Wuxi Seamless 16mn 16mn seamless Which Tianjin 16Mn low-alloy high-strength structural steel: carbon content of 0.1% -0.25%, to join the main alloying elements manganese, silicon, vanadium, niobium and titanium; it contains total alloy <3%. 300,350,400 divided by the intensity and 450MPa and other four levels. There are 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) at levels ranging from high to and accompanied by low carbon The company specializes in manufacturing: precision seamless, precision light pipe, seamless steel pipe, seamless pipe, shaped seamless pipe, stainless steel seamless cold drawn precision-based sizes have no seam steel or cold rolled precision light tube machine eight production lines, roller hearth heat treatment furnace two, three ordinary cold drawn seamless unit, production outside diameter 10-219mm wall thickness 1-20mm of precision steel, precision seamless tubes made of 20 #, 35 #, 45 #, GCr15,20Cr, 40Cr, 16Mn and so on. Pipe Category: 20 # high precision seamless, precision steel 45 #, GCr15 bearing steel, 20Cr precision steel, 16Mn seamless steel, 40Cr steel and other precision tubing and casing. Non-standard precision tubes can be customized according to user needs.