Field girth welding technology for high manganese steel slurry pipelines

The present disclosure relates to a welding composition for joining high manganese steel base metals and methods of applying the same. The composition includes: carbon in a range of about 0.4 wt % to about 0.8 wt %; manganese in a range of about 18 wt % to about 24 wt %; chromium in an amount of ≤ a...

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Bibliographische Detailangaben
Hauptverfasser:	Anderson, Timothy D, Lee, Sangchul, Fairchild, Douglas P, Ma, Ning, Wasson, Andrew J, Lee, Jongsub, Han, IlWook, Yue, Xin, Lee, Bongkeun, Jin, HyunWoo
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING FERROUS OR NON-FERROUS ALLOYS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	The present disclosure relates to a welding composition for joining high manganese steel base metals and methods of applying the same. The composition includes: carbon in a range of about 0.4 wt % to about 0.8 wt %; manganese in a range of about 18 wt % to about 24 wt %; chromium in an amount of ≤ about 6 wt %; molybdenum in an amount of ≤ about 4 wt %; nickel in an amount of ≤ about 5 wt %; silicon in an amount of about 0.4 wt % to about 1.0 wt %; sulfur in an amount of ≤ about 200 ppm; phosphorus in an amount of ≤ about 200 ppm; and a balance including iron. In an embodiment, the composition has an austenitic phase.