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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 […]

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 […]

DIN 17172 STE210.7 STE240.7,STE290.7 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.STE210.7 STE240.7,STE290.7 seamless steel tubes produced by cold rolled or cold […]

En10216-2 25Crmo4 seamless steel pipe/steel tube is a common chromium molybdenum alloy steel pipe. It contains a lower carbon content compared with 42CrMo4 steel pipe. 25Crmo4 seamless steel pipe can be used in the manufacture of the corrosive medium under carburizing and quenching condition. 25Crmo4 seamless steel pipe/tube applications Examples […]

X11CrMo5+NT2 seamless steel pipe/ tube Heat Treatment Normalizing and tempering: 930-980°C, air cooling; Tempering: 710-750°C, air cooling. It may be necessary in the case of wall thickness above 25 mm or T/D > 0,15 to apply quenching and tempering in order to achieve the intended structure and material properties. X11CrMo5+NT2 […]

En10216-2 X10CrMoVNb9-1 seamless steel pipe/steel tube is an alloy special martensitic creep-resisting steel. X10CrMoVNb9-1 would be considered as a high alloy steel, not a stainless steel, since the Cr content is only 8-9.5%. The microstructure that develops upon normalizing is a mixture of ferrite and bainite. The tempering operation causes […]

20MnNb6 seamless steel pipe/steel tube is mainly used in manufacturing heating pipelines, containers, coal-saving devices, superheaters, arch tube, reheater tube, airway tube etc. 20MnNb6 seamless steel pipe/tube Specification: OD: 12.7-610mm Thickness: 2.5-45.0mm Length: Generally speaking, we suggest 5.8m,6m,11.8m or 12m suitable for 20ft or 40ft containers. Any other sizes are […]

20CrMoV13-5-5 seamless steel pipe/steel tube is a kind of special alloy steel pipe in EN 10216-2 standard. 20CrMoV13-5-5 seamless steel pipe is widely used for the transmission fluid pipe, such as transport oil, natural gas, coal gas, water and some solid pipeline etc . 20CrMoV13-5-5 seamless steel pipe/tube Chemical composition […]

13CrMo4-5 seamless steel pipe/steel tube is in the Europe standard EN10216-2. EN10216-2 13CrMo4-5 seamless steel pipe is used extensively in petroleum, chemical industry, electric power, boiler industry. 13CrMo4-5 steel pipe/tube chemical composition