Made in Sheffield > License Holder > Annealing, Carburizing, Case Hardening, Chemical Blacking, Hardening, Heat Treatment, Nitriding, Salt Bath Heat Treatment, Steel Hardening, Stress Relieving, Surface Hardening, Vacuum Heat Treatment > Summitglow Ltd

Summitglow Ltd

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Summitglow Ltd – Heat Treatment Specialists is a family owned company established in 1983, and now operates from two Sheffield sites and is open 24 hours per day, 5 days a week.

We continue to expand and steadily grow and as such takes advantage of both traditional and new technologies including:

•Sealed Quench Furnaces – Hardening, Case Hardening & Carbo-Nitriding

•Belt Furnaces – Hardening, Case Hardening & Carbo-Nitriding

•Vacuum Furnaces – Hardening, Ageing

•Gas Nitriding Furnaces – Up to four metres capacity

•Nitro-Carburising Furnace

•Hot Chemical Blacking

•Sub-zero (Cyrogenic) treatments

We have comprehensive testing facilities which include Rockwell, Brinell, Vickers, Micro Vickers and portable hardness testing. In addition samples can be cut, ground and mounted for microscopic examination.

We operate our own fleet of commercial vehicles and offer delivery and collection to many areas within a 150 mile radius.

Quality Assured to BS EN ISO 9001:2008.