... 6m as customized with UT Article: SKD61, SKD11, Cr12Mo1V1, Tool steel flat bar Grade:SKD61, SKD11, Cr12Mo1V1 etc. as ... customizedSize:20-800mmLength:1-6m or as customizedQuality assurance:Ultrasonic Test Remark:electric furnace+LF+VD ... , electric power, automobile, coal feeder, aviation, space flight, tool and new steel varieties required by national defense construction, defense ...