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Language

SA-449 Type 1

Alias

SA-449 Type 1

Chemistry

Alloy Steel

Element Min Max (Sizes through 1½ in.)
C (Carbon) 0.3% 0.52%
Mn (Manganese) 0.6%
P (Phosphorus) 0.4%
S (Sulphur) 0.5%
Si (Silicon) 0.15% 0.3%
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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