PROPRIETARY CPM Rex M4 工具鋼（ＩＳＯ仕様）
材料グループ:
鉄合金 / 工具鋼（ＩＳＯ仕様）
国 / 規格:
PROPRIETARY
データ更新
最新情報: 2014-04
更新の総数: 1
更新履歴
この材料には 33 件の特性データがありますが、現在表示されているのは一部のみです。
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PROPRIETARY CPM Rex M4 化学組成
基準
値
単位
CAS 番号
基準
C
値
≤ 1.4000
単位
%
CAS 番号
7440-44-0
基準
Cr
値
≤ 4.2000
単位
%
CAS 番号
7440-47-3
基準
Mo
値
≤ 5.2000
単位
%
CAS 番号
7439-98-7
ZAPP AG, Product Data Sheet,
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PROPRIETARY CPM Rex M4 物理的性質
温度
この材料には 33 件の特性データがありますが、現在表示されているのは一部のみです。
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PROPRIETARY CPM Rex M4 熱処理
- SOFT ANNEALING it is heated uniformly to a temperature of 860 - 870 °C; maintain at this temperature for 2 hours and allow to cool to 550 °C in the furnace at a cooling rate of 10 °C per hour. This is followed by cooling in still air. The strength values achieved by soft annealing are HB 230 – 260. STRESS RELIEVING Stress relieving follows rough machining by heating to a temperature of 600 – 700 °C. Once complete heat penetration has been reached, the material is allowed to cool in the furnace to approx. 500 °C followed by cooling in air. HARDENING usually involves the use of 2 preheating stages (450 – 500 °C/ 850 – 900 °C). The material is then rapidly heated from the preheating temperature to the austenitizing temperature of 1090 – 1180 °C. The upper range of the austenitizing temperatures (1140 – 1180 °C) should be used for metalcutting tools. The lower range of the austenitizing temperatures (1070 – 1120 °C) should be selected for cold working tools, for which a greater degree of toughness is required. Quenching can take place in oil, air or pressurized gas. Hot bath quenching at approx. 550°C is recommended. This provides flaw-free surfaces and avoids the risk of abnormal deformation. Material diameters up to max. 20 mm can be quenched with compressed air or compressed gas (in vacuum furnace, depending on type of furnace). This quenching method is too slow for larger cross-sections and results in the hardness values being too low. Quenching in oil ensures the correct hardness level even for large cross-sections, however, there is a risk of excessive distortion. Quenching large-volume tools in the hot bath generally results in slightly lower hardness than oil quenching. Irrespective of which quenching method is used, in all cases, the tools should be quenched to a temperature below 40 °C. The material must be tempered immediately after hardening. Tempering should be carried out immediately after the material has cooled down to below 40 °C or when the tool can be held with two hands. Triple tempering with a holding time of 2 hours in each stage at the tempering temperature is necessary. It is important to ensure that the tools are cooled down to room temperature between the individual tempering stages. Temperatures below 560 °C should be avoided in order to ensure satisfactory tempering results.
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- 1相互参照
- 19成分
- -機械的特性
- 7物理的特性
- 1熱処理
- 1金属組織
- -被削性
- -応力-ひずみ
- -成形性
- -疲労
- -破壊
- -クリープ
- -接合
- -コーティング
- -寸法
- -トライボロジ
- -腐食
- -時効
- -耐候性
- -照射
- 4総仕入先数