ASTM A 522 Type I 结构钢
材料组别:
黑色金属 / 结构钢
国家与地区/标准:
美国 / ASTM
数据更新
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ASTM A 522 Type I 化学成分
化学元素
数值
单位
CAS 编号
A522/A522M: 2026 / 低温锻造或轧制的8和9％镍合金法兰，配件，阀门和零件钢
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ASTM A 522 Type I 物理性能
ASTM A 522 Type I 热处理
- Quenching and tempering: Quenching in water: 802 ± 14°C (1475 ± 25°F), hold at this temperature for a minimum time of 2.5 min/mm of thickness but in no case less than 30 min; quench by immersion in circulating water. Reheat until the forging attains a uniform temperature within the range from 566 - 607°C (1050 - 1125°F); hold at this temperature for a minimum time of 2.5 min/mm of thickness but in no case less than 30 min; cool in air or water quench, at a rate not less than 167°C/h (300°F/h).
Double Normalized and Tempered: Heat to a uniform temperature of 899°C (1650°F); hold at this temperature for a minimum time of 2.5 min/mm of thickness but in no case less than 30 min; cool in air. Reheat until the forging attains a uniform temperature of 788°C (1450°F); hold at this temperature for a minimum time of 2.5 min/mm of thickness but in no case less than 30 min; cool in air. Reheat to a uniform temperature within the range from 566 - 607°C (1050 -1125°F); hold at this temperature for a minimum time of 2.5 min/mm of thickness but in no case less than 30 min; cool in air or water quench, at a rate not less than 167°C/h (300°F/h).
When stress relieving is to be performed after fabrication, the recommended stress-relieving treatment is as follows: gradually and uniformly heat the steel to a temperature between 552 - 585°C (1025 - 1085°F); hold for a minimum of 2 h for thicknesses up to 25 mm. For thicknesses over 25 mm, a minimum additional holding time in the ratio of 2.5 min/mm of thickness in excess of 25 mm shall be added. Cool at a minimum rate of 167°C/h (300°F/h) to a temperature not exceeding 316°C (600°F).
ASTM A 522 Type I 机械性能
ASTM A 522 Type I 国际等效材料
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根据您的应用场景优化材料选择 - 预约演示
- 163交叉引用
- 6化学成分
- 8机械性能
- 4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
- 125供应商总数