
ERW Steel Pipe
ERW Steel Pipe(Electric Resistance Welded Steel Pipe)is manufactured by rolling steel strip into a tube and welding the longitudinal seam using high‑frequency electric resistance heating and mechanical pressure.It features high dimensiona...
ERW Steel Pipe(Electric Resistance Welded Steel Pipe)is manufactured by rolling steel strip into a tube and welding the longitudinal seam using high‑frequency electric resistance heating and mechanical pressure.It features high dimensional accuracy,smooth surface,uniform wall thickness,and reliable weld quality,making it one of the most widely used steel pipe products in the world.
Key Features
High production efficiency and stable batch quality
Excellent roundness,straightness and dimensional precision
Smooth inner and outer welds,easy to process and install
Narrow heat‑affected zone,good mechanical properties
Available in round,square,rectangular and custom profiles
Full online testing:hydrostatic,ultrasonic,eddy current inspection
Materials&Standards
Common materials:Q235B,Q355B,ASTM A53,API 5L Grade B,X42–X70,ST37,ST52
Compliant with API 5L,ASTM A53,EN 10219,GB/T 3091,GB/T 9711
Main Advantages
Cost-effective compared with seamless and LSAW pipes
Stable performance for medium‑low pressure applications
Wide size range and fast delivery
Suitable for mass production and large‑scale projects
Easy to cut,thread,groove and fabricate
Applications
Water,gas,oil and fluid transmission pipelines
Municipal engineering,fire fighting,heating systems
Construction structures,scaffolding,pipe piles
Mechanical equipment,automotive parts,conveyor rollers
Agricultural irrigation,cable ducts,general engineering

