|
Schedule of Commercial Lead Thickness and Weight
|
Lead Sheet
Thickness* Fractions of an Inch
|
Decimal
Equivalent
|
Millimeter
Equivalent
|
Weight Nominal Lbs.
Per SF
|
|
1/64”
|
.0156”
|
.03968mm
|
1#
|
|
1/32”
|
.0312”
|
.07937mm
|
2#
|
|
5/128”
|
.0391”
|
.09922mm
|
2 ½#
|
|
3/64”
|
.0469”
|
1.1906mm
|
3#
|
|
1/16”
|
.0625”
|
1.5875mm
|
4#
|
|
5/64”
|
.0781”
|
1.9844mm
|
5#
|
|
3/32”
|
.0937”
|
2.3812mm
|
6#
|
|
1/8”
|
.1250”
|
3.1750mm
|
8#
|
|
5/32”
|
.1562”
|
3.9697mm
|
10#
|
|
3/16”
|
.1875”
|
4.7625mm
|
12#
|
|
1/4”
|
.2500”
|
6.3500mm
|
16#
|
|
3/8”
|
.375”
|
9.5250mm
|
24#
|
Shielding is 99.9% pure sheet lead, meeting Federal
Specifcation QQ-L-201F
* Standard
thickeness tolerance for lead sheet : Plus or
Minus 0.005”
** Standard thickness tolerance for
lead plate: Plus or Minus 0.010”
|
Lead Plate
Thickness** Fractions of an Inch
|
Decimal
Equivalent
|
Millimeter Equivalent
|
Weight Nominal Lbs.
Per SF
|
|
1/2"
|
.050”
|
12.70mm
|
30#
|
|
3/4"
|
0.75”
|
19.05mm
|
46#
|
|
1”
|
1.00”
|
25.40mm
|
60#
|
|
1-1/2”
|
1.50”
|
38.10mm
|
90#
|
|
2”
|
2.00”
|
50.80mm
|
120#
|
|
2-1/4”
|
2.25”
|
57.15mm
|
135#
|
|
2-1/2”
|
2.50”
|
63.50mm
|
150#
|
|
2-3/4”
|
2.75”
|
69.85mm
|
165#
|
|
3”
|
3.00”
|
76.20mm
|
180#
|
|
3-1/4”
|
3.25”
|
85.55mm
|
195#
|
|
3-1/2”
|
3.50”
|
88.90mm
|
210#
|
|
