Q345B Seamless Pipe Applications: Ships, Boilers, Pressure Vessels, Oil Storage Tanks, Bridges, Power Plant Equipment, Hoisting and Transportation Machinery and Other Higher Loaded Welded Structures
Old Q345B seamless standard control:
18Nb Nb-containing killed steel, performance similar to 14MnNb, mainly used for cranes, blowers, chemical machinery, etc.
09MnCuPTi corrosion resistant steel, low temperature impact toughness, weldability, hot and cold processing performance are good, mainly used in various areas of wet and rainy areas and corrosion atmosphere environment
12MnV working temperature is -70 °C low temperature steel, mainly used in refrigeration machinery, structural work 14MnNb at low temperature performance similar to 18Nb steel, mainly used for working temperature -20--450 degrees containers and other structural parts
16Mn has good comprehensive mechanical properties, low temperature performance, cold stamping performance, welding performance and machinability, and is mainly used in mining, transportation, chemical and other machinery.
Q345B seamless tube
Q345B seamless pipe main features: good comprehensive mechanical properties, weldability, cold, hot processing performance and corrosion resistance are good, with good low temperature toughness