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Machining Guidelines

Rod, Bar & Tube Machining Guidelines
For Berylco Alloys
MaterialTurningDrillingEnd Milling (0.500" wide cut)
AlloyTemperSpeed
(SFM)
Feed
(IPR)
Speed
(SFM)
Feed
(IPR)
Speed
(SFM)
Feed
(IPT)
C17200ANN1200 - 1500.010 - .020200 - 300.002 - .010200 - 350.002 - .008
C17200HARD1000 - 1200.008 - .016150 - 250.002 - .006200 - 250.001 - .003
C17200AT, HT800 - 1000.005 - .015100 - 200.002 - .006150 - 250.001 - .002
C17510ANN1200 - 1500.010 - .025200 - 300.002 - .010300 - 400.002 - .008
C17510HARD1000 - 1200.010 - .020150 - 250.002 - .008200 - 300.001 - .006
C17510AT, HT800 - 1200.008 - .016100 - 300.002 - .006200 - 300.001 - .004
*Tapping Recommendations: Drill Sizes should be 2% - 3% larger than standard in HT, AT, and Hard Alloys.
*For Automatic Tapping RMP should be 10x TPI.
*Reccomend Taps for Pre-Heat Treated Alloys up to 38 HRc.
*All Feeds & Speeds are based on the use of Carbide tooling.
*Actual optimum Feed & Speed will vary upon machine rigidity, horsepower, coolant, tool geometry, etc.
Plate Machining Guidelines
Berylco PLUS, SUPRA, and ULTRA Plate
High Speed Steel Tools
MaterialsMachinabilityTurning DrillingEnd Milling
Berylco®
Product
Alloy Rating* Chip
Type
Speed
(SFM)
Feed
(IPR)
Speed
(SFM)
Feed
(IPR)
Speed
(SFM)
Feed
(IPT)
Depth of
Cut (IN)
Plus C1751040II600- 700.010- .025125- 500.002- .005400- 800.005- .008.060- .125
Supra
Ultra
C1720020II200- 300.010- .020100- 300.002- .009150- 250.001- .003.060- .125
I=Free Cutting
II=Short Chip
For carbide tools,
increase speed 2-3 times
listed value.
For hole depths more
than 2 times the
drill diameter,
reduce speed and feed.
For carbide tools,
increase speed 2-3 times
listed value.