40crmnnimo8 6 4 steel forging parts

{"cid":"91116409","title":"ASTM Heat Treatment SAE4340 Alloy Steel Round Bar Annealed +Quenched Forged Round Bar","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/02\/df\/06a4ac291e732db15cf533d67138-200x200-1.jpg","attrs":{"Price":"1.25USD\/KG","Brand Name":"DONGBEI SPECIAL STEEL","Model Number":"4340","Minimum Order Quantity":"100KGS","Delivery Time":"7 Working Days","Certification":"SGS ISO MTC","Place of Origin":"China","Payment Terms":"L\/C, T\/T","Supply Ability":"80000KGS","Packaging Details":"Wooden Pallet BOX","Steel grade":"Alloy Steel 4340","Alloy or not":"Is Alloy","Technique":"Hot Rolled,Forged,Cold Drawn","Application":"Die Steel Bar,chemical,shipbuilding","Type":"Alloy Steel Bar","Standard":"ASTM,DIN,AISI","Shape":"Round","Length":"1--12m","Surface":"black or bright","Diameter":"12mm-650mm","Heat treatment":"Normalized +Annealed +Quenched + Tempered"}}