PROPRIETARY CPM 20CV 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: 2019-09
更新总数: 2
更新历史
2019-08
PROPRIETARY CPM 20CV 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
Mn
数值
0.30
单位
%
CAS 编号
7439-96-5
Latrobe Specialty Steel, Product Data Sheets,
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PROPRIETARY CPM 20CV 物理性能
PROPRIETARY CPM 20CV 热处理
- Hardening:
Preheating: Heat to 760-788°C (1400-1450°F) and equalize.
Austenitizing (High Heat): Heat rapidly from the preheat to a temperature to within 1071-1177°C (1960-2150°F). A lower austenitizing temperature will maximize impact toughness. A higher austenitizing temperature will maximize wear resistance and corrosion resistance. Soak at the austenitizing temperature for 30 minutes.
Quenching: Pressurized gas or warm oil. For pressurized gas, the furnace should have a minimum quench pressure of 4 bars. A quench rate of approximately 222°C (400°F) per minute to below 538°C (1000°F) is critical to obtain the desired properties. For oil, quench until black, about 482°C (900°F), then cool in still air to 66-51°C (150-125°F).
Cryogenic treatment: For austenitizing at 1149°C (2100°F) or higher, a cryogenic treatment is recommended after quenching to 66-51°C (150 to 125°F) to reduce retained austenite. Cool to -73°C (-100°F), remove from the cooling medium, and allow part to warm to ambient temperature in still air.
Tempering: Temper immediately after quenching, or after quenching and cryogenic treatment. Typical temperature range is 204-427°C (400-800°F). Hold at temperature for 1 hour 25.4 mm of thickness, 2 hours minimum, then air cool to ambient temperature. The typical service hardness is 56-59 HRC, although higher hardness may be used for increased wear resistance. Tempering between 427-583°C (800-1100°F) will decrease corrosion resistance and toughness.
Annealing: Annealing must be performed after hot working and before re-hardening. Heat at a rate not exceeding 222°C per hour (400°F per hour) to 1016-1038°C (1860-1900°F), and hold at temperature for 1 hour per 25.4 mm of maximum thickness, 2 hours minimum. Then cool slowly with the furnace at a rate not exceeding 17°C per hour (30°F per hour) to 538°C (1000°F). Continue cooling to ambient temperature in the furnace or in air. The resultant hardness should be approximately 30 HRC or lower.
PROPRIETARY CPM 20CV 机械性能
PROPRIETARY CPM 20CV 的全球近似对照材料
显示 1 条结果，共计 2 条。
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
- 7化学成分
- 77机械性能
- 10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