黑色金属硬度及强度换算值.docx

黑色金属硬度及强度换算值(GB / T1172 - 1999 )〖中国钢铁平台〗附表3黑色金属硬度及强度换算值硬 度洛氏表面洛氏维氏布氏(F/D2=30)RCHRAHR15NHR30NHR45NHVHBSHBW0.060.268.840.719.22262250.560.469 . O41.219.8228227.O60.769.341.720.42302291.561 . O69.542.221 . O233232.O61.269.842.621.52352342.561.570 . O43.122.1238237.O61.770.343.622.72412403.562 . O70.644 . O23.3244242.O62.270.844.523.92472454.562.571.145.024.5250248.O62.871.445.525.12532515.563 . O71.645.925.72562546.063.371.946.426.32592576.563.572.246.926.9262260.O63.872.447.327.52662637.564 . O72.747.828.1269266.O64.373.048.328.72732698.564.673.348.729.32762739.064.873.549.229.92802769.565.173.849.730.5284280.O65.374.150.231.12882830.565.674.450.631.72922871.065.874.751.132.32962911.566.174.951.632.93002942.066.475.252 . O33.53042982.566.675.552.534.1308302.O66.975.853 . O34.73133063.567.176.153.435.3317310.O67.476.453.935.93213144.567.776.754.436.5326318(适用于含碳量由低到高的钢种)抗拉强度6b/ MPa碳钢铬钢 铬帆钢 铬镍钢 铬钼钢铬镍钼钢铬锰 超高硅钢 强度钢不锈钢7747847938038138238338438548648758868979089199309429549659779891002101410271039105210651078109211057427517607697797887988088188288388488598708808919029149259379489609729849961009102210341048106173674475376177077978879780781682683784785886988089290391592894095396698099310071022103610511067782787792797803809815822829836843851859867876885894904914924935946957969981994100710201034104874775376076777478178979780581382283184085086087088089190291392493694896197498710011015102910438508598698798909019129239359479599729859991012102710411056107178178879480180981682483284084885686587488389390291292293394395496597798910011013102610391052106674074975876777778679680681682683784785886887989090191392493694795997198399610081021103410471060硬 度洛 氏表面洛氏维氏布氏(F / D2=30)HRCHRAHR15NHR30NHR45NHVHBSHBW35.035.536.036.537. O37.538. O38.539.039.540.067.968.268.468.769.069.269.569.770. O70.370.577.077.277.577.878.178.478.779.079.379.679.954. 855.355.856.256.757.257.658.158.659. O59.537. O37.638.238.839.440. O40.641.241.842.443. O33133534034535035536036537137638132332733233634134535035536036537037037538138639239740340941542242840.570.880.260. O43.638737543541. O71.180.560.444.239338044l41.571.380.860.944.839838544842. O71.681.161.345.440439l45542.571.881.461.845.941039646343.072. 181.762.346.541640l47043.572.482.062.747.142240747844. O72.682.363.247.742841348644.572.982.663.648.343541849445. O73.282.964.148.944l42450245.573.483.264.649.544843051046. O73.783.565. O50.145443651846.573.983.765.550.746l44247.074.284.065.951.246844947.574.584.366.451.847548.074.784.666.852.448248.575. O84.967.353.048949. O75.385.267.753.649749.575.585.568.254.250450.075.885.768.654.751250.576.186.069.155.352051. O76.386.369.555.9527抗拉强度6b/MPa碳钢铬钢铬帆钢铬镍钢铬钼钢铬镍钼钢铬锰硅钢超高 强度钢不锈钢11191074108210631058108710791170107411331088109810781074110310941195108711471102111410931090111911081219110111621116113111091106113611231243111611771131114811251122115311391267113011921146116511421139117111551290114512071161118311591157118911711313116112221176120111771174120711871336117612381192121911951192122612041359119312541208123812141211124512221381120912711225125712331230126512401404122612881242127612521249128512581427124413051260129612731269130612771450126213221278131712931289132712961473。