Hebei Steel Pipe Co., Ltd. CITIC http://www.zxgangguan.com build on in February 2003, 20046 was officially put into operation a modern manufacturing enterprise, with a total area of ??25 square meters, construction area of ??50,000 square meters, total investment 378 million yuan, production equipment imported Norway, Germany, the United States, Israel and other overseas sophisticated equipment. Equipment Hebei CITIC advanced double-sided spiral pipe submerged arc welded pipe machine, WELDACG2600KW solid state high frequency welding machine, JCOE LSAW pick-up device. Pipe diameter φ159-φ2820, wall thickness 3.25mm-80mm. Material 10 # steel, 20 #, Q235, Q345, 16Mn, L245, L290, L360, X42-X70 steel grade, product implementation API SPEC 5L, 5CT, GB/T9711.2, SY/T5037, GB/T8163, GB / T8162 standard. Widely used in natural gas, petroleum, chemicals, electricity, heat, plumbing, steam heat, and hydropower with the pressure pipe, thermal power, water and other long-distance pipelines and piling, bridges, steel and other engineering fields. Hebei Steel production CITIC Services: spiral pipe (helical seam welded pipe, spiral welded pipe, large diameter spiral pipe, spiral wound pipe, stainless steel ...