answer reward question has expired why do welders use helium and argon gases to blow over metal during the welding process? is it because of the way the gasses effect the chemical bonding properties of the metal?...
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spreeler weg , ennepetal germany company details documents products news köster manufactures stud welding and fastening technology using their in-house production facility for stud welding machines and equipment, welding studs, shear studs and cold formed parts. köco offers you a wide range of solutions...
answer reward question has expired i want some information about the kind of machines usd for making the drill bit.thank you. submit other answers - - : : a method for fabricating a drill bit comprising a plurality of composite compact cutters by furnace brazing each cutter in a recess in the crown of...
the total tungsten supply. however, the specific recovery of information is not much. the majority of tungsten waste in the united states is recovered at a recycling company. ultra-high heat-resistant high-stress corrosion resistant nickel-cobalt alloy scrap can be reused without separating into various...
allow a part to be assembled from smaller components. welding, adhesive bonding and fastening by the use of bolts and rivets are the most widely used examples. face of the weld the exposed surface of the weld, made by an arc or gas welding process, on the side from which welding was done. factor a factor...