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Gray-Cast-Iron-Hss — Drilling

Name: Machining Speeds Feeds — drilling: record id gray_cast_iron#hss · cutting speed sfm max 130 sfm · cutting speed sfm typical 100 sfm · tool life min typical 60 min · material gray_cast_iron
Creator: Engineering Database

Operation: Drilling
Record Id: Gray Cast iron#hss
Cutting Speed Sfm Max (sfm): 130
Cutting Speed Sfm Min (sfm): 80
Cutting Speed Sfm Typical (sfm): 100
Feed Ipr Max (in/rev): 0.012
Feed Ipr Min (in/rev): 0.004
Feed Ipr Typical (in/rev): 0.008
Material: Gray Cast Iron
Material Group: K Cast Iron
Specific Cutting Energy Hp per IN3 per Min (hp/(in3/min)): 0.75
Surface Finish Ra Uin Typical (uin): 400
Tool Life Min Typical (min): 60
Tool Type: Hss

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