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2015年4月10日,2支规格为290系列42Cr Mo新试“超级”异型材在攀钢集团江油长城特殊钢有限公司特材厂挤压作业区检验合格,顺利下线,圆满完成新试任务。该异型材生产用坯单支直径达到了290mm,坯长800mm,坯重780kg,属历次生产异性材用坯规格最大。而生产的异型材产品横截面长度达到260mm,是公司生产当之无愧的“超级”异型材。为了确保生产任务圆满完成,挤压作业区在生产前做足了精心准备,专门制定了一套行之有效的生产
April 10, 2015, 2 specifications for the new series of 42Cr Mo 290 series “super ” profile in Panzhihua Iron and Steel Great Wall Special Steel Co., Ltd. special materials plant extrusion operation area inspection, smooth off the assembly line, successfully completed New test mission. The profile production of single-use diameter of the billet reached 290mm, 800mm long billet, billet weight 780kg, is the history of production of heterotrophic material with the largest specifications. The cross-section length of the profiled products produced is up to 260mm, which is well-deserved by the company “Super” profile. In order to ensure the successful completion of production tasks, extrusion work area in the production has done enough careful preparation, has developed a set of effective production