Premium 321 Low Temp Stainless Heat Treating Foil / Tool Wrap

321 Low Temp Stainless Heat Treating Foil  / Tool Wrap

Made in the USA

This foil goes up to 980c past that we suggest 309 Foil.

Made from high-quality 321 stainless steel, this tool wrap offers exceptional heat resistance, ensuring consistent and uniform heat distribution during the heat treating process. Its superior resistance to oxidation and scaling at high temperatures guarantees that your knives and other valuable components remain protected and pristine.

Whether you're heat treating knives, aerospace components, automotive parts, or springs, our 321 Stainless Heat Treating Foil provides an effective barrier against contaminants and gases that could compromise the integrity of your workpieces. The foil's flexibility and ease of use make it a versatile choice for wrapping various shapes and sizes, allowing you to achieve precise results every time.

Practical maximum service temperature:
~870–925°C (1600–1700°F) for long-term service

Short-term exposure:
Up to ~980°C (1800°F)

Key Features:

• Made from 321 stainless steel for exceptional heat resistance and durability.
• Outstanding oxidation and scaling resistance at elevated temperatures, ensuring component integrity.
• Provides uniform heat distribution for accurate and reliable heat treatment.
• Versatile and flexible, accommodating various shapes and sizes effortlessly.
• Protects against contamination and unwanted interactions during the heat treating process.

How to use:

1. Cut a piece large enough to fold over your knife or other protected object with an extra 2-3 cm for the crimping folds
   
2. Fold foil over the workpiece.
3. fold the edges of the foil and crimp with a rubber mallet or vice, be careful to not pierce the foil packet. 
4. Have at least 2-3 folds to ensure an airtight seal cross all seams.