British Standard Sheet Metal Thickness

Manufacturers standard gauge for sheet steel is based on an average density of 41 82 lb per square foot per inch thick equivalent to 501 84 pounds per cubic foot 8 038 7 kg m 3.

British standard sheet metal thickness. Grit blasting prior to galvanizing is usually the most appropriate method and a requirement for a nominal coating thickness of 1000 g m 140 µm has been successfully specified for steel of 6 mm section thickness. Non alloy and alloy steels including stainless steels with. To reflect manufacturing difficulty the tolerances for alloys 5251 5083 6082 are now wider than this although still a little tighter than in bs1470. Tolerances are given up to 6 5mm thick rather than finishing below 3 0mm.

Relevant en standards for metal sheets and plates. Compared with the old british standard tolerances bs en 10259 has the following differences. 44 151 526 4777 fax. Gauge or gage sizes are numbers that indicate the thickness of a piece of sheet metal with a higher number referring to a thinner sheet.

Nominal width 600mm. Sheet metal thickness and british standard wire gauge swg. 44 560 115 7793 email. The equivalent thicknesses differ for each gauge size standard which were developed based on the weight of the sheet for a given material.

Unit 4 yakira buildings 83 sefton lane maghull liverpool l31 8bu. Sheet metal thickness and british standard wire gauge swg. Wide strip and plate sheet made of stainless steel. Hot rolled steel plates 3 mm thick or above tolerances on dimensions and shape.

Thickness tolerances considerably tighter for alloys 1050a 3103. For example in one gauge system 18 gauge steel measures 0 0478 inches thick but 18 gauge aluminium is 0 0403 inches thick. Nominal thickness 3mm 250mm. There is a normal tolerance and also a special tolerance at some thicknesses and widths.

Specified minimum yield strength 700 n mm2. Continuously hot rolled strip and plate sheet cut from wide strip of non alloy and alloy steels. Swg no inches mm. Gauge is defined differently for ferrous iron based and non ferrous metals e g.