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Formulas References References

Weight of Carbon and Alloy Steel

WEIGHT OF STEEL PLATE
Thickness x Width x Length x .2836 = pounds
WEIGHT OF STEEL CIRCLES
Thickness x Diameter x .22274 = pounds
WEIGHT OF STEEL RINGS OD/ID
Thickness x (OD2 - ID2) x .22274 = pounds
WEIGHT OF STEEL ROUND BARS
Diameter x 2.67026 = pounds per linear foot
 

Length of Stretch-Out for Rolled Cylinders

LENGTH OF PLATE REQUIRED =
Outside Diameter - Thickness x 3.1416 
OR
Inside Diameter + Thickness x 3.1416
Brinell
(carbide ball)
Rockwell 
(C Scale)
Tensile
Strength
243 23 114000
250 25 120000
270 28 128000
285 30 136000
320 34 152000
344 37 165000
360 39 175000
390 42 195000
400 43 212000
421 45 217000
450 48 235000
481 50 257000
500 51 270000
543 54 298000
600 57 --
650 60 --
700 63 --

Metric to English

Kilograms x 2.20462 = Pounds
Metric Ton x 0.90718 = Net Ton
Millimeters x 0.03937 = Inches
Meters x 3.280833 = Feet
Meters x 1.09361 = Yards
Sq Cm x 0.0155 = Sq In
Sq Meter x 10.76387 = Sq Feet
 

Chemical Symbols

SYM CHEMICAL NAME SYM CHEMICAL NAME
C= Carbon Cu= Copper
Mn= Manganese Ni= Niobium
Si= Silicon Al= Aluminum
S= Sulphur V= Vanadium
P= Phosphorus Mo= Molybdenum
Cr= Chromium Ti= Titanium
Ni= Nickel Cb= Columbium