Standard£º GB/T 8163-2008 Material£º A53B Q345B A106 # 20 ST35 # 10 114 MM Diameter£º 3¡±-36¡± Wall thickness: 4 MM-60 MM Origin :China Kinds of seamless: steel tube Application fluid pipe Special pipe Conventional: wall thickness and special thick wall steel tube, the biggest wall thickness of 60 MM Purpose: is widely used in mechanical processing, oil chemical industry, transportation and construction industries Productive technology: Hot rolling and thermal expansion Length: Based On Customer Requirements Specification: 3¡±-36¡± Port: Tianjin/Shanghai/Qingdao Type of payment: T/T,L/T