Schnellarbeitsstaehle

Heat Treatment of High-Speed Steel

Tools treated in our salt melts are well known for their superior quality. Due to the best temperature uniformity and quickest heat transfer, a fine grain structure with the corresponding proportion of solute carbides is achieved. Preeutectoid carbide precipitation at the grain boundaries or local formation of intermediate structures are avoided. Our technology provides ben-efits such as:

  • highest hardness combined with excellent toughness
  • partial hardening easy realizable
  • ideal quenching conditions regardless of part diameter
  • lowest distortion compared to other hardening processes

Salts for heat treatment of High-Speed Steel

Product

Application

Working
temp. in °C

GS 540

Salt for the 2nd preheating stage

800 - 950

GS750/R2

2-salt system for the 3rd preheating stage

1050 - 1100

CARBONEUTRAL®

For austenitizing of high alloyed tools and High-Speed Steels; additives are reducing decarburization

1000 – 1300

SEMPERNEUTRAL® 950

For austenitizing of high alloyed tools and High-Speed Steels; additives prevent from decarburization

1100 – 1300

SEMPERNEUTRAL® 1100

For austenitizing of High-Speed Steels; additives prevent from decarburization; less sensitive to moisture than SEMPERNEUTRAL® 950

1200 – 1300

GS 430

Quenching salt for high alloyed tool and high speed steels.

500 - 600

Supplements

 

Product

Application

DUROPERL®

For covering the CARBONEUTRAL® or SEMPERNEUTRAL® baths

GS 960 For saturating a new lining furnace