Surface speeds and feeds for Carbide tools.

Surface Speeds =ft / min.

Feed = inch / rev.

Material Rake Angle Turn or
Face 		Bore or
Part Off 		Mill Feed
Rough Finish Rough Finish Rough Turn Finish Turn
Mallable Iron 3° 300 400 200 350 175-210 0.060 0.008
Cast Iron 3° 250 400 180 250 175-260 0.060 0.010
Magnesium Alloys 8° to 15° <------------Unlimited-----------> 0.030 0.005
Aluminium Light Alloys 8° to 15° <------------Unlimited-----------> 0.030 0.005
Soft Brass 3° 1000 1500 300 1200 480-750 0.030 0.015
Hard Brass 0° to 3° 600 1000 400 600 350-500 0.080 0.012
Low Carbon steel
(up to 0.3% C) 		8° 750 1000 500 750 260-350 0.040 0.008
Medium carbon steel
(0.3-0.6% C) &
Phosphor Bronze		 3° 700 850 450 600 210-260 0.060 0.010
40-60 ton Alloy Steel 0° to 3° 400 550 300 400 150-190 0.020 0.008
High carbon Steel
(> 0.6% C) 		-4° to -2° 300 400 200 300 140-175 0.020 0.008
Nickel chrome Steel -2° 220 250 150 150 110-145 0.015 0.005
Stainless Steel 8° <------------Up to 100-----------> 0.015 0.005