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SA-449 Type 3

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SA-449 Type 3


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

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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