| 牌號 | 16MnCr5 |
|---|---|
| 德國W-Nr. | 1.7131 |
| 對應標準 | DIN EN 10084-2008
表面硬化鋼—技術交貨條件 Case Hardening Steels – Technical Delivery Conditions |
| 歸類 | 合金鋼 |
| 標簽 | 優質合金結構鋼 齒輪鋼 |
| 說明 | 用于制作風電、機械等行業的齒輪零部件。 |
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試樣棒和鋼材的熱處理條件
Steel grade End quench test Austenitizing temperature
°C
Carburizing temperature
°C
Core-hardening temperature
°C
Case-hardening temperature
°C
Tempering
°C
Name Number 16MnCr5 1.7131 870 880~980 860~900 780~820 150~200 ① Time for austenitizing as a guide: 30 to 35 minutes.
② The carburizing temperature will depend on the chemical composition of the steel, the mass of the product, and the carburizing medium. If the steels are direct hardened, in general, a temperature of 950 °C is not exceeded. For special procedures, for example under vacuum, higher temperatures (for example 1020 °C to 1050 °C) are not unusual.
③ When applying the single quench method, the steel is to be quenched from the carburizing temperature or a lower temperature. The lower hardening temperatures are in each case to be preferred, in particular when there is risk of distortion.④ The kind of quenching agent depends on, for example, the shape of the products, the cooling conditions and the amount of furnace filling.
⑤ Time for tempering as a guide: 1 h minimum.
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有(一般)淬火要求鋼種的硬度范圍表
鋼種 范圍 試樣如下距離(mm)到淬透末端的硬度HRC 牌號 代號 1.5 3 5 7 9 11 13 15 20 25 30 35 40 16MnCr5 16MnCr5+H 最大 47 46 44 41 39 37 35 33 31 30 29 28 27 最小 39 36 31 28 24 21 - - - - - - -
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