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SAP Assembly Scrap Basics

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SAP Assembly Scrap

By John Jordan

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SAP assembly scrap allows you to plan for faulty or damaged assemblies.

Since no production process is perfect, some scrap is always produced. You can either scrap or rework assemblies and components that do not meet quality standards. Depending on the problem, you may scrap cheaper items and rework costly items.

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For example, you plan to produce 100 finished Printed Circuit Boards (PCBs). Plan assembly scrap increases component and activity quantities by 10%, as shown in the Quantity costed column in Figure 1.

Assembly Scrap

Figure 1: Component and Activity Quantities with Assembly Scrap

Assembly scrap increases the planned cost of PCBs by increasing lower-level quantities. MRP proposes a quantity of 110 expecting 100 to be delivered to inventory and ten confirmed as scrap.


You plan assembly scrap in the MRP 1 view with Transaction MM02 or via the menu path:

Logistics • Materials Management • Material Master • Material • Change • Immediately

Navigate to the MRP 1 view to display the screen in Figure 2.

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Figure 2: Assembly Scrap Field in MRP 1 View

Complete the Assembly scrap (%) field with a percentage from your production scrap rate.


You can display how assembly scrap costs are included in a standard cost estimate with Transaction CK11N or via the menu path: Accounting • Controlling • Product Cost Controlling • Product Cost Planning • Material Costing • Cost Estimate with Quantity Structure • Create

A standard cost estimate, including assembly scrap, is shown in Figure 3 below.

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Figure 3: Cost Estimate with Assembly Scrap

You can see the value of scrapped components in the Scrap column and the corresponding quantity in the Scrap quantity column. While only material cost estimates are displayed in Figure 3, the quantity and value of all items, including activities and overhead, are also increased by 10%.

You analyze scrap variance in detailed reports: PKBC_PKO and PKBC_ORD


Learn more about assembly scrap:

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Activity Type

An activity type identifies activities provided by a cost center to manufacturing orders. The secondary type general ledger account associated with an activity type identifies the activity costs on cost center and detailed reports.

Cost Center

A cost center is master data that identifies where the cost occurred. A responsible person assigned to the cost center analyzes and explains cost center variances at period end.

Profit Center

A profit center receives postings made in parallel to cost centers and other master data such as orders. Profit center accounting is integrated in the Universal Journal with S/4HANA. You normally create profit centers based on areas in a company that generate revenue and have a responsible manager assigned.
If profit center accounting is active, you will receive a warning message if you do not specify a profit center, and all unassigned postings are made to a dummy profit center. You activate profit center accounting with configuration Transaction OKKP, which maintains the controlling area.

Purchase Order

Purchase order is a legal contract which binds the supplier to supply the materials or services and purchaser to pay after receiving the materials or services.

Valuation Class

The valuation class in the Costing 2 view determines which general ledger accounts are updated as a result of inventory movement or settlement.

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Tuesday, 21 May 2024

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