AISI 4150 Hot Rolled Heat Treated Stress Relieved
AISI 4150 Hot Rolled Heat Treated Stress Relieved
4150 HRHTSR is a free-machining alloy steel that provides an outstanding combination of heat treated properties and superior machinability. This alloy steel is manufactured under close quality control for uniformity to an ASTM grain size of 5 to 8. It is especially suitable for service applications where substantial strength, toughness and hardness are required.
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Typical Analysis
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AISI 4150
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Carbon (C)
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.48-.53
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Manganese (Mn)
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.75-1.00
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Silicon (Si)
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.15-.30
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Tungsten (W)
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Molybdenum (Mo)
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.15-.25
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Chromium (Cr)
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.80-1.10
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Vanadium (V)
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Sulphur (S)
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.040 MAX
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Phosphorus (P)
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.035 MAX
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HEAT TREATMENT
Quenched from
Tempered at
Quenching medium
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1525 Degrees F (828 C)
1100 Degrees F (593 C)
O(I)
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TENSILE STRENGTH
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156,000 lbs. PSI
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YIELD POINT
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138,000 lbs. PSI
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BRINELL HARDNESS
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302
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ROCKWELL B
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32
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ELONGATION IN 2”
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18.00%
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REDUCTION IN AREA
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51.00%
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