hrahrc硬度对照表

1、RockwellBrinellBrinelRockwell Hardn essSuperficiApproximalalteHard nessInden tati3000Rockwe Rockwe Rockwe RockweTen sileonkgfll All Bll Cll DDiameter10 mm60 kgf 100 kgf 150 kgf 100 kgf15 30 45 kgf kgf kgfStre ngthVickerDiam onmmBall, 1sd682737670720656700653697647690638680630670627667-677601640Brine

2、llBrinellRockwell Hardn essRockwellSuperficialHardn essApproximateInden tationDiameter3000kgf10 mmRockwe Rockwe Rockwe Rockwe ll A ll B ll C ll D60 kgf 100 kgf 150 kgf 100 kgf15 30 45Ten sileStren gthkgf kgf kgfmmBall Vicker Diamon 1 sdHardn ess RangeB Appe ndix X1 contains equati ons con vert ing d

3、eterm ined hard ness scale numbers to Rockwell C hard ness nu mbers for non-auste nitic steels.C The Brin ell hard ness nu mbers in pare ntheses are outside the range “ecomme nded for Brin ell hard ness testi ng in of Test Method E 10.These Scleroscope hard ness conv ersi ons are based on Vickers Sc

4、leroscope hard ness relati on ships developed from Vickers hard ness data provided by the Nati onal Bureau of Stan dards for 13 steel ”efere nee blocks, Scleroscope hard ness values obta ined on these blocks by the Shore Instrument and Mfg. Co., Inc., the Roll Manufacturers Institute,and membersof t

5、his institute,and also on hardness conversionspreviously published by the America n Society for Metals and the Roll Manu facturers In stitute.Approximate Hardn ess Conv ersi on Numbers for Non-Auste nitic SteelsA b(Rockwell B Hardn ess Ran ge)Rockwell BHard ness Number, 100-kgfVickersHardn essNumber

6、(HV)Brinell Hard ness Number, 3000-kgf, (HBS)Knoop Hard ness Number, 500-gf, andRockwell AHardn ess Number, 60-kgf,Rockwell FHardn ess Number, 60-kgf,15-T Scale,15-kgf,(HR 15-T)Rockwell Superficial Hardn ess30-T Scale,30-kgf,(HR 30-T)(HRB)Over (HK)(HRA)(HRF)100240240251992342342469822822824197222222

7、236962162162319521021022694205205221932002002169219519521191190190206901851852018918018019688176176192871721721888616916918485165165180841621621768315915917382156156170811531531678015015016479147147161Rockwell BHard ness Number, 100-kgf (HRB)VickersHardn essNumber(HV)Brinell Hard ness Number, 3000-k

8、gf, (HBS)Knoop Hard ness Number, 500-gf, and Over (HK)Rockwell AHardn ess Number, 60-kgf, (HRA)Rockwell FHardn ess Number, 60-kgf,(HRF)Rockwell Superficial Hardn ess15-T Scale,15-kgf,(HR 15-T)30-T Scale,30-kgf,(HR 30-T)478144144158771411411557613913915275137137150741351351477313213214572130130143711

9、271271417012512513969123123137681211211356711911913366117117131651161161296411411412763112112125621101101246110810812260107107120591061061185810410411757103103115561011011145510010011254111Rockwell B Hard ness Number, 100-kgf (HRB)VickersHardn essNumber (HV)Brinell Hard ness Number, 3000-kgf, (HBS)K

10、noop Hard ness Number, 500-gf, andOver (HK)Rockwell AHardn ess Number, 60-kgf, (HRA)Rockwell FHardn ess Number, 60-kgf,(HRF)Rockwell Superficial Hardn ess15-T Scale,15-kgf,(HR 15-T)30-T Scale,30-kgf,(HR 30-T)45311052109511085010749106481054710446103451024410143100429941984097399638953794369335923491

11、3390328931883087AIn table headings, kgf refers to total test force.B Appe ndix X2 contains equatio ns con vert ing determ ined hard ness nu mbers to Rockwell B non-auste nitic steels. Refer to before using con versi on equati ons.Approximate Hardn ess Conv ersi on Numbers for No n-Auste nitic Steels

12、 (Rockwell C Hard ness Ra nge)Rockwell Hardn ess Number,B Scale (100-kgf, 1? 16-i n.ball) (HRB)Brin ell Hard ness Number (3000-kgf, 10-mm ball) (HBS)1002569924898240972339622695219942139320792202911979019289187881838717886174851708416783163821608115680153791507814777144761427513974137731357213271130

13、7012869126681246712266120651186411663114621136111160110Approximate Rockwell Hard ness Conv ersi on Numbers for Auste nitic Stai nl ess Steel SheetA,BRockwell Hard ness NumberRockwell SuperficialHardn ess NumberC Scale, 150-kgf Diam ond Pen etrator (HRC)A Scale, 60-kgf, Diam ondPen etrator (HRA)15-N

14、Scale,15-kgf, SuperficialDiam ond Pen etrator (HR 15-N)30-N Scale, 30-kgf, SuperficialDiam ond Pen etrator (HR 30-N)45-N Scale,45-kgf, SuperficialDiam ond Pen etrator (HR 45-N)484746454443424140393837367835343332313029282726252423222120A Scale,B Scale,_ _ . -F Scale,15-T Scale,30-T Sc60-kqf,100-kgf,Diamo nd6知15-kgf,30-kg1/16-i n.1/16-i n.1/16-i n.1/