According to the report, the Japanese finance ministry announced in December 22nd that the temporary anti-dumping duties on steel and steel parts from...
Date:2018-01-31 Tags:Japan has imposed temporary anti-dumping duties on China and South Korea's steel parts and spare par
On January 22, the Canadian Border Services Agency (CBSA) issued a public notice to initiate a double anti-sunset review of the seamless Casing origin...
Date:2018-01-31 Tags:Canada's second round of "double reverse" sunset review of seamless steel casing in China
In January 26, 2018, the United States cispi (Cast Iron Soil Pipe Institute) on behalf of the domestic industry in the United States to the United Sta...
Date:2018-01-31 Tags:US companies to China cast iron sewer pipe filed
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
