Transcription of Hardness Conversion Rockwell C Chart - Lab Testing
1 800-219-9095 Fax: 800-219-9096E-mail: Topaz Drive, Hatfield, PA 19440 BrinellVickersKnoopTensile Strength10 mm Carbide BallDiamond PyramidDiamond PenetratorSteelC Scale 150 kgfD Scale 100 kgfA Scale 60 kgf15N Scale 15 kgf30N Scale 30 kgf45N Scale 45 kgf3000 kgf Hardness10 kgf500 gf & overEquiv. 1000 lb sq in68778693847594092067768593847490089566 7685938373865870657584928272832846647484 9281718008226373839180707727996273839179 6974677661728291796872075460718190786769 7732597081907766634674710586980897664615 6536905769808975635956336705668798874625 7761365055677988736156059563054667887726 0543577612536577877159525560594526577867 0575125445765164768669564965285585063768 6695548151354249627585685446949852648617 5856753455484510476174846651443471495466 0738465504324584804559738364494214464664 4597383634840943445243587282624740042343 8425772826146390412426415671816044381402 4144055708060433713924023955708059423623 8239138546979584135337238037536979574034 4363370 Rockwell C
2 Hardness ConversionDiamond PenetratorDiamond PenetratorSuperficial RockwellRockwellApproximate Conversion Numbers for Non-austenitic Steels 800-219-9095 Fax: 800-219-9096E-mail: Topaz Drive, Hatfield, PA 19440 BrinellVickersKnoopTensile Strength10 mm Carbide BallDiamond PyramidDiamond PenetratorSteelC Scale 150 kgfD Scale 100 kgfA Scale 60 kgf15N Scale 15 kgf30N Scale 30 kgf45N Scale 45 kgf3000 kgf Hardness10 kgf500 gf & overEquiv. 1000 lb sq inRockwell C Hardness ConversionDiamond PenetratorDiamond PenetratorSuperficial RockwellRockwellApproximate Conversion Numbers for Non-austenitic Steels3652687856383363543603552687855373 2734535134516777543631933634233506777533 8311327334324966765234301318326314866765 1332943103183048657550312863023112947657 5503027929430428466474492927128629727456 4734828264279290264563734727258272284254 4637246262532662782443627245242472602722 3426271442324325426622426271432223724826 1214161704221231243256204061694220226238 251 NOTE: For a more accurate comparison, see ASTM E 140
