As a leading ERW pipe supplier in China, we provide high-quality electric resistance welded pipes designed for fire extinguishing systems. Manufactured to ASME B36.10 standards, these pipes are made from durable ASTM A53 Grade B carbon steel, ensuring strength and reliability. The 4-inch (DN80) pipes feature a standard 6-meter length, a wall thickness of SCH 40, and bevel ends for easy welding and secure connections. Ideal for firefighting and industrial piping applications, our ERW pipes deliver consistent performance and compliance with international safety and quality requirements.