Date:2016-01-20 View(s):6701 Tag:high frequency welding, electric resistance welding, welded steel pipe manufacturer
High-frequency welding(HFW) is a solid resistance heat energy. The use of high-frequency current welding resistance heat generated in the workpiece so that the workpiece is heated to melt the welding area or near the surface of the plastic state ...
Date:2016-01-19 View(s):2132 Tag:ERW steel pipe, welded steel pipe manufacturer, electric resistance welding process for steel pipe
Electric resistance welding is the use of current through resistor between the workpiece and the welding heat generated by the contact surface. ...
Date:2016-01-18 View(s):2088 Tag:steel industry in China, domestic demand for steel pipes, steel pipe raw material price
In December 2015, the national crude steel output was 2.076 million tons a day, fell 1.6%, crude steel production in December of 64.37 million tons, fell 5.2% year on year; ...
Date:2016-01-17 View(s):2033 Tag:efw steel pipe, EFW STEEL PIPE, high frequency welding, welded steel pipe manufacturer
High frequency welding is the effect of skin effect and the adjacent high frequency current generated by the use of the butt plate and other metal materials up new welding process. ...
Date:2016-01-16 View(s):2432 Tag:steel pipe ultrasonic testing, steel pipe manufacturer, steel pipe exporter, steel pipe supplier
Using ultrasonic testing to detect the quality of seamless steel pipe can be done defects (corrosion, cracks, pits, etc.) is detected without damaging the pipe. ...
Date:2016-01-15 View(s):1973 Tag:steel pipe manufacturer, steel pipe production process, steel pipe hardness and strength
When hardness of steel pipe is below 500HB, which is proportional to the tensile strength and hardness. Hardness with tempering temperature decreases, but in the state as well as the quenching and tempering below 300 ℃, the hardness and tensile strength of the relationship is difficult established. ...
Date:2016-01-14 View(s):2231 Tag:steel pipe heat number, steel pipe manufacturer, steel pipe exporter
Heat number: it is a steel smelting furnace number of times with unique, traceability. Different mills have different numbering, but each furnace steel must be a number. ...
Date:2016-01-13 View(s):3050 Tag:Shinestar Holdings Group, Hunan Prime Steel Pipe Co., Ltd, steel pipe manufacturer in China
In order to expand our international market, we have set up production lines in the north of China where close to one of the biggest export gateway, TIANJIN XINGANG PORT, and also close to the raw material resources....
Date:2016-01-12 View(s):2393 Tag:seamless steel pipe, hot rolled seamless steel pipe, steel pipe defects, pipe manufacturer
Defect of Hot-rolled Seamless Steel Pipe. It including separation, straight inner flap, irregular hole, wall contraction, rolled scar, inside folding, rolling off, tear, fold the double-slit, double centerfold, outer folding...
Date:2016-01-11 View(s):2166 Tag:factory equipment, steel pipe factory, steel pipe production equipment, steel pipe manufacturer
Prime steel pipe attach importance to the quality of products, that professional purchasing team is stationed in the production frontline for QA and prompt delivery. ...
Date:2016-01-10 View(s):2291 Tag:steel pipe sales promotion, price off promotion for steel pipes, steel pipe manufacturer
Enterprise development cannot rely on one or two "people", and must rely on a system and a team, any Evergreen enterprises are based on organizational capacity rather than individual capacity-coined. ...
Date:2016-01-10 View(s):2631 Tag:seamless steel pipe, cold drawn seamless steel pipe, seamless pipe manufacturer, carbon steel pipe
Related information about seamless steel pipe order. Including pipe standard and grade, specification range, surface and end process applied, manufacturing time, destination to ship...
Date:2016-01-09 View(s):2426 Tag:seamless steel pipe manufacturer, cold drawn seamless steel pipe, seamless pipe supplier
According to different production methods, seamless steel pipe can be divided into hot-rolled pipes, cold rolled pipes, cold drawn tubes. ...
Date:2016-01-08 View(s):2274 Tag:steel industry in China, steel pipe production, steel pipe price
Overcapacity in the Chinese Steel Industry still exist, but the reducing production of crude steel seems to be the first ray of dawn for steel industry restructuring in China. ...
Date:2016-01-07 View(s):2239 Tag:industry news, steel industry
In December, the foreign exchange reserves has declined $107.9 billion, the central bank might alter the exchange rate intervention strategies. Market rumors about the central bank in China is that the central bank might buy large amount of RMB from large state-owned banks to support the RMB market. ...