ADTO ERW pipes mean Electric Resistance Welded Pipe. ERW pipe is a type of tube manufacturing from a metal piece with electrical resistance welded technology. ADTO ERW pipes are widely used in various engineering purposes, fencing, scaffolding, line pipes. Etc.

ADTO seamless pipes is a kind of steel pipe product without any seam both on the surface and the internal face of the pipe. ADTO seamless pipes are widely applied in water transport projects, oil transports projects, and gas transports projects due to its seamless characteristic.

The seamless pipe has been reported that it does not have flaws for long times. While welded pipe has an inherent flaw or seam throughout the length of each tube, as stated above. This concept is easily accepted by purchasers and designers with limited experience among the various products. But what they don’t know is every product forms and manufacturing methods have their own inherent problems and potential defects.

The easiest way to identify whether steel pipe you purchased is seamless or ERW has simply checked the stencil on the surface of the pipe.

1) Type S means seamless.

2) Type F is furnace but welded,

3) Type E is Electrical resist welded.