Shandong Anniu Group

40CrV Steel round bar is similar with 40Cr Steel round bar, just with the metal vanadium (V). 40CrV Steel round bar comprehensive performance is better than 40Cr Steel round bar. 40 is representative of the mass fraction of C (carbon) is approximately 0.4%, Cr is behalf of chromium and mass fraction is approximately 1%. 40CrV Steel round bar details: Standard: DIN 7527-6,EN 10204, EN 10228-3,EN 10250,N10083,SEW 550 Q/T:Quench+ Temper Annealing Diameter: 5mm-1200mm ,the forged round bar is from 80mm-1200mm: Length: 1000-12000mm Min qty: 1pcs Tolerance for forged round bar: OD: 0/+3.0mm Length: 0/+20.0mm Straightness: 3mm/1000mm Inspecting: SEP1921 CLASS C/C，D/D，E/E Steelmaking Process: electric furnace + LF refining furnace + argon protection casting + VD vacuum degassing furnace ingot (bottom gating) Delivery Condition: Hot forged +Normalized+ Rough turned 40CrV Steel round bar Chemical analysis -% by mass* Grade C Si Mn P S Cr Ni Cu V max max max max. max. max max max max 40CrV 0.37-0.44 0.17-0.37 0.50-0.80 0.035 0.035 0.80-1.10 0.030 0.030 0.10-0.20 40CrV Steel round bar Merchanical Propertites Grade Tensile Strength (Mpa) Yield Strength (Mpa) Elongation in 100-150 mm(%) percentage reduction of area Impact(Akv(J) impact strength Hardness 40CrV ≥885 ≥735 ≥10 ≥50 ≥71 ≥88 ≤269HB