API 5L X42 Pipe
API 5L X42 pipe is a reliable carbon steel line pipe grade widely used for the transportation of oil, gas, water, and other fluids. With a minimum yield strength of 290 MPa (42,000 PSI) and a minimum tensile strength of 415 MPa, API 5L X42 pipes provide excellent strength, toughness, and weldability for medium-pressure pipeline applications. These pipes are available in both seamless and welded forms such as ERW, EFW, and SAW.API 5L X42 pipes are extensively used in the petroleum, petrochemical, and natural gas industries. They are suitable for onshore and offshore pipelines as well as water transmission and structural applications. Seamless API 5L X42 pipes are preferred for higher pressure and critical services, while welded pipes are widely used in long-distance pipeline projects due to their cost efficiency and consistent performance.
Revinox is a trusted manufacturer, supplier, and exporter of API 5L X42 pipes, offering both PSL 1 and PSL 2 grades. These pipes are available in standard weight, extra strong, and custom wall thicknesses, with plain end, beveled end, and threaded end options to suit diverse project requirements. The robust construction ensures long service life even under demanding operating conditions.
API 5L X42 pipes from Revinox are widely used in oil refineries, gas processing plants, water pipelines, and infrastructure projects. Known for their consistent quality, dimensional accuracy, and corrosion resistance, these pipes offer a safe and efficient solution for fluid transportation worldwide. Contact Revinox today for competitive pricing, timely delivery, and expert technical support for your API 5L X42 pipe requirements.
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Application of API 5L X42 Pipe
| ● Oil & Gas Transportation |
| ● Petrochemical Industry |
| ● Water Supply Pipelines |
| ● Structural & Construction Applications |
Specification Table of API 5L X42 Pipe
| Specification | Details | |
|---|---|---|
|
Product Specification
|
API 5L X42, PSL 1, PSL 2 | |
|
Size
|
1/2″ to 24″, sizes above 24″ NPS available on request | |
|
Schedule
|
SCH 10, SCH 20, SCH 40, SCH 80, SCH 160, SCH XXS as per API 5L | |
|
Type
|
Seamless, Welded, ERW, EFW, LSAW, SSAW | |
|
Grade
|
API 5L X42 (L290) | |
Delivery Condition
| PSL | Delivery Condition | Pipe Grade |
|---|---|---|
| PSL 1 | As-rolled, normalized, normalizing formed | - |
| As-rolled, normalizing rolled, thermomechanical rolled, thermo-mechanical formed, normalizing formed, normalized, normalized and tempered or if agreed Q&T (Seamless only) | - | |
| As-rolled, normalizing rolled, thermomechanical rolled, thermo-mechanical formed, normalizing formed, normalized, normalized and tempered | X42 | |
| PSL 2 | As-rolled | X42R |
| Normalizing rolled, normalizing formed, normalized or normalized and tempered | X42N | |
| Quenched and tempered | X42Q | |
| Thermomechanical rolled or thermomechanical formed | X42M | |
| The suffix (R, N, Q or M) for PSL 2 grades belongs to the steel grade |
Process of Manufacturing
| Type of Pipe | PSL 1 | PSL 2 | ||
|---|---|---|---|---|
| Grade A | Grade B | X42 | X42 | |
| SMLS | ✔ | ✔ | ✔ | ✔ |
| LFW | ✔ | ✔ | ✔ | |
| HFW | ✔ | ✔ | ✔ | ✔ |
| LW | ✔ | |||
| SAWL | ✔ | ✔ | ✔ | ✔ |
| SAWH | ✔ | ✔ | ✔ | ✔ |
|
SMLS – Seamless, without weld LFW – Low frequency welded pipe, <70 kHz HFW – High frequency welded pipe, >70 kHz SAWL – Submerged arc welded longitudinal pipe SAWH – Submerged arc welded helical pipe |
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Chemical Composition Table For API 5L X42 Pipes
| Steel Grade | Mass fraction, % based on heat and product analyses | ||||||
|---|---|---|---|---|---|---|---|
| C | Mn | P | S | V | Nb | Ti | |
| max | max | max | max | max | max | max | |
|
|
|||||||
| X42 | 0.28 | 1.30 | 0.03 | 0.03 | d | d | d |
|
|
|||||||
| X42 | 0.26 | 1.30 | 0.03 | 0.03 | d | d | d |
|
a. Cu ≤ 0.50%, Ni ≤ 0.50%, Cr ≤ 0.50%, Mo ≤ 0.15% b. Mn may be increased as permitted by API 5L c. Unless otherwise agreed Nb + V ≤ 0.06% d. Nb + V + Ti ≤ 0.15% e. No intentional addition of Boron (B ≤ 0.001%) |
|||||||
Mechanical properties
| Pipe Grade | Tensile Properties – Pipe Body of SMLS and Welded Pipes PSL 1 |
Seam of Welded Pipe Tensile Strength (Rm PSI Min) |
||
|---|---|---|---|---|
|
Yield Strength (Rt0.5 PSI Min) |
Tensile Strength (Rm PSI Min) |
Elongation (in 2in Af % min) |
||
| X42 | 42,100 | 60,200 | c | 60,200 |
Tolerances for API 5L X42 Pipes – Outside Diameter, Out of Roundness and Wall Thickness
| Specified Outside Diameter D (in) | Diameter Tolerance (in) | Out-of-Roundness Tolerance (in) | ||||
|---|---|---|---|---|---|---|
| Pipe except the End | Pipe End | Pipe except the End | Pipe End | |||
| SMLS Pipe | Welded Pipe | SMLS Pipe | Welded Pipe | |||
| < 2.375 | -0.031 to +0.016 | -0.031 to +0.016 | 0.048 | 0.036 | ||
| ≥ 2.375 to 6.625 | 0.020D | 0.015D | ||||
| ±0.0075D | -0.016 to +0.063 | D/t ≤ 75 | D/t ≤ 75 | |||
| By agreement | By agreement | |||||
| D/t ≤ 75 | D/t ≤ 75 | |||||
| > 6.625 to 24.000 | ±0.0075D | ±0.0075D (max 0.125) | ±0.005D (max 0.063) | 0.020D | 0.015D | |
| > 24 to 56 | ±0.01D | ±0.005D (max 0.160) | ±0.079 | ±0.063 | 0.015D (max 0.060) | 0.01D (max 0.500) |
| For | For | |||||
| D/t ≤ 75 | D/t ≤ 75 | |||||
| By agreement | By agreement | |||||
| For | For | |||||
| D/t ≤ 75 | D/t ≤ 75 | |||||
| > 56 | As agreed | |||||
| a. Pipe end includes 4 in length at each extremity. | ||||||
| b. For SMLS pipe, tolerances apply for t ≤ 0.984 in. | ||||||
| c. Diameter tolerance may be based on inside diameter for expanded pipes. | ||||||
| d. Pipe diameter is circumference divided by π. | ||||||
| Wall Thickness (in) | Tolerances |
|---|---|
| SMLS Pipe | |
| ≤ 0.157 | -12.5% |
| > 0.157 to < 0.948 | +0.150t / -0.125t |
| ≥ 0.984 | +0.146 or +0.1t |
| -0.120 or -0.1t | |
| Welded Pipe | |
| ≤ 0.197 | ±0.020 |
| > 0.197 to < 0.591 | ±0.1t |
| ≥ 0.591 | ±0.060 |
| Refer to full API 5L specification for additional details. | |