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SSAW Steel Pipe, Spiral Submerged Arc Welded Pipe

SSAW Pipe (Spirally Submerged Arc Welding) is made of steel band by rolling it into pipe billet at a certain spiral angle (named roll formed angle) then is submerged arc welded. With this method, a narrow steel band can be formed into a large diameter steel pipe which can be applied in construction areas such as billboard column and bridge column, as well as in electrical engineering, petro and drainage system, offshore platform, drilling, shipbuilding, chemical industry and others.

Production Range
1. Outside diameter: 168.3mm~3020mm
2. Wall thickness: 4mm~30mm
3. Length: 5800mm~12300mm

Material
Q235, Q345, A25, B, X42, X46, X52, X56, X60, X65, X70, X80, etc

Standard
API Spec 5L (PSL1, PSL2), ASTM A252, ASTM A672, ISO3183

External Coating
Black oil coating, Red oil coating, or others according to customers different needs

Process

Uncoiling - - - flattening - - - shearing and butt welding - - - edge milling - - - preliminary rolling - - - forming - - - inside and outside welding - - - cutting off - - - ultrasonic testing - - - X-ray testing - - - pipe end grinding - - - pipe end expanding - - - hydrostatic test - - - ultrasonic testing - - - pipe ends beveling - - - X-ray testing - - - product inspection - - - marking - - - warehousing

Related Names
API Pipe Supplier | Metal Pipe | Spiral Water Pipe