Material 
A component or higher level assembly processed or consumed on the shop floor
Structure
Materials can have the following attributes:
Status
Type
Order Type
Unit of Measure
Routing (see Routing)
BOM (see Bill of Material (BOM))
Lot Size
Qty Restriction
Qty Multiplier
Drawing Name
Panel (see Panel)
Collect Parent Serial Number
Collector
TSM (see Time-Sensitive Material)
DPMO Category
Transfer Type
Max Shelf Life
Max Floor Life
For more information, see Material Maintenance.
See also: Material Table and BOM Component Tables
Integration
You define numbering patterns that uniquely identify material received into floor stock in Next Numbering Maintenance (see Numbering Patterns)
SAP ME ERP Integration
If you use the SAPMEINT component, see Material Transfer.