DIN 17172 STE320.7 STE360.7 STE385.7February 24, 2017
DIN2445-1 St 52.4February 24, 2017
DIN 17172 STE415.7 STE445.7 STE480.7 seamless steel tubes/steel pipes usually are Thermo Mechanical Treated steel. STE415.7 STE445.7 STE480.7 seamless steel tubes produced by cold rolled or cold drawn must be normalized in every case. The STE415.7 seamless pipe,STE445.7 seamless pipe,STE480.7seamless pipe manufactured under DIN 17172 generally are used for pipe lines for the transport of combustible fluids and gases.
DIN17172 STE415.7, STE445.7,STE480.7 seamless steel pipe chemical composition