ERW Pipe

ERW (Electric Resistance Welded) pipe is produced by high-frequency electric resistance welding of hot-rolled steel strips or coils. It has a smooth weld line, precise dimensions, high pressure resistance and good straightness.

It is widely used in fluid transportation, structural engineering, water supply & drainage, gas pipelines, piling, scaffolding and general industrial piping, especially for large-volume, cost-effective projects.

Main Specifications & Standards

1. Standards

• API 5L (PSL1 / PSL2)
• ASTM A53 (Grade A / B)
• ASTM A252 (Piling pipe)
• EN 10217
• BS 1387

2. Size Range

• Outer Diameter: 1/2" ~ 24" (DN15 ~ DN600)
• Wall Thickness: SCH 40 / SCH 80 / STD / XS
• Length: 5.8m, 6m, 11.8m, 12m or customized

3. Steel Grades

• Carbon Steel: Q235B, Q355B, Gr.B, X42, X46, X52, X60
• Galvanized ERW Pipe available

4. Surface

• Black painting / Varnish
• Anti-rust oil
• Hot-dip galvanized
• 3LPE coating (for oil & gas line)

5. End Treatment

• Plain end
• Beveled end
• Threaded + coupling