We are a factory provide all kinds of forged steel bar, Such as: DIN C45, S355J2G3, 42CrMo4, 25CrMo4, 34CrNiMo6, 30CrNiMo8, 40CrNi2Mo, etc. AISI/SAE 1045, 1060, 4140, 4130, 3310, 4340, 5140, etc. JIS S45C, SCM420, SCM440, etc. Dia. 100-1200mm, Length. 3.0-5.8m, (can do exact length as you asked), surface condition: Black surface/rought turned/peeled/grinding. Heat treatment: Normalised, annealized, quenched, tempered. Test: Ultrasonic test as per SEP 1921-84 group III c. C. Grain size: Accrd ASTM E112, 5-8. Non-metallic inclusions: Accrd ASTM E45 method Provide mill test certificate. For more information, please contact with us!