Model	GB	Purpose
TMH-132	YD132	Suitable for impact resistance and moderate wear. For low carbon steel, medium carbon steel or low alloy steel parts surface repair, such as mine, agricultural machinery surfacing and repair.
TMH-172	YD172	Suitable for impact resistance and moderate wear. Used for surfacing gear, dredger, tractor scraper, furrow plow, mining machinery and other wear parts.
TMH-212	YD212	Suitable for impact resistance, high wear conditions. Used for single or multi-layer surfacing of various wear parts surface repair, such as gear, dredger, mining machinery, etc.
TMH-397	YD397	It is mainly used for surfacing welding of hot forgingdie. The base material of die is 5CrNiMo and 5CrMnMo, which makes the die have good hardness and heat-resistant fatigue performance at high temperature.
TMH-507	YD507	It is mainly used for surfacing welding of hot forging die. The base material of die is 5CrNiMo and 5CrMnMo, which makes the die have good hardness and heat resistance and fatigue performance at high temperature.
TMH-557	YD557	It is mainly used for surfacing welding of hot forging die. The base material of die is 5CrNiMo and 5CrMnMo, which makes the die have good hardness and heat-resistant fatigue performance at high temperature
TMH-688	YD688	Suitable for impact resistance, high wear conditions. Used for single-layer or multi-layer surfacing of various wear parts surface repair, such as gear, dredger, construction machinery, mining machinery, etc.
TMH-788	YD788	Suitable for impact resistance, high wear conditions. Used for single-layer or multi-layer surfacing of various wear parts surface repair, such as gear, dredger, construction machinery, mining machinery, etc.
TMH-790	YD790	Suitable for all kinds of wear parts surface repair, such as construction machinery, mining machinery, etc.
TMH-414N	YD414N	It is mainly used for hard surfacing welding of continuous casting roll.

Key words

Surfacing flux-cored wire

Surfacing electrode

Cobalt-based electrode