PROPRIETARY CarTech CTS 204P Alloy ステンレス鋼
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鉄合金 / ステンレス鋼
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PROPRIETARY
データ更新
最新情報: 2019-07
更新の総数: 1
更新履歴
この材料には 68 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 CarTech CTS 204P Alloy 化学組成
基準
値
単位
CAS 番号
基準
C
値
1.90
単位
%
CAS 番号
7440-44-0
基準
Cr
値
20.00
単位
%
CAS 番号
7440-47-3
基準
Fe
値
Balance
単位
%
CAS 番号
7439-89-6
Carpenter Technology Corporation, Product Data Sheets,
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PROPRIETARY CarTech CTS 204P Alloy 物理的性質
温度
この材料には 68 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 CarTech CTS 204P Alloy 熱処理
- Alloy is subject to decarburization during thermal processing. Taking of proper precautions should insure that there is no decarburization during heat treatment. Salt bath, controlled atmosphere, or vacuum furnaces are acceptable for heat treating this alloy.
Annealing: Heat slowly at a rate not exceeding 222°C/h (400°F/h) to 1016-1038°C (1860-1900°F) and hold at temperature for the longer of 4h minimum or 1 h/in. of maximum thickness. Following soaking, cool slowly in the furnace at a rate not to exceed 17°C/h (30°F/h) to 538°C (1000°F), after which the part may be air-cooled to room temperature.
Hardening: Preheat at 760-788°C (1400-1450°F) and equalize. After preheating, rapidly heat at 1066-1149°C (1950-2100°F) when using salt or atmosphere controlled furnaces and 1121-1177°C (2050-2150°F) when using vacuum furnaces. Austenitizing at the low end of this temperature range will maximize toughness at the expense of wear resistance, while the reverse will occur when austenitizing at the high end of this range. Soak at the austenitizing temperature for 30 minutes and then quench.
Quenching: Quenching can entail the use of pressurized gas in a vacuum furnace, warm oil or neutral salt. When treating in a vacuum furnace, the inert pressurized gas should be a minimum of 4 bars. A quench rate of approximately 222°C/min (400°F/min) to a temperature < 538°C (1000°F) is necessary to insure the attainment of optimum properties.
When quenching using warm oil, quench until the part is black, about 482°C (900°F), then continue cooling in still air to room temperature.
When quenching using neutral salt, quench the tool into a salt bath maintained at 538°C (1000°F), equalize the part, then continue cooling in still air to room temperature.
When quenching using inert pressurized gas in a vacuum furnace, the time in the gas-quenching medium will depend on the size of the relevant work piece and furnace parameters.
Large complex parts should be preheated using a multi-step process that would entail equalizing jus below the Ac1, heating slowly [14°C/h (25°F/h)] through the Ac1 - Ac3 range, equalizing just above the Ac3 and then rapidly heating to the austenitizing temperature.
Cold treatment: When austenitizing at temperatures > 1149°C (2100°F), a cryogenic or refrigeration treatment is suggested after quenching to reduce the presence of retained austenite. After quenching from the austenitizing temperature to 51-66°C (125-150°F) cool the part to -73°C (-100°F) and hold at this temperature for 1 hour. Remove the part from the cooling medium and allow it to warm to room temperature in still air.
Stress relieving: Heat slowly at 649-704°C (1200-1300°F), hold for a minimum of 2 hours at temperature, cool slowly and uniformly to about 427°C (800°F), then cool in still air.
Tempering: Tools should be tempered immediately after completion of quenching or after completion of quenching and the cryogenic treatment. The typical tempering range for this alloy is 204-399°C (400-750°F). Tools should be soaked at temperature for the greater of 1h per 25.4 mm of thickness or 2 hours minimum, and then cooled to room temperature in still air. Parts should never be tempered between 427-583°C (800-1100°F) since both the corrosion resistance and toughness will be severely degraded to excessive carbide precipitation.
PROPRIETARY CarTech CTS 204P Alloy 機械的特性
温度
PROPRIETARY CarTech CTS 204P Alloy国際相当材
2件中1を表示しています。
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- 2相互参照
- 8成分
- 44機械的特性
- 11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
- 2総仕入先数