Weld Processing of SSAW Steel Pipe
SSAW steel pipe feeds the steel strip into the welded pipe unit and is rolled by multiple rollers. The strip steel is gradually rolled up to form a circular billet with an open gap. The amount of pres...
Flaw Inspection of SSAW Steel Pipe
As a highly efficient special transportation means, pipeline transportation has played an increasingly important role in the fields of oil and gas transportation. Domestic large-diameter transportatio...
The Quality of SSAW Steel Pipe Depends on the Quality of the Weld
For ssaw steel pipe, we all know that the quality of the ssaw steel pipe is the most important thing for the quality of the whole spiral steel pipe, but the inspection of the geometric size of the spi...
Production Control Measures for Thick Wall Spiral Steel Pipe
The production control of the thick-walled spiral steel pipe is to increase the plastic toughness of the steel pipe, improve the cleanliness of the molten steel, reduce the harmful inclusions, and imp...
The Direction of the SSAW Steel Pipe is Changed by Elbow
In the erection process of the pipeline, the direction is not fixed, we need to use some connecting devices to change the direction. So how does the direction of the ssaw steel pipe change?
The elbow...
Ovality and Bending of LSAW Steel Pipe
In the cross-section of the lsaw steel pipe, there is a phenomenon that the outer diameter is not equal, that is, there is a maximum outer diameter and a minimum outer diameter which are not necessari...
