Hebei Huayang Steel Pipe Co., Ltd is one of the leading manufacturers and suppliers of 299mm erw steel pipe astm a53 structural steel pipe in China. Please feel free to buy cheap 299mm erw steel pipe astm a53 structural steel pipe from our factory. All customized products are with high quality and low price.
Product Overview
Huayang 299 mm ERW steel pipe is designed for structural applications requiring reliable strength, precise dimensions, and excellent fabrication performance.
| Parameter | Specification |
|---|---|
| Outside Diameter | 299 mm (DN300) |
| Material Grade | ASTM A53 Grade B |
| Manufacturing Process | High Frequency ERW |
| Wall Thickness | 6.0–22.0 mm |
| Main Application | Structural Steel Pipe |
The pipe provides stable mechanical performance and welding reliability for modern construction and engineering projects.
Material Performance and Application
Huayang 299 mm ASTM A53 Grade B ERW steel pipes are manufactured from high-quality carbon steel coils through advanced high-frequency electric resistance welding technology, ensuring uniform weld quality, accurate dimensions, and consistent structural performance. ASTM A53 Grade B is a commonly used carbon steel grade with a minimum yield strength of 240 MPa and a minimum tensile strength of 415 MPa, offering a balanced combination of strength, toughness, and weldability. The 299 mm diameter pipe is widely applied in steel structures, industrial buildings, equipment supports, and engineering fabrication projects. Huayang conducts ultrasonic weld inspection, eddy current testing, tensile testing, chemical composition analysis, and dimensional verification to ensure compliance with ASTM A53 requirements and provide reliable performance for long-term structural applications.
Our Certificate
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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