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

Welded Steel Pipes for Low Pressure Liquid Delivery GB/T 3091
 

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.

Characteristic:

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

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