Welded Steel Tube for Low Pressure Liquid Delivery

GB/T 3091 Q195 Q215A/B Q235A/B Welded Steel Tube for Low Pressure Liquid Delivery

China Welded Steel Pipe manufacturer, choose the high quality Spiral Welded Steel Pipe, High Frequency Welded Steel Pipe, Black Carbon Steel Welded Pipe, etc.

TORICH is a professional manufacturer and exporter of Welded Steel Pipe, including: 

ERW WELDED STEEL PIPE, ERW WEDLED STEEL TUBE

LASW WELDED STEEL PIPE, LASW WELDED STEEL TUBE, with the production method of longitudinal welded arc welding.

Spec:

Material:Q195 Q215A/B Q235A/B Q295A/B Q345A/B equivalent to steel grade st33 Cr.B Cr.58 Cr.D

DIN S185 SS330 SS400 etc

Size Range:OD:3-420mm

WT:0.5-50mm

General Length:3-12m

Tolerance:

According to the following tables or customers` request.

Mechanical property

Weight coefficient of galvanized coat

Processing: Steel pipe shall be processed eith anyone of longitudinal-seam high-frequency electrical resistance welding, longitudinal-seam submerged arc welding and spiral-seam submerged arc welding.

Technical Delivery Conditions:Steel pipes shall be delivered in welded state. Longitudinal-seam high-frequency electrical resistance welded steel pipe may be delivered in welded seam treatment conditon. According to requirement of demand side, and through negotiation between both supply and demand side, steel pipe also may be delivered in bulk heat treament state and that shall be indicated in contract.

Widely used in the field of:For water,gas,oil,air and heating steam transporting or other uses

ERW Welded Steel Pipe is produced by electric resistance welding method, from raw material of hot rolled or cold rolled steel plate, steel coils.

There is a straight weld seam on both inside and outside surface of the tube body, so that we call it welded steel tube. The inside weld seam can be removed or not removed, depending on customer's order.

ERW welded steel tube with inside seam removed:

Flattening Test on Welded Steel Tube