Hardware merchandising (January-June 1902) . h sheets may vary- the class of steelused, care in the rolling, annealing, pickling,and flattening—but nothingis more important than thegalvanizing, for on that de-pends the life of the are two distinct syterns in use—the flux pcess, in which the shepasses out of the galvaing bath through a flux aretains all the zinc thathas taken up, and the nflux process, in w^ich1sheets pass throuwhich remove partmetal. The latter 1cheaper process andnot produce so sinpotbright a surface agalvanizing, and wbatthe greatest importancoating is uneven aru
Hardware merchandising (January-June 1902) . h sheets may vary- the class of steelused, care in the rolling, annealing, pickling,and flattening—but nothingis more important than thegalvanizing, for on that de-pends the life of the are two distinct syterns in use—the flux pcess, in which the shepasses out of the galvaing bath through a flux aretains all the zinc thathas taken up, and the nflux process, in w^ich1sheets pass throuwhich remove partmetal. The latter 1cheaper process andnot produce so sinpotbright a surface agalvanizing, and wbatthe greatest importancoating is uneven arust through muchquickly. Non-flux sheets can beeasily distinguished by thetiger marks, or whitishstreaks running across thesheet, showing where it hasbeen pinched in the rollsafter galvanizing. Thesestreaks turn black soon afterexposure and will be the first parts of thesheet to rust. in The Ironmonger diary for 1902. Find-ing that the weight for a given~gaugeand dimension did not tally with theweight stated in the invoice, they inquired. John Lysaght, Limited, Bristol, Offices. -Entrance Hall of GAUGE OF GALVANIZED SHEETS. A controversy, says our London cor-respondent, is at the present moment tak-
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectimpleme, bookyear1902
