Hebei Huayang Steel Pipe Co., Ltd is one of the leading manufacturers and suppliers of 203mm erw steel pipe astm a53 fire protection pipe in China. Please feel free to buy cheap 203mm erw steel pipe astm a53 fire protection pipe from our factory. All customized products are with high quality and low price.
Product Overview
Huayang 203 mm ERW steel pipe is engineered for fire protection systems requiring reliable strength, dimensional accuracy, and pressure resistance.
| Parameter | Specification |
|---|---|
| Outside Diameter | 203 mm (DN200) |
| Material Grade | ASTM A53 Grade B |
| Manufacturing Process | High Frequency ERW |
| Wall Thickness | 5.0–16.0 mm |
| Main Application | Fire Protection Pipeline |
The pipe provides stable hydraulic performance and dependable service for modern fire safety infrastructure.
Material Performance and Application
Huayang 203 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 excellent weld integrity, uniform dimensions, and reliable pressure performance. ASTM A53 Grade B is a widely used carbon steel pipe grade with a minimum yield strength of 240 MPa and a minimum tensile strength of 415 MPa, offering good strength, toughness, and weldability for fire protection applications. The 203 mm diameter pipe is commonly used in sprinkler networks, fire hydrant systems, industrial fire pipelines, and building safety facilities. Huayang applies hydrostatic testing, ultrasonic weld inspection, eddy current testing, chemical composition analysis, and mechanical property verification to ensure compliance with ASTM A53 requirements and provide long-term reliability in critical fire protection systems.
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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