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SA-449 Type 3

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Alias

SA-449 Type 3

Chemistry

Alloy Steel

Element Min Max (Sizes through 1½ in.)
C (Carbon) 0.33% 0.4%
Mn (Manganese) 0.9 1.2%
P (Phosphorus) 0.35%
S (Sulphur) 0.04%
Si (Silicon) 0.15% 0.35%
Cu (Copper) 0.25% 0.45%
Ni (Nickel) 0.25% 0.45%
Cr (Chromium) 0.45% 0.65%

Mechanical Property Min Max (¼ to 1 incl.)
Tensile Strength 120000 psi
Yield Strength 0.2% offset 92000
Elongation 14% 4D
Reduction of Area 35%
Hardness (Brinell) 253 319
Hardness (Rockwell C) 25 34

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Information is given for illustrative purposes only. Tachart accepts no responsibility for the accuracy of the data contained within or the use of the data by any other party.
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