... exact length as you asked), 3. Surface condition: Black surface/rough, turned/peeled/grinding. 4. Heat treatment: Normalised, annealized, quenched, tempered ... + VD + Forged + Heat Treatment (optional)40Cr514041Cr4SCr44041Cr44. Delivery condition: Hot forged +Rough machined + Turned (optional)42CrMo414042CrMo4SCM44042CrMo440CrMnMo414242CrMo4SCM44042CrMo45. Forged ratio: no less than 3 ...