_ Tianjin, Jiangsu 16mn seamless seamless 16mn 16Mn low-alloy high-strength structural steel: carbon content of 0.1% to 0.25%, adding the main alloying elements manganese, silicon, vanadium, niobium and titanium; alloys containing its total the amount of <3%. 300,350,400 and 450MPa strength divided by four levels. Mainly Q295, Q345, Q390, Q420, Q460. "Q" is the yield of the "Qu" Pinyin word uppercase first, followed by figures for grades minimum yield point (σs) value, followed by the symbol is in accordance with the steel impurity elements (sulfur, phosphorus) levels ranging from high to and accompanied by low carbon. The company specializes in manufacturing: precision seamless tube, precision light pipe, thick-walled seamless steel pipe, seamless square tube, shaped seamless pipe, stainless steel seamless pipe mainly have no large and small drawing precision pipe joints or cold rolled precision light control unit 8 production lines, roller hearth heat treatment furnace, three sets of ordinary cold drawn seamless steel pipe unit, etc., produce diameter 10-219mm wall thickness 1-20mm precision steel, precision seamless tubes made of 20 #, 35 #, 45 #, GCr15,20Cr, 40Cr, 16Mn and so on. Steel Category: 20 # high precision seamless tube, 45 # precision steel, GCr15 bearing steel, 20Cr precision steel pipe, 16Mn seamless steel pipe, 40Cr precision oil casing pipe and so on. Non-standard precision tubes can be customized according to user needs. He Pipe Co., Ltd. Liaocheng name ||| _ Tianjin, Jiangsu 16mn 16mn seamless seamless