ABS AB/3 铸钢
材料组别:
黑色金属 / 铸钢
国家与地区/标准:
美国 / ABS
参考价格:
数据更新
最新更新: 2021-10
更新总数: 1
更新历史
ABS AB/3 化学成分
化学元素
数值
单位
CAS 编号
Rules for Materials and Welding, Part 2; Chapter 3 Section 7; Materials for Machinery, Boilers, Pressure Vessels, and Piping; Steel Machinery Forgings, American Bureau of Shipping, 2021
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ABS AB/3 物理性能
ABS AB/3 热处理
- 铸件应进行完全退火、正火或正火加回火处理，在适当比例的炉中进行，使整个铸件在退火或正火循环中达到高于相变温度范围的均匀温度。炉子应得到维护并具有充分的温度控制和记录手段。铸件应在适当温度下保温浸泡，时间至少相当于最厚构件厚度每 25.5mm 保温 1 小时。
在整个炉料温度降至 455°C (850°F) 或以下之前，不得从炉中取出任何退火铸件。应将足够数量的热电偶连接到炉料上以测量和记录其温度是否充分均匀，除非能够定期验证炉子的温度均匀性。
回火应在不低于 550°C (1022°F) 的温度下进行。 - Forgings are to be annealed, normalized or normalized and tempered.
Cooling prior to heat treatment: After forging and before reheating for heat treatment, the forgings are allowed to cool in a manner to prevent injury and to accomplish transformation.
Annealing: The forgings are to be reheated to and held at the proper austenitizing temperature for a sufficient time to effect the desired transformation and then be allowed to cool slowly and evenly in the furnace until the temperature has fallen to about 455°C (850°F) or lower.
Normalizing: The forgings are to be reheated to and held at the proper temperature above the transformation range for a sufficient time to effect the desired transformation and then withdrawn from the furnace and allowed to cool in air. Water sprays and air blasts may be specially approved for use to achieve more rapid cooling. The faster cooling rates are to be agreed to by the purchaser.
Tempering: The forgings are to be reheated to and held at the proper temperature, which will be below the transformation range, and are then to be cooled under suitable conditions to 315°C (600°F) or lower. The tempering temperature is not to be less than 550°C (1022°F).
Retreatment: The manufacturer may re-heat treat the forging, but not more than three additional times.
ABS AB/3 机械性能
ABS AB/3 国际等效材料
显示 15 / 95 条结果。
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近似类型
等效类别反映化学成分和机械性能的比较 — 请始终根据适用于您应用的相关规范验证适用性。
根据您的应用场景优化材料选择 - 预约演示
- 95交叉引用
- 10化学成分
- 37机械性能
- 3物理性能
- 2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
- 84供应商总数