PROPRIETARY CarTech CTS 204P Alloy 不锈钢
材料组别:
黑色金属 / 不锈钢
国家与地区/标准:
PROPRIETARY
数据更新
最新更新: 2019-07
更新总数: 1
更新历史
PROPRIETARY CarTech CTS 204P Alloy 化学成分
化学元素
数值
单位
CAS 编号
化学元素
C
数值
1.90
单位
%
CAS 编号
7440-44-0
化学元素
Cr
数值
20.00
单位
%
CAS 编号
7440-47-3
化学元素
Fe
数值
余量
单位
%
CAS 编号
7439-89-6
Carpenter Technology Corporation, Product Data Sheets,
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PROPRIETARY CarTech CTS 204P Alloy 物理性能
PROPRIETARY CarTech CTS 204P Alloy 热处理
- 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 机械性能
PROPRIETARY CarTech CTS 204P Alloy 的全球近似对照材料
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材料牌号
标准
国家与地区 / 生产商
近似类型
近似对照材料反映了不同材料间化学成分的相似性和力学性能的相似性——请务必根据具体应用场景的适用标准和条件具体核实材料的适用性。
根据您的应用场景优化材料选择 - 预约演示
- 2交叉引用
- 8化学成分
- 44机械性能
- 11物理性能
- 1热处理
- -金相组织
- -切削加工性能
- -应力-应变
- -成形性能
- -疲劳
- -断裂
- -爬行
- -焊接接头
- -涂层
- -尺寸
- -摩擦学
- -腐蚀
- -老化
- -耐候性
- -辐照
- 2供应商总数