
Repare By Welding Of Pipe Body, Plate And Skelp |
PERMITTED BY AGREEMENT | PROHIBITED | 5.3.2;9.7.6: B.1;B.2 |
|
Certification |
CERTIFICATES WHEN SPECIFIED PER SR15 | PROHIBITED | 4.3;9.7.4.4;9.7.6;B.1.2;B.4 |
|
Traceability |
TRACEABLE ONLY UNTIL ALL TESTS ARE PASSED UNLESS SR15 IS SPECIFIED | CERTIFICATES (SR15.1) MANDATORY TRACEABLE AFTER COMPLETION OF TESTS (SR15.2) MANDATORY |
12.1 5.6 |
API 5L Grade B Carbon Steel Pipe, X42/X46/X52/X56/X60/X65/X70/X80 PSL-1/PSL-2 Factory, Suppliers, Exporters in China. As per delivery quality API 5L B, C, X42 X52 X56 X60 X65 and X70. Guaranteed fast delivery of stainless steel API 5L GR.B PSL 1 pipe, carbon steel API 5L GR.B PSL 2 pipe of various sizes, and is the largest API 5L GR.B PSL 1/2 seamless steel pipe supplier in China.
