1、An Instron CompanySOFT STEEL, GREY AND MALLEABLE CAST IRONAND MOST NON-FERROUS METALSHARDNESS VS MINIMUM THICKNESS CHART 55RockwellSuperficialHardness ScalesRockwellRegularHardness ScalesAny greaterthickness andhardness can besafely tested onindicated scaleThicknessinches (mm)N BraleIndenterBraleInd
2、enter.006 (0.15).008 (0.20).010 (0.25).012 (0.30).014 (0.36).016 (0.41).018 (0.46).020 (0.51).022 (0.56).024 (0.61).026 (0.66).028 (0.71).030 (0.76).032 (0.81).034 (0.86).036 (0.91).038 (0.96).040 (1.02)15N 30N 45N A D C15kgf30kgf45kgf60kgf100kgf150kgf929088837668XXXXXXXXXXXX-8278.574665747XXXXXXXXX
3、-777472686358513720XXXXXX-8684827976716760XXXXX-7775726863585143XXX-69676562575245372820RockwellSuperficialHardness ScalesRockwellRegularHardness ScalesAny greaterthickness andhardness can besafely tested onindicated scaleThicknessinches (mm)1/16 in BallIndenter1/16 in BallIndenter.010 (0.25).012 (0
4、.30).014 (0.36).016 (0.41).018 (0.46).020 (0.51).022 (0.56).024 (0.61).026 (0.66).028 (0.71).030 (0.76).032 (0.81).034 (0.86).036 (0.91).038 (0.96).040 (1.02)15-T 30-T 45-T F B G15kgf30kgf45kgf60kgf100kgf150kgf9186817568XXXXXXXXXXX-807264554534XXXXXXXX-7162534331184XXXXXX-9891857769XXXX-948780716252
5、4028X-948776685950423122Brale Diamond IndenterDiameter of Specimen - inches (mm)ObservedReading908580757065605550454035302520Scales C, D, A1/8(3.2)NA1/4(6.4)0.50.50.51.01.01.51.52.02.53.03.54.05.05.56.03/8(10)00.50.50.51.01.01.01.52.02.02.53.03.54.04.51/2(13)00.50.50.50.51.01.01.01.51.52.02.02.53.03
6、.55/8(16)000.50.50.50.50.51.01.01.01.51.52.02.52.53/4(19)000.50.50.50.50.50.51.01.01.01.51.52.02.07/8(22)0000.50.50.50.50.50.51.01.01.01.51.51.51(25)00000.50.50.50.50.50.51.01.01.01.01.51-1/4(32)00000000.50.50.50.50.51.01.01.01-1/2(38)000000000.50.50.50.50.51.01.0N Brale Diamond IndenterDiameter of
7、Specimen - inches (mm)ObservedReading908580757065605550454035302520Scales 15-N, 30-N, 45-N1/8(3.2)00.51.01.52.02.53.03.53.54.04.55.05.55.56.01/4(6.4)00.50.51.01.01.51.52.02.02.02.52.53.03.03.03/8(10)00.50.50.51.01.01.01.51.51.51.52.02.02.02.01/2(13)00.50.50.50.50.51.01.01.01.01.51.51.51.51.55/8(16)0
8、00.50.50.50.51.01.01.01.01.01.01.51.51.53/4(19)0000.50.50.50.50.51.01.01.01.01.01.51.57/8(22)00000.50.50.50.51.01.01.01.01.01.51.51(25)00000.50.50.50.50.51.01.01.01.01.01.51-1/4(32)NA1/16 in Ball IndenterDiameter of Specimen - inches (mm)ObservedReading1009080706050403020100Scales B, F, G1/8(3.2)NA1
9、/4(6.4)3.54.05.06.07.08.09.010.011.012.012.53/8(10)2.53.03.54.05.05.56.06.57.58.08.51/2(13)1.52.02.53.03.54.04.55.05.56.06.55/8(16)1.51.52.02.53.03.54.04.54.55.05.53/4(19)1.01.51.52.02.53.03.03.54.04.04.57/8(22)1.01.51.52.02.02.52.53.03.53.53.51(25)0.51.01.51.52.02.02.52.53.03.03.01-1/4(32)NA1-1/2(3
10、8)NA1-1/2(38)NA1/16 in Ball IndenterDiameter of Specimen - inches (mm)ObservedReading9080706050403020Scales 15-T, 30-T, 45-T1/8(3.2)1.53.05.06.58.51/4(6.4)1.02.03.54.55.56.57.59.03/8(10)1.01.52.53.04.04.55.06.01/2(13)0.51.52.02.53.03.53.54.55/8(16)0.51.01.52.02.53.03.54.53/4(19)0.51.01.01.52.02.52.5
11、3.07/8(22)0.51.01.01.52.02.02.02.01(25)0.50.51.01.51.52.02.02.01-1/4(32)NA1-1/2(38)NA10.011.513.0Note 1: A 10 mm steel ball was used for 450 BHN and below. A 10 mm carbide ball wasused above 450 BHN.2: The tensile strength relation to hardness is inexact, even for steel, unless it isdetermined for a
12、 specific material.The values shown are approximate only and this chart is intended primarily as a reference guide.These corrections are approximate only and represent the averages to thenearest 1/2 Rockwell number.X = No minimum hardness. These are approximate numbers only.HARDENED STEEL AND HARD A
13、LLOYS80797877767574737271706968676665646362616059585756555453525150494847464544434241403938373635343332313029282726252423222120C AD 15-N 30-N 45-N HV HK HB KSI WMNG60kgBrale100kgBrale15 kgNBraleSuperficial30 kgNBrale45 kgNBrale10 kg500 gmandover3000kg10 mmball150kg1/16“ball1000 lbs/sq in1000gmVicker
14、s Knoop BrinellTensileStrengthMicro-ficialRockwell150kgBrale92.091.591.090.590.089.589.088.588.087.086.586.085.685.084.583.983.482.882.381.881.280.780.179.679.078.578.077.476.876.375.975.274.774.173.673.172.572.071.570.970.469.969.468.968.467.967.466.866.365.865.364.664.363.863.362.862.462.061.561.0
15、60.586.585.584.584.083.082.581.581.080.079.578.578.076.976.175.474.573.873.072.271.570.769.969.268.567.766.966.165.464.663.863.162.161.460.860.059.258.557.756.956.255.454.653.853.152.351.550.850.049.248.447.747.046.145.244.643.843.142.141.640.940.192.091.591.090.590.089.088.588.087.086.586.085.084.4
16、83.682.881.981.180.179.378.477.576.675.774.873.973.072.071.270.269.468.567.666.765.864.864.063.162.261.360.459.558.657.756.855.955.054.253.352.151.350.449.548.647.746.845.945.044.043.242.341.596.596.396.095.895.595.395.094.894.594.394.093.593.292.992.592.291.891.491.190.790.289.889.388.988.387.987.4
17、86.986.485.985.585.084.583.983.583.082.582.081.580.980.479.979.478.878.377.777.276.676.175.675.074.573.973.372.872.271.671.070.569.969.487.086.585.584.583.582.581.580.579.578.577.576.575.474.273.372.071.069.968.867.766.665.564.363.262.060.959.858.657.456.155.053.852.551.450.349.047.846.745.544.343.1
18、41.940.839.638.437.236.134.933.732.531.330.128.927.826.725.524.323.122.020.719.6NA92.091.090.089.088.087.086.084.583.582.581.0186517871710163315561478140013231245116010761004940900865832800772746720697674653633613595577560544528513498484471458446434423412402392382372363354345336327318310302294286279
19、272266260254248243238_972946920895870846822799776754732710690670650630612594576558542526510495480466452438426414402391380370360351342334326318311304297290284278272266261256251NA739722706688670654634615595577560543525512496481469455443432421409400390381371362353344336327319311301294286279271264258253
20、247243237231226NA351338325313301292283273264255246238229221215208201194188182177171166161156152149146141138135131128125123119117115112110_953949945942938934930926922917913909904900896891887883879874870865861856851847842837832827822817812807802798793788783778773768762757751746741736730725720NOTE1NOTE
21、2CYLINDRICAL CORRECTION CHART 53Cylindrical work corrections to be added to observedRockwell number for scales indicated100999897969594939291908988878685848382818079787776757473727170696867666564636261605958575655545352515049484746454443424140393837363534333231302928272625242322212019181716151413121
22、1109876543210B FG 15-T 30-T 45-T HKHBHVKSI WMNASuperficial500 gmandover3000 kg10 kg60kg1/16“ball1000lbs/sq in1000gmKnoop10 mmVickers 136TensileStrengthMicroficialRockwell100kg1/16“ball61.560.960.259.558.958.357.657.056.455.855.254.654.053.452.852.351.751.150.650.049.548.948.447.947.346.846.345.845.3
23、44.844.343.843.342.842.341.841.440.940.440.039.539.038.638.137.737.236.836.335.935.535.034.634.133.733.332.932.432.031.631.230.730.329.929.529.128.728.227.827.427.026.626.025.525.024.524.324.023.523.022.522.021.521.321.020.520.0NA82.581.079.077.576.074.072.571.069.067.566.064.062.561.059.057.556.054
24、.052.551.049.047.546.044.042.541.039.037.536.034.532.531.029.528.026.525.023.522.020.519.017.516.014.513.011.510.08.57.05.54.02.5NA93.192.892.592.191.891.591.290.890.590.289.989.589.288.988.688.287.987.687.386.986.686.386.085.685.385.084.784.384.083.783.483.082.782.482.181.881.481.180.880.580.179.87
25、9.579.278.878.578.277.977.577.276.976.676.275.975.675.374.974.674.374.073.673.373.072.772.372.071.771.471.070.770.470.069.369.569.068.868.568.067.867.567.367.066.566.366.065.565.365.064.564.364.063.863.563.062.862.562.061.861.561.060.572.971.970.969.968.967.966.965.964.863.862.861.860.859.858.857.85
26、6.855.854.853.852.851.850.849.848.847.846.845.844.843.842.841.840.839.838.737.736.735.734.733.732.731.730.729.728.727.726.725.724.723.722.721.720.719.718.717.716.715.714.713.612.611.610.69.68.67.66.65.64.63.62.61.0NANA99.699.198.598.097.496.896.295.695.194.593.993.492.892.291.791.190.590.089.488.888
27、.287.787.186.586.085.484.884.383.783.182.682.081.480.880.379.779.178.678.077.476.976.375.775.274.674.073.573.072.572.071.070.570.069.569.068.568.067.066.566.065.565.064.564.063.563.062.061.561.060.560.059.559.058.057.557.0116114109104102100989492908988868483828180777372706968676665646362616059585756
28、NA7307257197137077016966906846796746686626566516466406346296246186126076025965925875815765715665615565515465425375325275225175125075024974924874824774724684634584534484444394354304264224174134094044013963923883843803763723693653613573533503463433393353323293253223183143113083043002972932892862832792
29、76272NOTE2NA10099.599.098.097.597.096.095.595.094.593.593.092.592.091.090.590.089.589.088.087.587.086.585.585.084.584.083.582.582.081.581.080.079.579.078.578.077.076.576.075.575.074.073.573.072.572.071.070.570.069.568.568.067.567.066.565.565.064.564.063.562.562.061.561.060.560.059.058.558.057.557.0E
30、 HKNA10099.598.598.097.096.595.594.594.093.092.091.090.589.588.588.087.086.085.084.583.582.581.581.080.079.078.077.576.575.574.574.073.072.071.070.569.568.568.067.066.065.064.563.562.561.561.060.059.058.057.556.555.554.554.053.052.051.550.549.548.548.047.046.045.044.543.542.541.541.040.039.038.037.5
31、36.535.535.034.033.032.031.530.529.529.028.027.026.025.524.523.523.022.021.0150kg1/16“ball60kgBrale100kg1/8“ball60kg1/8“ball150kg1/8“ball30 kg1/16“ball15 kg1/16“ball45 kg1/16“ballNA10099.599.098.898.598.097.897.597.096.596.396.095.595.395.094.594.394.093.593.092.892.592.091.891.591.090.590.390.089.5
32、89.389.088.588.087.887.587.02512462412362312262212162112062011961921881841801761731701671641611581551521501471451431411391371351331311291271251241221201181171151141121111101091081071061051041031021011009998979695949392919089888787868584838282818180797878777675757473727171706969696868636383.182.581.8
33、81.180.479.879.178.477.877.176.475.875.174.473.873.172.471.871.170.469.769.168.467.767.166.465.765.164.463.763.162.461.761.060.459.759.058.457.757.056.455.755.054.453.753.052.451.751.050.349.749.048.347.747.046.345.745.044.343.743.042.341.641.040.339.639.038.337.637.036.335.634.534.033.032.532.031.0
34、30.529.529.028.527.527.026.025.525.024.023.523.022.021.520.520.019.518.518.017.016.516.015.0BrinellHB500 kg10 mmball2011951891841791751711671631601571541511481451421401371351331301281261241221201181161141121101091071061041021019998969594929190898786858483828180807978777675757473727271706969686766666
35、5656464636262616160605959595858575757565655555554545453240234228222216210205200195190185180176172169165162159156153150147144141139137135132130127125123121119117116114112110108107106104103101100NA1-800-695-4273 . TEL 781-575-6000 . FAX 781-575-5770 . WWW.WILSONINSTRUMENTS.COMOriginator of the Rockwel
36、l TesterWorldwide Service Network1-800-473-7838Wilson Instruments hardness testers are backed by anextensive professional service force. It is the industryslargest and most responsive group, including factorytrained and ISO 17025-accredited service engineers,application engineers and service special
37、ists. Wilsonsfield personnel expertise is just a phone call away.Services include:. Calibration and Certification. Preventative Maintenance. Emergency Service. Installation and Relocation. On-Site Parts and Accessories. Application Support and Solutions. On-Site TrainingConversionsWhere applicable,
38、all values are consistent withASTM E 140, Tables 1 and 2 and ASTM A370, Tables3A and 3B. Values not included in the ASTM tableswere developed by Wilson Instruments in the WilsonStandards Laboratory and are not approved by ASTM.Cylindrical CorrectionsValues are consistent with ASTM E 18 Tables 6, 7,1
39、3 and 14.Hardness vs. Minimum ThicknessValues are consistent with ASTM E 18 tables 4, 5, 11and 12 except for D and G scale values, which areobtained from Indentation Hardness Testing by VincentE. Lysaght.Hardness ProductsInstron offers a full range of Wilson Instrumentstesting products and technolog
40、y to meet virtually anyhardness testing application and budget, including:. Rockwell Testers. Microindentation Testers. MicroRockwell Testers. Image Analysis and Automatic Systems. Brinell Testers. Universal Hardness Testers. Mobile and Portable Testers. Shore Durometers for Rubber and PlasticCONVERSION CHART
