Shandong Huafeng Steel Pipe Co., Ltd. is a company specializing in seamless steel cold drawn seamless steel pipe Which is good, steel pipe, cold drawn precision seamless steel pipe, Jiangsu, shaped steel, welded pipe production and sales of the modern enterprise. Precision steel vacuum hardening vacuum hardening furnace cooled by oil quenching and gas quenching method is divided into two categories, according to the median work is divided into single-chamber and dual-chamber, 904 Hill \ fear of ridicule are periodic furnace operation. Vacuum oil quench furnaces are double rooms Guangdong cold-drawn seamless steel tubes, electric heating element is set back room, under the front room of the home sump. After completion of the workpiece heating, insulation cold-drawn seamless steel pipe into the front room, close the door forward chamber filled with inert gas to approximately 2.66% 26times; lO ~ 1.01% 26times; 10 Pa (200 ~ 760mm Hg ), into the oil. Our annual cash sales Steel, Baotou, Cheng Gang, Baosteel, Tianjin Steel, Anshan Iron and Steel, Hengyang and other major steel pipe, seamless steel tubes, welded steel pipe, fluid pipe, fertilizer, petroleum cracking pipe, pressure pipe, boiler tubes, spiral pipe, alloy pipe, non-standard tubes. Standing material 10 #, 20 #, 35 #, 45 #, Q345,27SiMn, 16Mn, 15CrMo, 35CrMo, 12CrMov, 20G, 40Cr, 12Cr1MoV, 15CrMo, 15Cr1Mo implementation of standards such as seamless steel pipe seamless steel pipe Standard: structural steel GB / T8162-2008 oil drilling pipe YB528-65; fluid pipe GB / T8163-2008 ship steel GB5312-85; medium pressure boiler pipe GB / T3087-2008 Petroleum steel sleeve API5CT; Geological Drilling vehicle axle steel pipe YB235-70 GB3088-82; fertilizer, steel hydraulic prop pipe GB6479-86 GB173-98; GB9948-88 petroleum cracking pipe line pipe ASTMA53B SAs106B; high-pressure boiler pipe DIN1717579ST45.8-Ⅲ GB5310-95 Product specifications diameter 299mm ~ 2400mm * 10mm wall thickness ~ 80mm Material Q235 / Q345 / 20 # / 16Mn / X series of pipeline length range of 2 to 14 meters (also according to customer requirements weld length, the length between 2 to 14 can be freely set. Each number specification more than 20 tons, In the original price 50 yuan, 100 yuan over the benefits. Huafeng steel supply (Figure), Jiangsu, cold-drawn seamless steel tubes, cold drawn seamless steel pipe Zhoushan provided by Owen Steel Co., Ltd. Shandong Shandong Huafeng Steel Pipe Co. (www. hfggxs.com) (www.hfggxs.com) adhere to the "people-oriented" business philosophy, has a professional staff, and strive to provide the best products and services to contribute to the community, and to welcome new and old customers to visit us and sincere cooperation, . for a better future for Owen steel - your trusted friend, Company Address: Development Zone, Shandong Liaocheng Liaohe Road East, Contact: Dengpei Sheng can also be accessed (www.hfggxs.com/supply_details_35731575.html). Learn more information about the company.