|   AISI Type O1, Oil-hardening Tool Steel, oil quenched at 800°C, tempered at 425°C  Subcategory: Tool Steel; Oil-Hardening Steel; Cold Work Steel; Metal Close Analogs: AISI O2, AISI O6, AISI O7 Key Words: UNS T31501, ASTM A681, FED QQ-T-570, SAE J437, SAE J438, DIN 1.2510, B Material Notes: General purpose non-deforming low alloy for applications requiring extreme dimensional accuracy.  Good abrasion resistance and toughness.
 
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    | DensityHardness, KnoopHardness, Rockwell CHardness, VickersTensile Strength, UltimateTensile Strength, YieldElongation at BreakModulus of ElasticityBulk ModulusPoissons RatioShear ModulusCTE, linear 250°CCTE, linear 500°C
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    | Property Data |  
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