Submerged arc welded steel pipe, although the tensile specimen sampling direction is basically independent of the results, but the test results V Char...
Date:2018-03-08 Tags:Difference between cracks in spiral submerged arc welded steel pipe and straight submerged arc welde
Straight seam double-sided submerged arc welded pipe (straight seam steel) professional skills are as follows: 1. Double Submerged Arc Welding In the...
Date:2018-03-08 Tags:Longitudinal submerged arc double pipe welding expertise
Literature records: "The steel surface conditions can be covered environment and the pipe insulation around four weeks, the pipe wall soil conditions ...
Date:2018-03-08 Tags:ERW pipe corrosion problems
High-frequency electric resistance welded steel pipe (ERW steel) has the following characteristics: (1) High frequency resistance welding brazing is ...
Date:2018-03-08 Tags:High-frequency resistance welded steel pipe production characteristics
Technical advantages of high-frequency resistance welded steel pipe (ERW steel pipe) Forming roller column the following:...
Date:2018-03-08 Tags:Technical advantages of high frequency welded pipe forming roller
ERW pipe into the molding machine, the deformation of the pipe through an induction coil or contact welding angle, the induction coil current induced ...
Date:2018-03-08 Tags:ERW steel pipe welding common defects
There are many problems encountered in the production of steel pipes. The following is a discussion of machine analysis problems for a given diameter....
Date:2018-03-08 Tags:Analysis of Production Failure of Longitudinal Welded Pipe Units
Non-destructive testing means does not damage or affect the performance of the measured object, does not harm the object to be detected to provide the...
Date:2018-03-06 Tags:NDT Testing
Large diameter straight seam welded pipe cold expansion is the use of hydraulic or mechanical means, the steel pipe from the steel wall radially outwa...
Date:2018-03-06 Tags:Large diameter straight seam welded pipe cold expansion
① appearance inspection: artificial lighting conditions, standards, experience, rationality, tube rotation. ② non-destructive testing. Ultrasonic te...
Date:2018-03-06 Tags:Steel surface quality inspection
Boiler pickling steps are as follows First, start the pickling, boiler economizer, fill the inner cylinder and soften the water wall. ...
Date:2018-03-06 Tags:Boiler Pickling
Pipe shall not be directly piled on the ground, steel or concrete surface, the first layer of steel pipe from the ground distance of not less than 0.2...
Date:2018-03-06 Tags:Storage of Steel Tube
Pipe bending strength mortar coating test tube diameter, easy bending pipe, smooth and easy. Hour diameter easy to bend. It is considered that the coa...
Date:2018-03-05 Tags:Mortar Lined Steel Pipe
High-pressure steel pipe for the manufacture of steel pressure vessels and pipe quality carbon steel, alloy steel and stainless steel seamless steel p...
Date:2018-03-05 Tags:High Preesure Steel Pipe
Resistance welding is the workpiece through the electrode pressure, the use of current through the resistance thermal contact surface and the adjacent...
Date:2018-03-05 Tags:The advantages and disadvantages of resistance welding
