金屬硬度轉(zhuǎn)換表【HLD,HRC,HRB,HV,HB,HSD】

國(guó)家標(biāo)準(zhǔn)硬度轉(zhuǎn)換表HLDHRCHRBHVHB[1]HB[2]HSDHLDHRCHRBHVHB[1]HB[2]HSD3008359633.932231431546.33028459834.232531631846.63048560034.532831932046.93068560234.833032232347.23088660435.133332432547.53108760635.433632732847.83128760835.733833033148.23148861035.934133233348.53168961236.234433533648.83189061436.534633833949834934034149.43229161837.135234334449.73249262037.435534634650635734934950.43289462437.936035135250.73309462638.2363354355513329562838.536635735751.33349663038.736936036051.73369763239372363363523389863439.337536636652.33409963639.637736936952.634210063839.838037137152.934410164040.138337437453.334610164240.438637737753.634810264440.738938038053.935059.610364640.939238338354.235260.310464841.239538638654.63546110565041.539838938954.9HLDHRCHRBHVHB[1]HB[2]HSDHLDHRCHRBHVHB[1]HB[2]HSD35661.710665241.740139239255.235862.41076544240439539555.636063.110865642.340739839855.836263.810965842.641140140156.236464.511066042.841440440456.536665.111166243.141740740756.936865.811266443.442041041057.237066.411466643.642341341357.53726711566843.942641741757.937467.711667044.142942042058.237668.311767244.443342342358.537868.911867444.743642642658.938069.511967644.943942942959.238270.112067845.244243243259.538470.612168045.544643543559.938671.212368245.744943943960.238871.81246844645244244260.539072.312568646.245644544560.939272.912668846.545944844861.239473.412769046.846345145161.6396741296924746645545561.939874.513069447.346945845862.24007513114269647.547346146162.640275.513314469847.847646546562.9404761341457004848046846863.340676.513514770248.348347147163.64087713614970448.64874744746441077.513815070648.849147847864.34127813915270849.149448148164.641478.414115371049.349848548565HLDHRCHRBHVHB[1]HB[2]HSDHLDHRCHRBHVHB[1]HB[2]HSD41678.914215571249.650148848865.341879.314315671449.850549149165.742079.814514015771650.15094954956642280.214614115971850.351349849866.442480.714814316072050.651650250266.742681.114914416272250.852050550567.142881.515114516372451.152450850867.443081.915214716572651.352851251267.843282.415414816672851.653251551568.243482.815515016873051.853551951968.543683.215715116973252.153952252268.943883.615815317173452.354352652669.24408416015417273652.654752952969.644284.416115617473852.855153353369.944484.816315717574053.155553653670.344685.116415917674253.355954054070.744885.516616017874453.65635435437145085.916816217974653.856854754771.445286.316916418174854.157255155171.845486.617116518275054.357655455472.14568717316718475254.558055855872.545887.417416818575454.858456156172.946087.717617018726.47565558956556573.246288.117817218826.775855.359356956973.646488.51791731902776055.55975725727446688.818117519127.376255.760257657674.346889.218317719327.67645660658058074.747089.518517819427.976656.261058358375.147289.918618019628.276856.561558758775.547490.318818219728.577056.761959159175.8HLDHRCHRBHVHB[1]HB[2]HSDHLDHRCHRBHVHB[1]HB[2]HSD47690.619018419828.877256.962459459476.24789119218520029.177457.262859859876.648091.319418720229.477657.46336026027748291.719518920329.777857.663860560577.448492.11971912053078057.964260960977.748692.419919220630.378258.164761361378.148892.820119420830.678458.365261761778.549093.120319620930.978658.665762062078.949293.520519821131.278858.866262462479.349493.920720021231.57905966662862879.749694.320920221431.779259.267163263280.149894.62112042153279459.567663563580.55009521320521732.279659.768163963980.950295.421520721932.579859.968664364381.250495.821720922032.880060.169164764781.650696.221921122233.180260.46976516518250896.622121322433.380460.670282.451019.89722321522533.680660.870782.851220.297.422521722733.98086171283.251420.697.922721922934.281061.271883.75162198.322922123034.481261.472384.151821.398.723122323234.781461.772884.552021.799.22332252343581661.973484.95222299.623522723535.381862.173985.352422.423722923735.682062.374585.752622.823923123935.882262.575086.152823.124123424136.182462.775686.553023.524423624236.482662.97628753223.824623824436.782863.176887.453424.12482402463783063.377387.8HLDHRCHRBHVHB[1]HB[2]HSDHLDHRCHRBHVHB[1]HB[2]HSD53624.525024224837.383263.577988.253824.825224425037.683463.778588.654025.225524625237.983663.979189.154225.525724925438.183864.179789.554425.825925125638.484064.380389.954626.226125325838.784264.580990.454826.52642552593984464.781690.855026.826625826139.384664.982291.255227.126826226339.684865.182891.755427.527026226539.985065.383592.155627.827326526840.285265.484192.655828.127526727040.585465.68489356028.427826927240.885665.885493.556228.828027227441956429.128227427641.486066.286794.456629.428527627841.786266.387494.856829.72872792804286466.588195.35703029028128242.386666.788895.757230.329228328542.686866.889596.257430.629428628742.98706790296.757630.929728828943.287267.290997.157831.229929129243.587467.391697.658031.530229329443.887667.592398.158231.830429629644.187867.693198.658432.130729829944.488067.89389958632.430930130144.78826894699.558832.73123033044588468.19535903331530630845.488668.296159233.331730831045.788868.496859433.63203113134689068.5976硬度

硬度換算公式:

1.肖氏硬度(HS)=勃式硬度(BHN)/10+12

2.肖式硬度(HS)=洛式硬度(HRC)+15

3.勃式硬度(BHN)=洛克式硬度(HV)

4.洛式硬度(HRC)=勃式硬度(BHN)/10-3

硬度測(cè)定範(fàn)圍:

HS<100

HB<500

HRC<70

HV<1300

(80~88)HRA,(85~95)HRB,(20~70)HRC

洛氏硬度中HRA、HRB、HRC等中的A、B、C為三種不同的標(biāo)準(zhǔn)，稱為標(biāo)尺A、標(biāo)尺B、標(biāo)尺C。

洛氏硬度試驗(yàn)是現(xiàn)今所使用的幾種普通壓痕硬度試驗(yàn)之一，三種標(biāo)尺的初始?jí)毫鶠?8.07N(合10kgf)，最后根據(jù)壓痕深度計(jì)算硬度值。標(biāo)尺A使用的是球錐菱形壓頭，然后加壓至588.4N(合60kgf)；標(biāo)尺B使用的是直徑為1.588mm(1/16英寸)的鋼球作為壓頭，然后加壓至980.7N(合100kgf)；而標(biāo)尺C使用與標(biāo)尺A相同的球錐菱形作為壓頭，但加壓后的力是1471N(合150kgf)。因此標(biāo)尺B適用相對(duì)較軟的材料，而標(biāo)尺C適用較硬的材料。

實(shí)踐證明，金屬材料的各種硬度值之間，硬度值與強(qiáng)度值之間具有近似的相應(yīng)關(guān)系。因?yàn)橛捕戎凳怯善鹗妓苄宰冃慰沽屠^續(xù)塑性變形抗力決定的，材料的強(qiáng)度越高，塑性變形抗力越高，硬度值也就越高。但各種材料的換算關(guān)系并不一致。本站《硬度對(duì)照表》一文對(duì)鋼的不同硬度值的換算給出了表格，請(qǐng)查閱。

硬度表示材料抵抗硬物體壓入其表面的能力。它是金屬材料的重