what are the diasadvantages of steel?
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Disadvantages of Steel 1In many areas it is difficult to find framing crews that are trained in light steel constructionThis disadvantage usually raises the overall project cost2Because Steel studs are a poor insulator they suffer from thermal bridging which reduces overall wall insulation value3Even though steel components will not burn they will actually fail (collapse) before a wood component in a house fire4Steel components can rust if left exposed in marine climates5Finding steel roof trusses is difficult in most areas so it is common to used wood roof trusses (and floor trusses)- The 1997 survey : many negative issues for steel The first survey in 1997 confirmed many of the traditional misperceptions regarding steelWhen compared to other packaging materials such as aluminium, glass, PVC, PET and composites, steel was the only packaging material that had a negative balanceIndeed, when asked to sum up the advantages and the disadvantages of steel as a packaging material, decision makers stated more disadvantages than advantages ! The negative perceptions focused on “corrosion, limited in shaping and modelling, not flexible, difficult to open .etc”Although in the perception, steel obtained the best scores of all packaging materials for “strong, safe, protection, easy transportation”, steel scored worst of all on “modern, convenient, practical and easy to shape” ! The perception of aluminium was very like the perception of steel, but more positiveThis was a clear indication that this group of decision makers amongst FMCG companies didn’t know enough about steel’s properties characteristicsHope this helps and let me be the first to congrats you into the Yahoo Answers community! D
