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硬度換算表

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使用此表比較碳鋼、鑄鋼和低合金鋼在熱處理和熱成型條件下的硬度。

根據 ISO 18265。

抗拉強度維氏硬度 HV布氏硬度*洛氏硬度
牛/毫米2F≥98NHBHRBHRC人力資源管理局
2558076–––
2708580,741––
2859085,548––
3059590,252––
3201009556,2––
33510599,8–––
35011010562,3––
370115109–––
38512011466,7––
400125119–––
41513012471,2––
430135128–––
45014013375––
465145138–––
48015014378,7––
495155147–––
51016015281,7––
530165156–––
54517016285––
560175166–––
57518017187,1––
595185176–––
61019018189,5––
625195185–––
64020019091,5––
66020519592,5––
67521019993,5––
69021520494––
70522020995––
72022521496––
74023021996,7––
755235223–––
77024022898,120,360,7
785245233–21,361,2
80025023899,522,261,6
820255242-10123,162
835260247–2462,4
850265252-10224,862,7
865270257–25,663,1
880275261-10426,463,5
900280266–27,163,8
915285271-10527,864,2
930290276–28,564,5
950295280–29,264,8
965300285–29,865,2
995310295–3165,8
1030320304–32,266,4
1060330314–33,367
1095340323–34,367,6
1125350333–35,568,1
1155360342–36,668,7
1190370352–37,769,2
1220380361–38,869,8
1255390371–39,870,3
1290400380–40,870,8
1320410390–41,871,4
1350420399–42,771,8
1385430409–43,672,3
1420440418–44,572,8
1455450428–45,373,3
1485460437–46,173,6
1520470447–46,974,1
1555480-465–47,774,5
1595490-466–48,474,9
1630500-475–49,175,3
1665510-485–49,875,7
1700520-494–50,576,1
1740530-504–51,176,4
1775540-513–51,776,7
1810550-523–52,377
1845560-532–5377,4
1880570-542–53,677,8
1920580-551–54,178
1955590-561–54,778,4
1995600-570–55,278,6
2030610-580–55,778,9
2070620-589–56,379,2
2105630-599–56,879,5
2145640-608–57,379,8
2180650-618–57,880
–660––58,380,3
–670––58,880,6
–680––59,280,8
–690––59,781,1
–700––60,181,3
–720––6181,8
–740––61,882,2
–760––62,582,6
–780––63,383
–800––6483,4
–820––64,783,8
–840––65,384,1
–860––65,984,4
–880––66,484,7
–900––6785
–920––67,585,3
–940––6885,6
括號中的數字表示超出標準硬度測試定義範圍的硬度值，但在實務上經常用作近似值。括號中的布氏硬度值僅在使用硬金屬球進行測試時才有效。

* 計算公式：HB = 0,95 · HV

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