--- title: Services description: Learn more about National Thermal's Heat Treating services including Annealing, Neutral Hardening, Blasting, and Hardness Testing. image: https://nationalthermalprocessing.com/hubfs/v1%20(2).jpg --- [Skip to content](https://nationalthermalprocessing.com/services#main-content) [![National Thermal Logo](https://nationalthermalprocessing.com/hs-fs/hubfs/Logo-1.png?width=153&height=150&name=Logo-1.png)](https://www.nationalthermalprocessing.com?hsLang=en) - [Home](https://nationalthermalprocessing.com/) - [Services](https://nationalthermalprocessing.com/services) Show submenu for Services - [Heat Treating](https://nationalthermalprocessing.com/heat-treating) - [Annealing](https://nationalthermalprocessing.com/annealing) - [Neutral Hardening](https://nationalthermalprocessing.com/neutral-hardening) - [Blasting](https://nationalthermalprocessing.com/blasting) - [Hardness Testing](https://nationalthermalprocessing.com/hardness-testing) - [About](https://nationalthermalprocessing.com/about) - [Contact](https://nationalthermalprocessing.com/contact) Open main navigation Close main navigation - [Home](https://nationalthermalprocessing.com/) - [Services](https://nationalthermalprocessing.com/services) Show submenu for Services - [Heat Treating](https://nationalthermalprocessing.com/heat-treating) - [Annealing](https://nationalthermalprocessing.com/annealing) - [Neutral Hardening](https://nationalthermalprocessing.com/neutral-hardening) - [Blasting](https://nationalthermalprocessing.com/blasting) - [Hardness Testing](https://nationalthermalprocessing.com/hardness-testing) - [About](https://nationalthermalprocessing.com/about) - [Contact](https://nationalthermalprocessing.com/contact) - [Print Our Certificates](https://nationalthermalprocessing.com/certificates) [Print Our Certificates](https://nationalthermalprocessing.com/certificates?hsLang=en) # Services --- ## Heat Treating Various processes that change a material to meet specific industry and customer standards. - #### Alloy Steel - #### Copper Alloys - #### Stainless Steel - #### Aluminum - #### Nickel Alloys - ##### Alloy Steel - ##### Copper Alloys - ##### Stainless Steel - ##### Aluminum - ##### Nickel Alloys ![v1 (2)](https://nationalthermalprocessing.com/hs-fs/hubfs/v1%20(2).jpg?width=2498&height=2434&name=v1%20(2).jpg "v1 (2)") --- ![neutralhardening](https://nationalthermalprocessing.com/hs-fs/hubfs/neutralhardening.jpg?width=2687&height=2432&name=neutralhardening.jpg "neutralhardening") --- ## Neutral Hardening A process using oil & salt quenching to harden steel without any oxidation or scaling. This process also hardens without adding or taking away carbon from the steel. - #### Alloy Steel ## Neutral Hardening A process using oil & salt quenching to harden steel without any oxidation or scaling.  This process also hardens without adding or taking away carbon from the steel. - ##### Alloy Steel ![neutralhardening](https://nationalthermalprocessing.com/hs-fs/hubfs/neutralhardening.jpg?width=2687&height=2432&name=neutralhardening.jpg "neutralhardening") --- ## Blasting A process that improves the surface finish of material. - #### Alloy Steel - #### Copper Alloys - #### Stainless Steel - #### Aluminum - #### Nickel Alloys ![IMG_7574](https://nationalthermalprocessing.com/hs-fs/hubfs/IMG_7574.jpeg?width=2000&height=1500&name=IMG_7574.jpeg "IMG_7574") --- ![IMG_7556 - Copy](https://nationalthermalprocessing.com/hs-fs/hubfs/IMG_7556%20-%20Copy.jpeg?width=1584&height=1536&name=IMG_7556%20-%20Copy.jpeg "IMG_7556 - Copy") --- ## Hardness Testing After each order is treated, our team performs a hardness inspection to verify the metal meets the customer's specifications. - #### Alloy Steel - #### Copper Alloys - #### Stainless Steel - #### Aluminum - #### Nickel Alloys - #### Composites ## Request a Quote from Our Team ## Hardness Testing After each order is treated, our team performs a hardness inspection to verify the metal meets the customer's specifications. - #### Alloy Steel - #### Copper Alloys - #### Stainless Steel - #### Aluminum - #### Nickel Alloys - #### Composites ![metal2](https://nationalthermalprocessing.com/hs-fs/hubfs/metal2.jpg?width=1920&height=1796&name=metal2.jpg "metal2") --- [facebook-f icon](https://www.facebook.com/Nationalthermal/) [linkedin-in icon](https://www.linkedin.com/company/national-thermal-processing/about/) --- [![National Thermal Processing Logo](https://nationalthermalprocessing.com/hubfs/Logo-1.jfif "National Thermal Processing Logo")](http://www.Nationalthermalprocessing.com) 14651 Mallory Drive, Fontana, CA 92335 Copyright © 2023, National Thermal Processing [Privacy Policy](https://nationalthermalprocessing.com/privacy-policy?hsLang=en)