PROPRIETARY Z-Tuff PM 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: 2020-07
更新の総数: 1
更新履歴
この材料には 15 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 Z-Tuff PM 化学組成
基準
値
単位
CAS 番号
基準
C
値
0.7
単位
%
CAS 番号
7440-44-0
基準
Cr
値
7.5
単位
%
CAS 番号
7440-47-3
基準
Mo
値
2.0
単位
%
CAS 番号
7439-98-7
ZAPP AG, Product Data Sheets,
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PROPRIETARY Z-Tuff PM 物理的性質
温度
この材料には 15 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 Z-Tuff PM 熱処理
- Soft annealing
The material is heated uniformly to a temperature of 860-870°C and then maintained at this temperature for 2 hours. Then, the material is cooled to 540°C in a furnace at a cooling rate of maximum 15°C per hour. It is then further cooled in still air down to room temperature.
Stress relieving (soft)
Rough machined material is stress relieved by heating to 600-700°C. Once complete heat penetration has been reached (min. 2 hours), the material is allowed to cool in the furnace to approximately 500°C followed by cooling in air. Hardened material is stress relieved at 15-30°C for 2 hours below last tempering temperature followed by cooling in air.
Straightening
Straightening should be done in the temperature range of 200-430°C.
Hardening
Vacuum, salt, or protective atmosphere methods are generally used. Care must be taken to prevent decarburization. Hardening of Z-Tuff PM usually involves the use of two preheating steps according to the table on the right. Depending on furnace and charging, additional preheating steps can be implemented. In order to achieve a corresponding degree of dissolution of the alloying elements, as well as an appropriate hardening, minimum heat penetration times as given in the table are recommended. These holding times should be correspondingly adapted for thick or thin-walled material cross sections.
Quenching
Quenching can take place in hot bath at 540°C, oil or pressurized gas. Quenching in salt bath or oil leads to maximum hardness, whereas cooling in vacuum can lead to lower values of 1-2 HRc. By use of vacuum quenching a minimum pressure of 6 bar is recommended. The appropriate pressure needs to be adjusted for complex tool shapes in order to minimize risk of cracking and tool distortion. For attaining ideal toughness properties, it is recommended to apply the hot bath quenching method. For attaining maximum hardness after quenching the cooling rate between 1000°C and 700°C needs to be maximized in order to minimize distortion in larger section sizes.
Tempering
Tempering should be carried out immediately after the material has cooled down to below 40°C or when the tool can be held with 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.
PROPRIETARY Z-Tuff PM 機械的特性
温度
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- -相互参照
- 5成分
- 1機械的特性
- 7物理的特性
- 1熱処理
- -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
- 1総仕入先数