O-1
Steel availability
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Round Pre-machined 1/2 "to 9. 1/2"
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License plate L. Hot 1/2 "to 4"
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Average Chemical Analysis
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C Yes Mn P S Cr Neither Mo W V Others BHN / HRC
O-1 0.95 0.25 1 - - 0.60 - - 0.60 0.10 - 212 +
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Heat treatment
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Temper temperature (° C) Cooling Medium (° C) Tempering (° C)
O-1 790-850 Oil or salts 180-200
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Features and Applications
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O-1
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General purpose steel, good surface hardness, adequate wear resistance, easy to temper and machine, plastic mold dies, forming and bending dies, paper knives, rhymes, minting dies, etc.