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TABLES 42-43. 

 WEIGHT OF SHEET METAL. 



TABLE 42. - Weight of Sheet Metal. (Metric Measure.) 



This table gives the weight in grammes of a plate one metre square and of the thickness stated in the 



first column. 



TABLE 43. -Weight of Sheet Metal. (British Measure.) 



Thickness 

 in Mils. 



9 



10 



Iron. 



Pounds per 

 Sq. Foot. 



.04058 

 .08116 

 .12173 

 .16231 

 .20289 



24347 

 .28405 



-32463 

 .36520 

 .40578 



Copper. 



Pounds per 

 Sq. Foot. 



.04630 

 .09260 



.1 ~ 



.15520 

 23150 



.27780 

 .32411 



37041 

 .41671 

 .46301 



Brass. 



Pounds per 

 Sq. Foot. 



.04454 

 .08908 



.13363 

 .17817 

 .22271 



.26725 



3" 79 



.4 

 .44542 



Aluminum. 



Pounds per 

 Sq. Foot. 



.01389 

 .02778 

 .04167 

 05556 

 .06945 



08334 

 .09723 



.11112 



.12501 

 .13890 



Ounces per 

 Sq. Foot. 



.2222 



4445 

 .6667 

 .8890 



I.III2 



1-3335 



1-5557 

 1.7780 



2.OOO2 

 2.2224 



Platinum. 



Pounds per 

 Sq. Foot. 



.1119 

 .2237 

 .3356 



-4474 

 5593 



.6711 



1.0067 



1.1185 



Ounces per 

 Sq. Foot. 



1.790 

 3-579 



7.158 

 8.948 



10.738 



12.527 



'4-317 

 16.106 

 17-896 



Thickness 

 in Mils. 



1 



2 



3 



4 

 5 



6 



I 



9 



10 



Gold. 



Troy 



Ounces per 

 Sq. Foot. 



1.4642 

 2.9285 

 4.3927 

 5.8570 

 7.3212 



8.7854 

 10.2497 



"7139 

 13.1782 

 14.6424 



Grains per 

 Sq. Foot. 



702.8 



2108.5 

 2811.3 

 35M-2 



4217.0 

 4919.8 

 5622.7 



6323-5 

 7028.3 



Silver. 



Troy 



Ounces per 

 Sq. Foot. 



0.7967 

 1-5933 

 2-: 

 3-U 



4.7800 

 5-5767 

 6.3734 

 7.1700 

 7.9667 



Grains per 

 Sq. Foot. 



382.4 



764.8 



1147.2 



1529.6 



1912.0 



2294.4 

 2676.8 

 3059-2 

 3441.6 

 3824.0 



SMITHSONIAN TABLES. 



