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SAP MM (Materials Management) Guide 2025 - Procurement, Inventory & Supply Chain


Learn how SAP MM streamlines procurement, inventory control & supply chain operations. Explore key features, transaction codes, and integration with SAP SD/PP modules.

πŸ“¦ What is SAP MM (Materials Management)?

SAP MM is a core module in SAP ERP that handles procurement, inventory, and material resource management. It is essential for ensuring that an organization has the right materials, at the right time, in the right quantity, and at the right price.

In education and research institutions, SAP MM is widely used to manage the purchase and stock of lab equipment, books, IT supplies, chemicals, and other resources needed for academic operations.


πŸŽ“ SAP MM in Education & Research Institutions

SAP MM helps universities, colleges, and research institutes:

  • Procure lab instruments, consumables, and IT hardware.
  • Manage inventory in different departments or campuses.
  • Track suppliers and streamline purchasing processes.
  • Ensure transparency and compliance in procurement.

πŸ”‘ Key Features of SAP MM

1. Procurement Process

  • Handles complete cycle: Purchase Requisition β†’ Purchase Order β†’ Goods Receipt β†’ Invoice.
  • Supports external and internal procurement.

2. Inventory Management

  • Tracks stock levels across multiple storage locations (labs, departments).
  • Allows for stock transfers, adjustments, and audits.

3. Material Master Data

  • Centralized repository for all materials with technical, purchasing, and accounting data.

4. Vendor Management

  • Stores and manages vendor data including performance evaluation.

5. Invoice Verification

  • Verifies vendor invoices against POs and goods receipts.

6. Automatic Reorder Point Planning

  • Sets reorder levels to avoid stockouts of critical materials.

7. Integration with Other SAP Modules

  • Works closely with SAP FI (Finance), WM (Warehouse), and SD (Sales & Distribution).

πŸ§ͺ Sample SAP MM Tasks in Education/Research Context

Task Description T-Code
Create Material Master Define new lab equipment or item in system. MM01
Create Purchase Requisition Request chemicals or books for a department. ME51N
Create Purchase Order Convert requisition to a PO. ME21N
Post Goods Receipt Acknowledge received items and update inventory. MIGO
Check Inventory View stock levels of a specific item. MMBE
Stock Transfer Move items from central warehouse to a lab. MB1B
Create Vendor Master Add a new supplier for books or IT hardware. XK01
Invoice Verification Match vendor invoice to PO and GR. MIRO

πŸ“š Example Use Case in a University

A professor submits a purchase requisition (ME51N) for lab chemicals. The purchasing team reviews and converts it into a purchase order (ME21N). When the chemicals arrive, the store department does a goods receipt (MIGO). The invoice from the vendor is verified and paid through MIRO. Inventory is updated automatically, and the chemicals are ready for use.


  • Understanding the Difference Between Material, Equipment, and Asset in SAP – Learn the key differences between Material, Equipment, and Asset in SAP. πŸ‘‰ Learn more
  • SAP Material Types Explained: ROH, HALB, FERT, NLAG & More for Effective Inventory Control πŸ‘‰ Learn more
  • β€œUnderstanding Units of Measure (UoM) in SAP: Types, Examples & Usage πŸ‘‰ Learn more