Precision light pipe passivation pickling, degreasing, ordinary precision three light tube surface treatment process....
Date:2018-01-31 Tags:Precision light pipe commonly used surface treatment process
Some high-strength martensitic stainless steels, high-speed tool steels, and high-strength alloy steels, due to their high hardenability and alloying ...
Date:2018-01-31 Tags:Various factors affecting the hardenability of steel
Heat treatment process of LSAW steel pipe First, a reasonable choice. Straight pipe joints should use a good micro-deformable straight seam steel pip...
Date:2018-01-31 Tags:Heat treatment process of LSAW steel pipe
The right way to maintain the coil (1) Spiral steel pipe storage products or storage space, should choose clean, smooth drainage area, away from fact...
Date:2018-01-30 Tags:The right way to save spiral pipe
1. Thick wall spiral tube forming process, steel deformation even if the residual stress is small, the surface will not have scratches. Steel pipe pro...
Date:2018-01-30 Tags:Technical Features of Thick Wall Spiral Pipe in Production
Spiral processing method is based on the original spiral tube in accordance with the requirements of the product requirements. There are two commonly...
Date:2018-01-30 Tags:Spiral pipe processing
Corrosion-resistant insulation pipe with corrosion-resistant steel, with good insulation properties, in the construction has been widely used and prom...
Date:2018-01-30 Tags:Spiral pipe anti-corrosion insulation properties
Forming large diameter straight seam welded pipe molding methods are UOE molding method, a row of roll forming method (CFE), CE molding. For the most ...
Date:2018-01-30 Tags:Welding process of LSAW steel pipe
Lateral cracks in the longitudinal seam submerged arc welded pipe appears after rework, in particular: 1. Confirm the defect 100% UT weld inspection...
Date:2018-01-29 Tags:Transverse Cracks Maintenance of LSAW Steel Pipe
Surface micro-cracks in LSAW steel pipe products have a great impact on quality, from the commutation of sentences, and retirement, especially niobium...
Date:2018-01-29 Tags:Cause Analysis of LSAW Steel Pipe Surface Crack
Longitudinal submerged arc welded pipe due to the use of different environmental conditions, and the objective conditions of change over time, coupled...
Date:2018-01-29 Tags:Prewelding of LSAW Steel Pipe
Longitudinal submerged arc welded pipe due to the use of different environmental conditions, and the objective conditions of change over time, coupled...
Date:2018-01-29 Tags:Cause Analysis Hydrogen induced crack straight seam steel pipe
1.Confirm the defect 100% UT weld inspection of all welds, crack markings location, length, depth and direction. If the entire weld is defective, it ...
Date:2018-01-29 Tags:Difference between LSAW Steel Pipe and Hot Stretch Reducing Pipe
Lateral cracks in the longitudinal seam submerged arc welded pipe appears after rework, in particular: 1. Confirm the defect 100% UT weld inspection...
Date:2018-01-26 Tags:Longitudinal seam submerged arc welded steel pipe transverse crack repair
Surface micro-cracks in LSAW steel pipe products have a great impact on quality, from the commutation of sentences, and retirement, especially niobium...
Date:2018-01-26 Tags:Causes Analysis Straight seam steel surface cracks
