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 Engineering Formulae
  Tensile Strength
 

 

Tensile Strength of Metals and alloys

Name Tenacity Tons per sq. in.
Manganese steel, cast 38
Mitis iron 27
Aluminum Bronze 25
Phosphor bronze, cast 15 to 16
Delta metal No. 1 forged 48
Ditto, cast 48
Muntz Metal 20
Malleable cast iron 15
Copper, wire 25
Copper, Sheet and Bolt 15
Copper, cast 10
Gun-Metal 12
Brass 10
Zinc 3
Cast Lead 1
Aluminum, wrought, not annealed 14.7
Ditto, annealed 6.0

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Strength of Iron and Steel in Tension, Torsion, Shear and Compression

Material Tension Torsion Shear Resistance to Crushing
Yield Point tons per sq.in. Breaking Stress, tons per sq. in. Modulus of Elasticity Yield Point, tons per sq. in. Breaking Stress, tons per sq. in. Modulus of Elasticity Breaking Stress, tons per sq. in. Tons. per sq. in.
Wrought Iron 15.04 21.60 28,330,000 8.99 25.20 12,800,000 18.76 17.0
Wrought Iron 17.13 24.56 29,030,000 10.22 29.50 13,920,000 20.72 17.0
Wrought Iron 16.82 25.01 28,750,000 10.36 28.87 13,700,000 21.21 17.0
Wrought Iron 11.16 22.46 30,826,000 8.93 22.32 11,570,000 19.51 -
Mild Steel 16.82 25.75 29,170,000 10.16 28.13 13,400,000 21.50 -
Mild Steel 17.85 28.40 28,860,000 10.20 29.85 13,070,000 23.00 -
Bessemer Steel 31.14 52.20 29,466,000 20.28 44.64 12,880,000 35.21 80.0
Steel Casting 17.22 38.04 30,400,000 10.40 34.70 13,040,000 27.60 -
22.23 29.06 26,029,600 20.09 39.28 12,138,500 29.70 23.13
Crucible Steel 31.06 52.16 29,522,000 19.36 42.30 13,660,000 33.30 -
Crucible Steel Casting 20.09 22.51 28,796,000 19.64 29.56 13,048,300 18.90 26.75
Cast Iron - 11.43 15,560,000 - 16.30 7,110,000 5.24 45.0
Cast Iron, turned - 11.62 14,013,500 - 15.47 5,514,740 12.34 33.2
Crucible steel forging 24.55 47.05 28,546,000 18.53 44.68 11,729,000 33.13 6.6

Note- Moduli of elasticity shown above are in pounds per square inch

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