Shandong Seamless Steel Tube Hot Rolled Seamless Steel Tube and Cold Rolled (Seamlessly) Seamless Steel Tube Two Types of Round Billet→Heating→Punching→Three Roller Rolling, Continuous Rolling or Extrusion→Depiperation→Sizing (or Reducing) → Cooling → Straightening → Hydraulic Pressure Test (or Flaw Detection) → Marking → Into the warehouse Seamless steel tubes are made by punching a steel ingot or a solid tube, then hot rolled, cold rolled or cold rolled. The specifications of the seamless steel pipe are expressed in terms of outer diameter*thickness mm. Shandong seamless steel pipe hot-rolled seamless steel pipe and cold-rolled (dial) seamless steel pipe two categories. Hot-rolled seamless steel tubes are divided into general steel tubes, low- and medium-pressure boiler steel tubes, high-pressure boiler tubes, alloy steel tubes, stainless steel tubes, petroleum cracking tubes, geological steel tubes, and other steel tubes. Cold-rolled (dial) seamless steel pipes include general steel pipes, low and medium pressure boiler steel pipes, high pressure boiler steel pipes, alloy steel pipes, stainless steel pipes, petroleum cracking pipes, and other steel pipes, as well as carbon thin-walled steel pipes and alloy thin-walled steel pipes. Stainless steel pipe, special-shaped steel pipe. Shandong seamless steel pipe procurement to Wanlihong, Shandong seamless steel pipe plant as the largest and most seamless steel pipe manufacturers, we guarantee quality and cheap, specifications and models complete material, sales hotline: 2116899 Mobile: Contact: Sang Ke, Jiang Yanhua, Zhang Meng, Corporate Website:. Hot-rolled seamless pipe outer diameter is generally greater than 32mm, wall thickness 2.5-75mm, cold-rolled seamless steel pipe diameter can be to 6mm, wall thickness can be to 0.25mm, thin-walled pipe outer diameter to 5mm wall thickness is less than 0.25mm, cold Rolling has higher dimensional accuracy than hot rolling.
The Litehome 120° LED Linear Light uses SANAN 2835 lamp beads, which have high luminous efficiency, narrow spectrum, good monochromaticity, high color rendering, eco-friendly, no lead, mercury and other toxic substances, precise constant current, low light decline. This Linear Light can reach L80B10, that is, 80% of the lamps can maintain 90% of the original luminous flux after 5 years of use. The light uses Boke driving power, and its power conversion efficiency reaches 90%, which greatly reduces energy consumption and saves energy. All our lights will undergo an 8-hour aging test before leaving the factory to ensure that the lamps customers receive are good performance and non-damaged lamps. 5-year warranty. During the warranty period, the malfunctioning lamp can be replaced free of charge.
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