Ad
滲碳 規格表
Carburizing KS Specifications — 3個尺寸
KS D 3867
KSCarburizing
3 sizes| Material | Condition | Pre Hardness | Post Hardness | Case Depth | Application |
|---|---|---|---|---|---|
| SCM420 | 930°C 滲碳 → 830°C → 150°C | HB 150~180 | HRC 58~62 | 0.5~1.5mm | 齒輪··軸 |
| SCM415 | 920°C 滲碳 → 820°C → 150°C | HB 140~170 | HRC 58~62 | 0.4~1.2mm | 小型 齒輪·銷 |
| SNCM420 | 930°C 滲碳 → 830°C → 150°C | HB 170~200 | HRC 58~63 | 0.8~2.0mm | 大型 齒輪· 軸 |
滲碳(Carburizing)將低碳鋼(SCM415/SCM420/SNCM420)表面滲入碳形成高碳層(0.8~1.0% C), 隨後淬火只硬化表面。心部保持原低碳鋼的韌性, 表面硬度HRC 58~62、硬化深度0.5~1.5mm, 適用於齒輪齒面·花鍵·凸輪等同時需要耐磨與耐衝擊的零件。氣體滲碳(930°C × 數~數十小時)為主流, 真空滲碳在減少變形和品質穩定性方面有優勢。