Steel Grade: Alloy Steel Standard: AISI, ASTM, BS, DIN, GB, JIS Dimensions: dia:10-600mm Place of Origin: Guangdong, China (Mainland) Brand Name: Songshun Model Number: O2/ 1.2842/ SKS31/9Mn2V Technique: forged or hot rolled Application: Die Steel Bar Alloy Or Not: Is Alloy Special Use: Mold Steel Type: Alloy Steel Bar Name: O2 1.2842 mould steel die alloy hot rolled steel round bar Shape: Round bars Technology: Forged/Clod Drawn Heat treatment: Annealing /Q+T Surface treatment: Black/Peeling/Polishing/Machined Test: SGS/UT100%/Elements testing Delivery condition: Hot rolled or forged/ Peeled or black surface/annealed or QT Certificate: ISO/Mill certificate Service: Sample free and 24 hours online Experience: Ten years manufacturer experience