硬度对照表

根据德国标准DIN50150,以下是常用范围的钢材抗拉强度与维氏硬度、布氏硬度、洛氏硬度的对照表。抗拉强度维氏硬度布氏硬度洛氏硬度RmHVHBHRCN/mm22508076-2708580.7-2859085.2-3059590.2-32010095-33510599.8-350110105-370115109-380120114-400125119-415130124-430135128-450140133-465145138-480150143-490155147-510160152-530165156-545170162-560175166-575180171-595185176-610190181-625195185-640200190-660205195-675210199-690215204-705220209-720225214-740230219-755235223-77024022820.378524523321.380025023822.282025524223.18352602472485026525224.886527025725.688027526126.490028026627.19159309509659951030106010951125111511901220125512901320135013851420145514851520155515951630166517001740177518101845188019201955199520302070210521452180285290295300310320330340350360370380390400410420430440450460470480490500510520530540550560570580590600610620630640650660670680690700720740760271276280285295304314323333342352361371380390399409418428437447-456-466-475-485-494-504-513-523-532-542-551-561-570-580-589-599-608-61827.828.529.229.83132.233.334.435.536.637.738.839.840.841.842.743.644.545.346.146.947.748.449.149.850.551.151.752.35353.654.154.755.255.756.356.857.357.858.358.859.259.760.16161.862.578080082084086088090092094063.36464.765.365.966.46767.568硬度试验是机械性能试验中最简单易行的一种试验方法。为了能用硬度试验代替某些机械性能试验，生产上需要一个比较准确的硬度和强度的换算关系。

实践证明，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。

下面是本站根据由实验得到的经验公式制作的快速计算器，有一定的实用价值，但在要求数据比较精确时，仍需要通过试验测得。