DIN 17172 STE320.7 STE360.7 STE385.7 seamless steel tubes/steel pipes usually are untreated, after a hot forming operation by rolling, pressing or drawing, on condition that said hot forming operation achieves an irreproachable structure condition with adequate uniformity without any further treatment.STE320.7 STE360.7 STE385.7 seamless steel tubes produced by cold rolled or cold drawn must be normalized in every case. The STE320.7 seamless pipe,STE360.7,seamless pipe,STE385.7seamless pipe manufactured under DIN 17172 generally are used for pipe lines for the transport of combustible fluids and gases.

DIN17172 STE320.7, STE360.7,STE385.7 seamless steel pipe chemical composition