Drill Rod Data - precisionkidd.com
2014-9-9 · O-1 Keystone Ground and Polished Drill Rod KEYSTONE DRILL ROD is an electric furnace melt oil-hardening tool steel supplied with a fully- ... Rockwell Temper ° F C Hardness As Quenched 63-65 300 63-65 400 61-64 500 60-63 600 57-60 800 48-51 1000 44-48 Tempering Data Rockwell Temper ° F C Hardness As hardened 62-65 300 61-64
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