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4150 Dybar is a special quality alloy steel that has been resulphurized for considerations for machining. Modifications have been made to the chemical composition for increased hardenability. This steel is made by a single slab electric furnace process to a silicon fully killed practice and resulphurized to set limits.
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TYPICAL ANALYSIS |
AISI 4150 |
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Carbon (C) |
.47/.55 |
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Manganese (Mn) |
.95/1.30 |
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Silicon (Si) |
.20/.35 |
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Molybdenum (Mo) |
.15/.25 |
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Chromium (Cr) |
.60/.90 |
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Vanadium (V) |
.10 MAX |
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Sulphur (S) |
.06/.10 |
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Phosphorus (P) |
.025 MAX |
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Nickel (Ni) |
.25 MAX |
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Columbium |
.015/.035 |
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