长门金属热处理（无锡）有限公司 热处理综合服务性厂家
Description: Providing value-added processes for metallic materials with qualitative changes by heat treatments.
japan (4506) thailand (2846) heat treatment (131) rayong (34) nagato (3) high frequency induction hardening (1)
It is interesting that iron which is originally soft solid becomes steel which is harder than iron when carbon comes into the iron. Long ago, Japanese swords had been made through many forging processes, and a momentary quenching was important key factor for superb Japanese swords. This is exactly mysterious world where Japanese masters swordsmith had reached. Technological advancement has been making the progress of industry and expanding quality improvement and capability of materials applications. Nagato
Simply put, heat treatment is the process of adding heat then cooling down to change the metallographic structure of a metal thus creating hardness , toughness and fatigue strength in the product, that’s right, a swordsmith ‘hardens’ a sword, that’s heat treatment. Where forging/casting and machining are about the shape and dimensional changes of a product, the feature of heat treatment is to make quality changes. Our role at NAGATO is to give each part and product ‘added value’ and ‘characteristics through
长门金属热处理（无锡）有限公司 热处理综合服务性厂家