Machinery’s Handbook, 31st Edition
2920
Index
H ardmetals
G yration, radius of 235–238 bar, small diameter 235 circular disk, thin 236 circular ring, thin flat 236 cone 237 frustum 237 cylinder hollow 237 thin hollow 237 ellipsoid 238 paraboloid 238 parallelepiped 236 parallelogram 235 plate, thin flat 235 prism, rectangular 237 ring 235 sphere 238 hollow 238 spherical shell, thin 238
( continued )
tooling for wood and nonmetals 870 tungsten carbide 861–863 H ardness 462 aluminum alloys 531–539 cobalt alloys 389 copper alloys 388 copper-base powdered alloys 390 heat-treated steels 419–420 iron-base powdered alloys 390 magnesium alloys 544 nickel alloys 389 number Brinell 507 Rockwell 507 steel 1483 plastics 387 powdered metal alloys 390 relation to tensile strength 506 scales comparison 504, 505–508 Rockwell 503 stainless steel 389 steel 388 carbon and alloy 421–426 bearings 2400 ceramics 386
H
H alf circle
moments of inertia 244 radius of gyration 244 section modulus 244 expansion reamers 921 of flute helix 874 of milling cutter 872 reamers 908 alloy steels 411–412 steel 458, 467, 470 flame 484 induction 484 temperatures
tool steels 444, 445, 447, 452, 455
testing 502
H and
Brinell 502 conversion errors, causes 506 conversion tables 505 durometer 506, 2688 Hultgren ball 502, 506 Keep’s test 504 Mohs hardness scale 506 monotron 504 Rockwell 503, 505 scleroscope 503, 506 Turner’s sclerometer 506 Vickers 503, 506
H ardening 469, 470
stainless steel 491–492 tool steels 470
tungsten-base powdered alloys 390 H ardness number conversion 1757 H ard rubber, machining 1259 H armonic 181 H arvey grip thread 2121 H DL, hydrodynamic lubrication 2500 H eat absolute temperature and zero 2870 coefficients of radiation 372 coefficients of transmission 372 Fahrenheit-Celsius conversion 2870 freezing mixtures 373 ignition temperatures 373 latent 369 loss from uncovered steam pipes 370 mechanical equivalent 2870
test methods 463 tool steels 432
H ard facing 1606 austenitic high-chromium irons 1607 austenitic manganese steels 1606 cobalt-base alloys 1607 copper-base alloys 1608 high-speed steels 1606 materials 1606 nickel-chromium-boron alloys 1608 H ardmetals 860–870 carbonitride based 863 coated 866 ISO classifications 866 titanium carbide 862
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