Hebei Huayang Steel Pipe Co., Ltd is one of the leading manufacturers and suppliers of api 5l psl1 x56q z35 610×25.4 lsaw steel pipe in China. Please feel free to buy cheap api 5l psl1 x56q z35 610×25.4 lsaw steel pipe from our factory. All customized products are with high quality and low price.
Product Overview
Huayang 610 × 25.4 mm LSAW steel pipe combines X56Q high-strength line pipe with Z35 through-thickness properties for demanding pipeline service.
| Parameter | Specification |
|---|---|
| Outside Diameter | 610 mm |
| Wall Thickness | 25.4 mm |
| Material Grade | API 5L X56Q |
| Supplementary Requirement | Z35 |
| Manufacturing Process | LSAW |
| Welding Method | Double Submerged Arc Welding |
| Main Application | Oil and Gas Transmission |
The 25.4 mm heavy wall provides enhanced structural stability and pressure resistance, while the Z35 requirement addresses through-thickness ductility of the steel plate.




API 5L X56Q Z35 Material Performance
API 5L X56 is a high-strength line pipe grade with a minimum yield strength of approximately 386 MPa and minimum tensile strength of approximately 490 MPa. The Q delivery condition indicates quenched and tempered material, providing controlled strength and toughness. The Z35 supplementary requirement is intended to improve resistance to lamellar tearing through enhanced through-thickness ductility, which is particularly relevant to heavy-wall welded pipe. For the 610 × 25.4 mm configuration, LSAW manufacturing provides controlled longitudinal welding of heavy steel plate, with ultrasonic, radiographic, hydrostatic and dimensional testing available according to the applicable project specification.
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Bundling and loading onto vehicles

Pipe Detaild Packages
| Specification | Pcs per Bundle | Bundling Layer Pattern | CBM per Bundle | |
| OD (mm) | Wall Thickness (mm) | |||
| 48.3 | 3.68 | 91 | 6,7,8,9,10,11,10,9,8,7,6 | 1.69 |
| 5.08 | 61 | 5,6,7,8,9,8,7,6,5 | 1.13 | |
| 60.3 | 3.91 | 61 | 5,6,7,8,9,8,7,6,5 | 1.77 |
| 5.54 | 37 | 4,5,6,7,6,5,4 | 1.07 | |
| 73 | 5.16 | 37 | 4,5,6,7,6,5,4 | 1.57 |
| 7.01 | 24 | 4,5,6,5,4 | 0.96 | |
| 88.9 | 5.49 | 24 | 4,5,6,5,4 | 1.42 |
| 7.62 | 19 | 3,4,5,4,3 | 1.19 | |
| 114.3 | 6.02 | 19 | 3,4,5,4,3 | 1.96 |
| 8.56 | 10 | 3,4,3 | 0.94 | |
| 141.3 | 6.55 | 10 | 3,4,3 | 1.44 |
| 9.53 | 7 | 2,3,2 | 1.08 | |
| 168.3 | 7.11 | 10 | 3,4,3 | 2.04 |
| 10.97 | 7 | 2,3,2 | 1.53 | |
| 219.1 | 8.18 | 7 | 2,3,2 | 2.59 |
| 12.7 | 5 | 2,3 | 1.73 | |
| 273 | 9.27 | 5 | 2,3 | 2.68 |
| 15.09 | 3 | 1,2 | 1.79 | |
| 323.8 | 10.31 | 3 | 1,2 | 2.52 |
| 17.48 | 2 | 1,1 | 1.26 | |
Pipe Protection
Pipe-end protection is advisable in case the pipe-ends are bevelled at the pipe manufacturer. In the case of overseas transport, there is an especially increased risk of damaged pipe-ends. This is caused by extra handling procedures in ports and shifting of the pipes onboard vessels.
In addition to end caps or protective rings, external wrapping with protective cloth can be applied along the pipe body. This wrapping helps to safeguard the coating surface from scratches, moisture, and contamination during long-distance transportation or prolonged outdoor storage. Especially for coated or painted pipes, the additional protective cloth layer significantly reduces the risk of mechanical damage, UV exposure, and corrosion initiation, ensuring the pipes arrive at the destination in optimal condition.




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