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简介：FR3P2I2IS9G曹县X1）应用的普遍性与多面性不如奥氏体不锈钢，例如其使用温度必须控制在250摄氏度以下。2）其塑韧性较奥氏体不锈钢低，冷，热加工工艺和成型性能不如奥氏体不锈钢。3）存在中温脆性区，需要严格控制热处理和焊接的工艺制度，
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