... round bars, Diameter:140 mm Length:4m and up or fix length Ultrasonic Test:Sep1921 Class D/d Commodity: Forged steel round ... /d,E/e;Other Steel Grade:Carbon Steel:S20C,S26C,S35C,S45C,S50C,S55C,S60C;Alloy Steel:SCM440,SCM420,SCM435,SCM415, ... SNCM220,SNCM439,SACM 645;Tool Steel:SKD61,1.2714Manufacturer:Jiangsu Zhuhong Forging Co.,Ltd. Forged steel round bars ...