A material master contains information on all materials purchased, manufactured, or sold by a corporation. It houses core data that is accessible at all levels. Path to Create Material Master Logistics ⇒ Materials Management ⇒ Material Master ⇒ Material ⇒ Create Material T Code: MM01 STEP1 : On the SAP Menu screen, click the Create button by following the above path. STEP 2 : Fill in all the required details such as material number, material type, industry sector, etc. STEP