zhangjiagang huadian import&export co.,ltd

Main products:Din series cold-drawn and cold-rolled seamless steel pipe. High precision cold-drawn seamless steel pipe DIN2391 with characteristics of high precision and bright surface finishing. Mechanical properties can suitable to the bending at any angle, bearing all types of high pressure,cold bending ,flaring, extending and so on without oxidation on interior and exterior wall.No blockage to the pneumatic, hydraulic and oil routes.Other standards: Din73000.Din10305-1, Din2440, Din2448, Astm A519, Astm A53 etc Material: st35, st35.8, st37, st37.4, st45, st52, Grade A ,B etc.Other grade is also available. Specification: Outer diameter 4-40mm.Wall thickness:0.5-3mmOuter diameter 30-130mm.Wall thickness:3-10mm [Details]