API 5L GR.B X42 X46 52 X56 X60 X65 X70 Line Steel Pipe
GNEE Supply Range for API 5L Welded line pipe
Welded (ERW, LSAW, SSAW) steel line pipe: 1/2" to 60"
Range of Thickness: SCH 10 to SCH 160
Ends Type: Beveled ends, Plain ends
Range of length: 20FT, 40FT or customized
Protection Caps in plastic or iron available
Surface appearances: Natural, Varnished, Black painting, 3PE, FBE, etc
GNEE Supply API 5L Seamless Pipe Type: Hot Rolled Seamless and Cold Rolled Seamless Pipe
Typical Diameter API 5L Seamless Pipe: Under 24 inches
Common Application: Preferred for diameters less than 150 mm (6 inches)
Large Diameter Options: Available
Hot Rolled: Up to 20 inches (508 mm)
Hot Expanded: Up to 40 inches (1016 mm)
API 5L pipes are carbon steel pipes designed for the transmission of oil and gas. These pipes can be manufactured as seamless or welded (using methods such as ERW or SAW). The available grades of API 5L pipes include Grade B, X42, X46, X52, X56, X60, X65, X70, and X80. These grades are suitable for various applications, including onshore, offshore, and sour services. API 5L serves as the standard specification for steel pipes used in pipeline transportation systems, detailing the requirements for line pipe used in these systems.
Delivery Conditions for Each API 5L Grade
| Table 1-Pipe grades, steel grades and acceptable delivery conditions | ||
| PSL | Delivery condition | Pipe grade/steel grade a,b |
| PSL 1 | As-rolled,normalizing rolled, normalized or normalizing formed | L175 or A25 |
| L175P or A25P | ||
| L210 or A | ||
| As-rolled, normalizing rolled, thermomechanical rolled,thermomechanical formed,normalizing formed,normalized, normalized and tempered; or, if agreed,quenched and tempered for SMLS pipe only |
L245 or B | |
| As-rolled,normalizing rolled,thermomechanical rolled, thermomechanical formed,normalizing formed, normalized, normalized and tempered or quenched and tempered |
L290 or X42 | |
| L320 or X46 | ||
| L360 or X52 | ||
| L390 or X56 | ||
| L415 or X60 | ||
| L450 or X65 | ||
| L485 or X70 | ||
| PSL 2 | As-rolled | L245R or BR |
| L290R or X42R | ||
| Normalizing rolled,normalizing formed,normalized or normalized and tempered | L245N or BN | |
| L290N or X42N | ||
| L320N or X46N | ||
| L360N or X52N | ||
| L390N or X56N | ||
| L415N or X60N | ||
| Quenched and tempered | L245Q or BQ | |
| L290Q or X42Q | ||
| L320Q or X46Q | ||
| L360Q or X52Q | ||
| L390Q or X56Q | ||
| L415Q or X60Q | ||
| L450Q or X65Q | ||
| L485Q or X70Q | ||
| L555Q or X80Q | ||
| L625Q or X90Q° | ||
| L690Q or X100Q° | ||
| Thermomechanical rolled or thermomechanical formed | L245M or BM | |
| L290M or X42M | ||
| L320M or X46M | ||
| L360M or X52M | ||
| L390M or X56M | ||
| L415M or X60M | ||
| L450M or X65M | ||
| L485M or X70M | ||
| L555M or X80M | ||
| Thermomechanical rolled | L625M or X90M | |
| L690M or X100M | ||
| L830M or X120M | ||
| 1.For intermediate grades, the steel grade shall be in one of the following formats: (1) The letter L followed by the specified minimum yield strength in MPa and, for PSL 2 pipe, the letter describing the delivery condition (R, N,Q or M) consistent with the above formats. (2) The letter X followed by a two or three digit number equal to the specified minimum yield strength in 1000 psi rounded down to the nearest integer and, for PSL 2 pipe, the letter describing the delivery condition (R, N, Q or M) consistent with the above formats. 2.The suffix (R, N, Q or M) for PSL 2 grades belongs to the steel grade. 3.Seamless only. |
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For intermediate grades, API 5L pipe grade shall be in one of the following description formats:
a. The letter L followed by the specified minimum yield strength in Mpa. For example, L290 (X42) means the minimum yield strength is 290 Mpa. In the case of PSL2 pipe, Suffix letters (R, N, Q, or M) shall be added to describe the delivery condition;
b. The letter X followed by a two or three digital number equal to the minimum yield strength in 1000 psi rounded down to the nearest integer and, for PSL2 pipe, the letter describing the delivery condition (R, N, Q, or M) consistent with the above formats.
Letter R: As rolled
Letter N: Normalizing rolled, Normalized formed, Normalized
Letter Q: Tempered and quenched
Letter M: Thermomechanical rolled or thermomechanical formed
Letter S: Sour Services, comes with PSL2 pipe for NS, QS, and MS, eg API 5L X52MS, API 5L X65QS.
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