The SSAW steel pipe has a strong thermal insulation property, which can ensure that the temperature of the internal transport material is not changed by the outside world and has good cold resistance in winter. The soundproofing performanc...英国华人论坛
Surface treatment of SSAW Steel pipe:1, cleanUsed solvent, emulsion clean steel appearance, to get to remove oil, grease, dust, smooth agent and similar organic matter, but it means less steel appearance of rust, scale removal, welding flux,...英国华人论坛
Spiral welded steel pipe into the steel unit, multi-channel roll rolling strip gradually rolled up, a gap is formed with an opening round tube, squeeze rollers reduction adjustment, the weld gap control at 1 ~ 3mm, and the weld ends flush....英国华人论坛
A broken section along strict crystals - product surface separating the planes called cleavage plane. Along the fracture plane, the theoretical has with minimum breaking strength. Decision cleavage plane of factors specific surface energy y,...英国华人论坛
Spiral welded pipe is carbon steel or low carbon alloy steel strip at a certain helix angle (called molding angle) rolled into a tube, and the tube made of welded joints, which can be used to narrow band production of large diameter steel pi...英国华人论坛