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1、布氏洛氏硬度对照表布氏硬度洛氏硬度抗拉强度布氏硬度洛氏硬度抗拉强度硬质合金球3000kg标尺A60kg标尺B100kg标尺C150kg(约磅/英寸2)硬质合金球3000kg标尺A60kg标尺B100kg标尺C150kg(约磅/英寸2)-85.6-68.0-33168.1-35.5166,000-85.3-67.5-32167.5-34.3160,000-85.0-67.0-31166.9-33.1155,00076784.7-66.4-30266.3-32.1150,00075784.4-65.9-29365.7-30.9145,00074
2、584.1-65.3-28565.3-29.9141,00073383.8-64.7-27764.6-28.8137,00072283.4-64.0-26964.1-27.6133,000712----26263.6-26.6129,00071083.0-63.3-25563.0-25.4126,00069882.6-62.5-24862.5-24.2122,00068482.2-61.8-24161.8100.022.8118,00068282.2-61.7-23561.499.021.7115,00067081.8-61.0-22960
3、.898.220.5111,00065681.3-60.1-223-97.320.0-65381.2-60.0-217-96.418.0105,00064781.1-59.7-212-95.517.0102,00063880.8-59.2329,000207-94.616.0100,00063080.6-58.8324,000201-93.815.098,00062780.5-58.7323,000197-92.8-95,00060179.8-57.3309,000192-91.9-93,00057879.1-56.0297,000187-
4、90.7-90,00055578.4-54.7285,000183-90.0-89,00053477.8-53.5274,000179-89.0-87,00051476.9-52.1263,000174-87.8-85,00049576.3-51.0253,000170-86.8-83,00047775.6-49.6243,000167-86.0-81,00046174.9-48.5235,000163-85.0-79,00044474.2-47.1225,000156-82.9-76,00042973.4-45.7217,000149-8
5、0.8-73,00041572.8-44.5210,000143-78.7-71,00040172.0-43.1202,000137-76.4-67,00038871.4-41.8195,000131-74.0-65,00037570.6-40.4188,000126-72.0-63,00036370.0-39.1182,000121-69.8-60,00035269.3-37.9176,000116-67.6-58,00034168.7-36.6170,000111-65.7-56,000钢铁硬度与强度近似换算KLQD=抗拉强度σbMPa
6、HRCHRAHR15NHR30NHR45NHVHB30D2d10,2d5,4d2.5mm碳钢铬钢铬钒钢铬镍钢铬钼钢铬镍钼钢铬锰硅钢超高强度钢不锈钢不分钢种洛氏硬度洛氏硬度表面洛氏硬度表面洛氏硬度表面洛氏硬度维氏硬度布氏硬度布氏硬度KLQDKLQDKLQDKLQDKLQDKLQDKLQDKLQDKLQDKLQDHRCHRAHR15NHR30NHR45NHVHB30D2d10、2d5、4d2.5mm碳钢铬钢铬钒钢铬镍钢铬钼钢铬镍钼钢铬锰硅钢超高强度钢不锈钢不分钢种洛氏硬度洛氏硬度表面洛氏硬度表面洛氏硬度表面洛氏硬度维氏硬度布氏硬度布氏硬度抗拉强
7、度σbMPa抗拉强度σbMPa抗拉强度σbMPa抗拉强度σbMPa抗拉强度σbMPa抗拉强度σbMPa抗拉强度σbMPa抗拉强度σbMPa抗拉强度σbMPa抗拉强度σbMPa19.568.540.318.62232224.057807487437927557897457592068.840.719.22262254.0379075775179776179675476720.56941.219.82292274.027997667598027688037647742169.341.720.423122748097757678077758107
8、7378221.569.542.2212342323.9781978577681378281778279144.572.982.663.648.34294182.99146614
