Heat Treatment, Furnaces & Thermal Processing worked example

Heat Treat Scrap Cost at 110% scrap cost capture: a worked example

What does the result look like when scrap cost capture reaches 110%? The full calculation is worked below with real intermediate numbers. Use it when overheating, underhardness, cracking, quench distortion, oxidation, decarb, or case depth failures create scrap.

The inputs for this scenario

  • Scrapped heat treated parts: 18 parts (unchanged)
  • Value per scrapped part: 85 $ / part (unchanged)
  • Scrap cost capture: 110 % (raised for this scenario; the documented default is 100)
  • Fixed containment or lab cost: 500 $ (unchanged)

Working through the calculation

  • Applying the documented formula (Captured heat treat scrap cost = scrapped parts × value per scrapped part × scrap cost capture) to the inputs above produces each figure below.
  • At this operating point the engine returns 2,183 $ for total heat treat scrap cost, the number this scenario is built around.
  • At this operating point the engine returns 121 $ / part for scrap cost per part.
  • At this operating point the engine returns 1,683 $ for captured scrap value.
  • At this operating point the engine returns 500 $ for fixed containment or lab cost.

How this compares with the baseline

  • Against the tool's baseline example, where scrap cost capture sits at 100% and the headline result is 2,030 $, this scenario comes in 7.54% above the baseline at 2,183 $.
  • A figure at this level is achievable when scrap cost capture is genuinely sustained, not just peaked for a shift. The value-per-part figure must reflect the part's accumulated cost at the heat treat step, not just raw stock; using bare material cost understates the loss badly because all prior machining value is already invested.

Results at a glance

  • Total heat treat scrap cost: 2,183 $ (headline result)
  • Scrap cost per part: 121 $ / part
  • Captured scrap value: 1,683 $
  • Fixed containment or lab cost: 500 $

Run it with your numbers

  • Every input above is editable in the live Heat Treat Scrap Cost calculator, which recalculates instantly and can be shared with the inputs intact.

Last reviewed 2026-05-12.