Hebei Huayang Steel Pipe Co., Ltd is one of the leading manufacturers and suppliers of api 5l gr.b psl1 dn300 erw steel pipe astm a106 grade b in China. Please feel free to buy cheap api 5l gr.b psl1 dn300 erw steel pipe astm a106 grade b from our factory. All customized products are with high quality and low price.
Product Overview
Huayang DN300 ERW steel pipe combines reliable carbon steel properties with controlled welding quality for industrial pipeline and process applications.
| Parameter | Specification |
|---|---|
| Outside Diameter | 323.9 mm |
| Nominal Diameter | DN300 |
| Material | API 5L Gr.B PSL1 / ASTM A106 Gr.B |
| Manufacturing Process | High Frequency ERW |
| Wall Thickness | 6.0–22.0 mm |
| Main Applications | Industrial and Process Pipelines |
The DN300 size provides a practical balance between flow capacity, structural strength, and installation efficiency.
Material Performance and Application
For this product, API 5L Grade B PSL1 is primarily specified for line pipe service, with a minimum yield strength of 245 MPa and minimum tensile strength of 415 MPa. ASTM A106 Grade B, in comparison, is a seamless carbon steel specification intended for high-temperature service and has a minimum yield strength of 240 MPa and minimum tensile strength of 415 MPa. When ERW manufacturing is selected for the DN300 pipe, the applicable material and product standard should be clearly defined in the purchase specification. Huayang produces ERW steel pipes with controlled forming and high-frequency welding, supported by dimensional inspection, weld inspection, mechanical testing, and hydrostatic testing. The DN300 pipe is suitable for industrial fluid transportation, utility systems, process pipelines, and general engineering applications where accurate dimensions and consistent weld quality are required.
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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