硬度转换表【hldhrchrbhvhbhsd】

PAGE\*MERGEFORMAT#家 标准 excel标准偏差excel标准偏差函数exl标准差函数国标检验抽样标准表免费下载红头文件格式标准下载 硬度转换表HLDHRCHRBHVHB1HB2HSDHLDHRCHRBHVHB1HB2HSD3008359633.932231431546.33028459834.232531631846.63048560034.532831932046.93068560234.833032232347.23088660435.133332432547.53108760635.433632732847.83128760835.733833033148.23148861035.934133233348.53168961236.234433533648.83189061436.534633833949.13209061636.834934034149.43229161837.135234334449.73249262037.435534634650.13269362237.635734934950.43289462437.936035135250.7PAGE\*MERGEFORMAT#3309462638.2363354355513329562838.536635735751.33349663038.736936036051.73369763239372363363523389863439.337536636652.33409963639.637736936952.634210063839.838037137152.934410164040.138337437453.334610164240.438637737753.634810264440.738938038053.935059.610364640.939238338354.235260.310464841.239538638654.63546110565041.539838938954.9HLDHRCHRBHVHB1HB2HSDHLDHRCHRBHVHB1HB2HSD35661.710665241・740139239255.235862.41076544240439539555.636063.110865642.340739839855.836263.810965842.641140140156.236464.511066042.841440440456.536665.111166243.141740740756.9PAGE\*MERGEFORMAT#36865.811266443.442041041057.237066.411466643.642341341357.53726711566843.942641741757.937467.711667044.142942042058.237668.311767244.443342342358.537868.911867444.743642642658.938069.511967644.943942942959.238270.112067845.244243243259.538470.612168045.544643543559.938671.212368245.744943943960.238871.81246844645244244260.539072.312568646.245644544560.939272.912668846.545944844861.239473.412769046.846345145161.6396741296924746645545561.939874.513069447.346945845862.24007513114269647.547346146162.640275.513314469847.847646546562.9404761341457004848046846863.340676.513514770248.348347147163.6PAGE\*MERGEFORMAT#4087713614970448.64874744746441077.513815070648.849147847864.34127813915270849.149448148164.641478.414115371049.349848548565HLDHRCHRBHVHBlHB2HSDHLDHRCHRBHVHBlHB2HSD41678.914215571249.650148848865.341879.314315671449.850549149165.742079.814514015771650.15094954956642280.214614115971850.351349849866.442480.714814316072050.651650250266.742681.114914416272250.852050550567.142881・515114516372451.152450850867.443081.915214716572651.352851251267.843282.415414816672851.653251551568.243482.815515016873051.853551951968.543683.215715116973252.153952252268.943883.615815317173452.354352652669.24408416015417273652.654752952969.644284.416115617473852.855153353369.944484.816315717574053.155553653670.3PAGE\*MERGEFORMAT#44685.116415917674253.355954054070.744885.516616017874453.65635435437145085.916816217974653.856854754771.445286.316916418174854.157255155171.845486.617116518275054.357655455472.14568717316718475254.558055855872.545887.417416818575454.858456156172.946087.717617018726.47565558956556573.246288.117817218826.775855.359356956973.646488.51791731902776055.55975725727446688.818117519127.376255.760257657674.346889.218317719327.67645660658058074.747089.518517819427.976656.261058358375.147289.918618019628.276856.561558758775.547490.318818219728.577056.761959159175.8HLDHRCHRBHVHB1HB2HSDHLDHRCHRBHVHB1HB2HSD47690.619018419828.877256.962459459476.24789119218520029.177457.262859859876.648091.319418720229.477657.46336026027748291・719518920329.777857.663860560577.4PAGE\*MERGEFORMAT#48492.11971912053078057.964260960977.748692.419919220630.378258.164761361378.148892.820119420830.678458.365261761778.549093.120319620930.978658.665762062078.949293.520519821131.278858.866262462479.349493.920720021231.57905966662862879.749694.320920221431.779259.267163263280.149894.62112042153279459.567663563580.55009521320521732.279659.768163963980.950295.421520721932.579859.968664364381.250495.821720922032.880060.169164764781.650696.221921122233.180260.46976516518250896.622121322433.380460.670282.451019.89722321522533.680660.870782.851220.297.422521722733.98086171283.251420.697.922721922934.281061.271883.75162198.322922123034.481261・472384.151821.398.723122323234.781461.772884.552021.799.22332252343581661.973484.95222299.623522723535.381862.173985.3PAGE\*MERGEFORMAT#52422.423722923735.682062.374585.752622.823923123935.882262.575086.152823.124123424136.182462.775686.553023.524423624236.482662.97628753223.824623824436.782863.176887.453424.12482402463783063.377387.8HLDHRCHRBHVHB1HB2HSDHLDHRCHRBHVHBlHB2HSD53624.525024224837.383263.577988.253824.825224425037.683463.778588.654025.225524625237.983663.979189.154225.525724925438.183864.179789.554425.825925125638.484064.380389.954626.226125325838.784264.580990.454826.52642552593984464.781690.855026.826625826139.384664.982291.255227.126826226339.684865.182891.755427.527026226539.985065.383592.155627.827326526840.285265.484192.655828.127526727040.585465.68489356028.427826927240.885665.885493.5PAGE\*MERGEFORMAT#56228.828027227441.18586686193.956429.128227427641.486066.286794.456629.428527627841.786266.387494.856829.72872792804286466.588195.35703029028128242.386666.788895.757230.329228328542.686866.889596.257430.629428628742.98706790296.757630.929728828943.287267.290997.157831.229929129243.587467.391697.658031.530229329443.887667.592398.158231.830429629644.187867.693198.658432.130729829944.488067.89389958632.430930130144.78826894699.558832.73123033044588468.19535903331530630845.488668.296159233.331730831045.788868.496859433.63203113134689068.5976PAGE\*MERGEFORMAT#硬度換算公式：•肖氏硬度（HS）=勃式硬度（BHN）/10+12•肖式硬度（HS）=洛式硬度（HRC）+15•勃式硬度（BHN）=洛克式硬度（HV）•洛式硬度（HRC）二勃式硬度（BHN）/10-3硬度測定範圍：HS<100HB<500HRC<70HV<1300（80~88）HRA,（85~95）HRB,（20~70）HRC洛氏硬度中HRA、HRB、HRC等中的A、B、C为三种不同的标准，称为标尺A、标尺B、标尺C。洛氏硬度试验是现今所使用的几种普通压痕硬度试验之一，三种标尺的初始压力均为98.07N（合1Okgf）,最后根据压痕深度计算硬度值。标尺A使用的是球锥菱形压头，然后加压至588.4N（合60kgf）;标尺B使用的是直径为1.588mm（1/16英寸）的钢球作为压头，然后加压至980.7N（合100kgf）;而标尺C使用与标尺A相同的球锥菱形作为压头，但加压后的力是1471N（合150kgf）o因此标尺B适用相对较软的材料，而标尺C适用较硬的材料。实践 证明 住所证明下载场所使用证明下载诊断证明下载住所证明下载爱问住所证明下载爱问 ，金属材料的各种硬度值之间，硬度值与强度值之间具有近似的相应关系。因为硬度值是由起始塑性变形抗力和继续塑性变形抗力决定的，材料的强度越高，塑性变形抗力越高，硬度值也就越高。但各种材料的换算关系并不一致。本站《硬度对照表》一文对钢的不同硬度值的换算给出了表格，PAGE\*MERGEFORMAT#请查阅。硬度表示材磨性越好。1.布氏硬度以一定的载去载后，负2•洛氏硬度当HB>450刚石圆锥体料的硬度。HRA:是采HRB:是采铸铁等）。HRC:是采3维氏硬畏以120kg以以载荷值，FHK=139.料抵抗硬物体压入其表面的能力。它是金属材料的重要性能指标之一。一般硬度越高，耐常用的硬度指标有布氏硬度、洛氏硬度和维氏硬度。（HB）荷（一般3000kg）把一定大小（直径一般为10mm）的淬硬钢球压入材料表面，保持一段时间荷与其压痕面积之比值，即为布氏硬度值（HB）,单位为公斤力/mm2（N/mm2）o（HR）或者试样过小时，不能采用布氏硬度试验而改用洛氏硬度计虽。它是用一个顶角120。的金或直径为1.59、3.18mm的钢球，在一定载荷下压入被测材料表面，由压痕的深度求出材根据试验材料硬度的不同，分三种不同的标度来表示：用60kg载荷和钻石锥压入器求得的硬度，用于硬度极高的材料（如硬质合金等）。用100kg载荷和直径1.58mm淬硬的钢球，求得的硬度，用于硬度较低的材料（如退火钢、用150kg载荷和钻石锥压入器求得的硬度，用于硬度很高的材料（如淬火钢等）。-（HV），内的载荷和顶角为136。的金刚石方形锥压入器压入材料表面，用材料压痕凹坑的表面积除即为维氏硬度HV值（kgf/mm2）054-P/L2o式中：HK-努普硬度，Mpa;P-荷重，kg;L-凹坑对角线长度，mm0我国和欧洲各国采用维氏硬度，美国则采用努普硬度。兆帕是以前常用的硬度计算单位。它们之间的换算公式为下表。（补充一点，其它的你自己找吧。）』111111(MPa)是显微硬度的法定计虽单位，而kg/mm21kg/mm2=9・80665Mpa。常用磨料的显微硬度见