MM flow in SAP with t-codes and tables

MM flow with transaction codes and tables in SAP, material management transaction codes and tables

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1. Purchase Requisition (ME51N)

Material requirement are identified either by the user, department or via material planning and control. For example a MRP Run in production planning or material falling short of reorder-point can automatically generate Purchase Requisition. At the same time PR can be created manually in the system.

2. Source Determination - RFQ (ME41)

Identify the possible source of supply based on the past order and existing long term purchase contract. Then create Request for Quotation, which can be then sent electronically to vendors.

3. Vendor Selection and Comparison of Quotation (ME49)

After receiving quotation system is capable to simulate pricing scenarios, allowing user to compare number of quotations and sent rejection letter automatically.

4. Purchase Order (ME21N)

Data from Quotation or Purchase Requisition can be adopted to create Purchase Orders. Purchase Order is then sent to Vendor to supply the goods.

5. Purchase Order Follow ups ME91, ME91F, ME92F

Reminder can be sent to vendors at predefined intervals.

6. Goods Receipts (MB01)

Goods were received.

7. Invoice Verification (MIRO)

Along with the goods vendor also submits Invoice, system verifies then invoice against the quantity received and PO data. The account payable clerk is notified.

Important Transactions in MM

MM01 Material Creation
Me51N Purchase Requisition
Me41 Request for Quotation
Me49 Comparison of Quotation
Me21N Purchase Order Creation
MIGO, MB01 Goods Receipt
MIRO Invoice Verification
MB1A Good Issue

Tables in MM

MARA Material General
MARC Material Plant Data
MAKT Material Description
MARD Material Storage Location Data
MAST Material BOM Link
MBEW Material Valuation
MKPF Material Document Header
MSEG Mateial Document Line Item
MVKE Mateial Sales Data
T023 Material Group
T024 Purchase Organization
EBAN Purchase Requisition
EBKN Account Assignment Purchase Requisition
EINA Purchasing Info Record - General Data
EINE Purchase Info Record - Purchase Organization Data
EKKO Purchase Order Header Data
EKPO Purchase Order Line Item Data
EKKN Account Assignment Purchase Order
EKBE History Purchase Order
EKET Scheduling Agreement Purchase Order
EKAB Release Documentation

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