WebDrilling: In drilling nickel alloys, steady feed rates should be used. If the drill is allowed to dwell, excessive work hardening of the metal at the bottom of the hole will make it … WebJul 5, 2012 · Well after no sucess with carbide insert drills I was able to drill .718 dia hole 1 inch thru with hss twist drill 25 sfm .005fpr. 15 holes and counting. Go figure. ... Gurhing 5510 drill. Coolant through. Inconel 625 70 sfpm, inco 718 60 sfpm. .0055 ipr. No peck, no spot. If your having a problem with chips stringing add a chip break halfway ...
Inconel Machining Superalloys Superior Steel Fabrication
WebInconel 600 series 135-140 15-30 .003" - .006" .006" - .010" .008" - .012" .010" - .014" .012" ... HSS Drill Feeds & Speeds Twist Drill Recommended Feed Rates by Diameter … WebDec 15, 2024 · Had a job drilling ~.375 x 4” dp holes in inconel 625. Regular 118* jobbers weren’t cutting it so we called up dormer and bought what they recommended and used their speeds and feeds. ... I drill lots of it with HSS, usually cobalt split point drills for smaller holes. 15-20SFM , I'd use about 400-450rpm for that 3/16", coolant/good cutting ... is amulet a anime
General Drilling and tapping inconel 625 Practical Machinist ...
Webfeeds & speeds — drilling or reaming general purpose or coolant fed feed rate (inches per revolution) hole diameter in inches cutting speed (sfm) starting range* 1/8 1/4 3/8 1/2 5/8 3/4 1 11/4 11/2 ... a-286; hastelloy c; inconel 600, 625, 718, 825; monel 400; nimonic 75, 80; rene 41; waspaloy WebInconel 600 series: 135-140: 15-30: Inconel X: 135-140: 10-15: Hastelloy: 135-140: 15-30: Titanium and titanium alloys: ... 200-300: Brass: 111: 150-250: Bronze: 118: 100-200: … WebIT’s an economical solution for most maintenance drilling applications. Cobalt (HSCO) is considered an upgrade from HSS because it includes 5-8% Cobalt blended into the base material. This is a great option for drilling into harder steel as well as stainless steel grades. Carbide (Carb) is the hardest and most brittle of the drill bit materials. is a mung bean a legume