Vacuum normalizing, Vacuum quenching, Vacuum tempering

Treatment in a vacuum environment prevents from oxidizing the surface and decarburization and heat treatment with high brightness is possible. It is even possible to heat up to over 1,000°, so it is applied mainly for stainless steel and high alloy steel heat treatment.

Metallographic structure and treatment condition

treatment condition



Batch type vacuum furnace
Batch type vacuum furnace

The factroy is able to do

Numata Factory
Numata Factory

2-23-1 ohzuka-nishi, , Asaminami-ku,
Hiroshima-shi, 731-3167, Japan
Tel. +81-(0)82-848-6021
Fax. +81-(0)82-848-6301

Contact Us

Nagato Heat Treatment (Thailand) Co., Ltd.
7 /379 Moo 6, Tambol Mabyangporn, Amphur Pluakdaeng, Rayong, Thailand
Tel. +66-(0)38-027-473  Fax. +66-(0)38-027-475