PRODUCTION OF WELDED CHANNEL STEEL PRODUCTS

PURPOSE:To provide such process for production of welded channel steel products that enable to form weld zones where reinforcement of weld parts of beads are extremely less at the time of butt welding the two rolled angle steel products. CONSTITUTION:The ends of the two L-shaped rolled angle steel p...

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Bibliographic Details
Main Author SEKINE TOMIO
Format Patent
LanguageEnglish
Published 04.04.1995
Edition6
Subjects
AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL
CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
MACHINE TOOLS
MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
PUNCHING METAL
SOLDERING OR UNSOLDERING
TRANSPORTING
WELDING
WORKING BY LASER BEAM
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Summary:PURPOSE:To provide such process for production of welded channel steel products that enable to form weld zones where reinforcement of weld parts of beads are extremely less at the time of butt welding the two rolled angle steel products. CONSTITUTION:The ends of the two L-shaped rolled angle steel products 1a, 1b are butted against each other and are welded at a welding current of 100 to 350 ampere and a welding speed of 100 to 800mm/min by a plasma welding method in the process for production of the welded channel steel products by welding of the L-shaped rolled angle steel products 1a, 1b.
Bibliography:Application Number: JP19930257525