API 5L X42 PLATE / SHEET / COIL
API 5L X42 plates, sheets, and coils are high-quality carbon steel products widely used in oil & gas pipelines, pressure vessels, and structural applications. Also known as L290, this grade offers a minimum yield strength of 42 Ksi (290 MPa), ensuring good strength, toughness, and weldability for moderate to high-pressure service.
Manufactured as per API 5L and ISO 3183 standards, API 5L X42 plates and coils provide consistent mechanical performance and excellent formability. These products are suitable for onshore and offshore applications, including environments exposed to mechanical stress and varying temperatures.
API 5L X42 plates, sheets, and coils are available in various thicknesses, widths, and surface finishes to meet fabrication and project requirements. They are commonly used for pipe manufacturing, storage tanks, structural fabrication, and industrial engineering projects.
Revinox is a trusted supplier of API 5L X42 plates, sheets, and coils in India, offering products that meet international quality standards with reliable performance, dimensional accuracy, and long service life.
API 5L X42 Plate, API 5L X42 Sheet, API 5L X42 Coil, API 5L X42 Plate Specifications, API 5L X42 Plate Dimensions, API 5L X42 Coil Supplier, API 5L X42 Plate Manufacturer in India
Applications of API 5L X42 Plate, Sheet & Coil
| ● Oil & Gas Transmission Pipelines |
| ● Pressure Vessels & Storage Tanks |
| ● Petrochemical & Refinery Applications |
| ● Construction & Structural Engineering |
Specification Table of API 5L X42 Plate / Sheet / Coil
| Specification | Details | |
|---|---|---|
| Product Specification | API 5L, PSL-1, PSL-2 | |
| Thickness | 3 mm to 150 mm (Custom thickness available) | |
| Width | 1000 mm to 3000 mm | |
| Form | Plate, Sheet, Coil | |
| Grade | API 5L X42 / L290 | |
Delivery Condition
| PSL | Delivery Condition | Product Grade |
|---|---|---|
| PSL 1 | As-rolled, normalized | X42 |
| PSL 2 | Normalized, normalized & tempered | X42N |
| Quenched and tempered | X42Q | |
| Thermomechanically rolled | X42M |
Process of Manufacturing
| Product Form | Manufacturing Process | PSL 1 | PSL 2 |
|---|---|---|---|
| Plate | Hot Rolled (HR) | ✔ | ✔ |
| Plate | Controlled Rolled (CR) | ✔ | ✔ |
| Plate | Thermo-Mechanical Controlled Process (TMCP) | ✔ | ✔ |
| Sheet | Hot Rolled Pickled & Oiled (HRPO) | ✔ | ✔ |
| Coil | Hot Rolled Coil (HRC) | ✔ | ✔ |
| Heat treatment such as normalizing, quenching & tempering, or TMCP is applied as per API 5L PSL 1 or PSL 2 requirements to achieve the specified mechanical properties. | |||
Chemical Composition Table For API 5L X42 Plate / Sheet / Coil
| Steel Grade | Mass fraction, % (Heat & Product Analysis) | ||||||
|---|---|---|---|---|---|---|---|
| C | Mn | P | S | V | Nb | Ti | |
| max | max | max | max | max | max | max | |
| API 5L X42 Plate / Sheet / Coil (PSL 1 & PSL 2) | |||||||
| X42 | 0.28 | 1.30 | 0.030 | 0.030 | d | d | d |
|
a. Cu ≤ 0.50%, Ni ≤ 0.50%, Cr ≤ 0.50%, Mo ≤ 0.15% b. Mn increase permitted with reduced carbon as per API 5L limits c. Nb + V ≤ 0.06% unless otherwise agreed d. Nb + V + Ti ≤ 0.15% e. No deliberate addition of Boron; residual B ≤ 0.001% |
|||||||
Chemical Composition Table for API 5L X42 Plate / Sheet / Coil
| Steel Grade | Mass fraction, % (Heat & Product Analysis) | Carbon Equivalent | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | V | Nb | Ti | Other | CE IIW | CE Pcm | |||||||||||
| max | max | max | max | max | max | max | max | max | max | ||||||||||||
| API 5L X42 Plate / Sheet / Coil (PSL 2) | |||||||||||||||||||||
| X42N | 0.24 | 0.45 | 1.40 | 0.025 | 0.015 | 0.10 | 0.05 | 0.04 | d,e,l | 0.42 | 0.25 | ||||||||||
| X42Q | 0.18 | 0.45 | 1.50 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | e,l | 0.42 | 0.25 | ||||||||||
| X42M | 0.22 | 0.45 | 1.40 | 0.025 | 0.015 | d | d | d | e,l | 0.42 | 0.25 | ||||||||||
|
a. Carbon equivalent limits apply as per API 5L PSL 2
requirements b. Mn increase permitted with reduced carbon as per API 5L limits c. Nb + V ≤ 0.06% unless otherwise agreed d. Nb + V + Ti ≤ 0.15% e. Cu ≤ 0.50%, Ni ≤ 0.30%, Cr ≤ 0.30%, Mo ≤ 0.15% unless otherwise agreed l. No intentional addition of Boron; residual B ≤ 0.001% |
|||||||||||||||||||||
Tensile and Yield Strength – API 5L X42 Plate / Sheet / Coil (PSL 1 & PSL 2)
Tensile & Yield Strength – API 5L X42 Plate / Sheet / Coil
| Steel Grade | Yield Strength | Tensile Strength | Elongation (%) | ||
|---|---|---|---|---|---|
| Min (MPa) | Min (PSI) | Min (MPa) | Min (PSI) | ||
| X42 | 290 | 42,000 | 415 | 60,200 | As per API 5L |
Notes:
• Mechanical properties apply to API 5L X42 plates, sheets, and coils.
• Elongation values shall be calculated as per API 5L specification.
• Material is suitable for forming, welding, and pressure applications.
Dimensional Tolerances – API 5L X42 Plate / Sheet / Coil
| Parameter | Tolerance |
|---|---|
| Thickness | ± 10% of specified thickness |
| Width | ± 5 mm |
| Length | −0 / +10 mm |
| Flatness | As per mill standard / agreement |
Notes:
• Applicable to API 5L X42 plates, sheets, and coils only.
• OD, out-of-roundness, and wall thickness tolerances are not applicable to flat
products.
• Special tolerances can be supplied on request.