This document discusses inventory management in SAP. It describes the various stock types in SAP including unrestricted stock, quality inspection stock, reserved stock, and blocked stock. It provides transaction codes to view stock information and lists important inventory movement types. The document also explains how goods receipts update material documents, accounting documents, stock values, warehouse quantities, and more.

1. SAP www.consult4scm.blogspot.com 1
Stock overview
INVENTORY MANAGEMENT
In SAP

2. SAP www.consult4scm.blogspot.com 2
Various stock types used
in SAP
 Un-restricted
 Quality inspection
 Reserved
 Receipt reservation
 Open order quantity
 Consignment ordered
 Stock transfer – Plant
 Stock transfer – storage location
 GR blocked
 SA (Scheduled agreement) delivery
 Return delivery
 Blocked stock

3. SAP www.consult4scm.blogspot.com 3
MMBE – Stock overview –
We can see all types stock available in plant
MB5B – Stock transaction details date wise
MB5T – Display stock in transit
MBLB – Display stock with subcontractor
MBBS – Valuated special stock
MB5S – List of GR/IR Balance
MB52 – Warehouse stock of material on hand
MIGO – Goods Receipt
MB1B - Display

4. SAP www.consult4scm.blogspot.com 4
Some Important Movement Types
Used In Inventory Management
 101 – GR to unrestricted use, blocked and
quality inspection
 321 – Quality to unrestricted
 322 – Unrestricted to quality
 343 – Blocked to unrestricted
 344 – Unrestricted to quality
 349 – Blocked to quality
 350 – Quality to blocked

5. SAP www.consult4scm.blogspot.com 5
Understanding
inventory movement
We can post a Goods Receipt (GR) to un-
restricted use, inspection and blocked
stock (MvT:101)
Withdrawal for consumption is only
allowed from un-restricted stock

6. SAP www.consult4scm.blogspot.com 6
Understanding
inventory movement
For all goods movements system will
generate a material document
System will generate an accounting
document only if there is a change in
valuation

7. SAP www.consult4scm.blogspot.com 7
Understanding
inventory movement
A document is proof of transaction took
place
Material and accounting documents are
independent
We can post difference in stock to
quality and blocked stock

8. SAP www.consult4scm.blogspot.com 8
Understanding
inventory movement
We can withdraw only one (time) quantity
from blocked or quality as sample or scrap
etc.,
 Cancellation of any posting due to error is
through creating another contra entry
document only

9. SAP www.consult4scm.blogspot.com 9
An entry of GR (Goods
Receipt) will update
 Material document
 Accounting document
 Value in Finance documents
 Quantity in warehouse
 Quality (quantity) in quality management
 Stock account
 Consumption account
 Purchase order (PO) history
 Notify goods receipt

10. SAP www.consult4scm.blogspot.com 9
An entry of GR (Goods
Receipt) will update
 Material document
 Accounting document
 Value in Finance documents
 Quantity in warehouse
 Quality (quantity) in quality management
 Stock account
 Consumption account
 Purchase order (PO) history
 Notify goods receipt