The processing and application of welded steel pipe
The cross section of API 5L SSAW Spiral Welded Steel Pipe should be leveled, vertical tube axis and chamfering treatment. Before bonding, the inserting line and test insert should be drawn to insert the depth only to the original depth of 1/3~1/2, and the bonding method is strictly prohibited when the clearance is over. After applying the adhesive, it is advisable to maintain the external force within 1 minutes and keep the straight and correct position of the interface.
The superfluous adhesive to be squeezed out in time after the bonding of the Welded steel pipe is finished in time. In the curing time, no force or force can be loaded. Connection program: preparation, cleaning work surface, test insert, adhesive bonding agent, adhesion and maintenance. Bonding joint can not be constructed in rain or water, and not under 5 C.
previous_pageHow to identify the advantages and disadvantages of the seamless steel pipe
next_pageSealing method of oil pipe