H13 bar steel EAF/ESR, Hot Forged, Round Bar. Diameter Range: 50mm~440mm Hardness: 235 You are buying H13 /1.234/ SKD61/Cr12Mo1V1 bar steel. Spherodizing annealing. A: H13 bar steel specification ProductMaterialSpec.(mm)Length(mm)TechnologyHot Work SteelsH13Φ12-603000-5800Hot Rolled,AnnealedHot Work SteelsΦ65-3503000-5800Forging ,Annealed ,PolishedHot Work SteelsΦ360-5003000-5800Polished,Annealed ...