Specification 1.Chromium molybdenum alloy steel. 2.Slightly higher carbon content than 4130. 3.Greater strength and heat treatment. 4.Good processability and easy polishing. 5.Good toughness and small quenching deformation. Shape:steel plate/flat bar/round bar Technology:Hot work / Forged/cold drawn Heat treatment:Annealed / Q+T Surface condition:Black/Peeling/Polishing/Machined Delivery condition:Hot rolled or forged, Peeled or black surface Test:UT 100% / SGS Certification:ISO/mill certificate
