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Martensitic Wire

No.	Welding category	Protective gas	specification	Deposited metal main element	Hardness (HRC)	Characteristic	Application
DB-BU	Self shield or gas protection or submerged arc	Mixed gas/neutral flux	1.6,2.0,2.4,2.8,3.2	C,Mn,Si,Cr,Mo	23-27	The weld metal has excellent impact resistance and is suitable for applications with low wear and high impact. Can also be used as a buffer layer or primer.	Surface repair of gears, axles, pumps, axles, couplings, links, journals, etc.
DB-102	Self shield or gas protection or submerged arc	Mixed gas/neutral flux	1.6,2.0,2.4,2.8,3.2	C,Mn,Si,Cr,Mo,V,W	53-56	The weld metal is hot work die steel. For workpieces that require high stress, high impact, moderate wear	Cranes, gears, cutters, eye molds, molds and various rollers. Shredder cutter.
DB-105	Self shield or gas protection or submerged arc	Mixed gas/neutral flux	1.6,2.0,2.4,2.8,3.2	C,Mn,Si,Cr,Mo,V	43-47	Suitable for metal and metal wear	Driving, gear, idler, pulley, axle, track, chain, shovel, blade, shovel
DB-107	Self shield or gas protection or submerged arc	Mixed gas/neutral flux	1.6,2.0,2.4,2.8,3.2	C,Mn,Si,Cr,Mo	37-41	The welding metal is suitable for high stress, high impact and light abrasion.	Cranes, gears, cutters, eye molds, molds and various rollers.
DB-1466	Gas protection or submerged arc	Mixed gas/neutral flux	1.6,2.0,2.4,2.8,3.2	C,Mn,Si,Cr,Nb	56-60	The weld metal is a small amount of small carbides such as niobium carbide in the self-hardening martensite structure. Can withstand impact, high stress wear resistance, viscous wear and other characteristics. Suitable for wear between metal and metal or between metal and sand.	Shredder cutter, shovel tooth, forging die, oil drilling tool, conveyor belt, jaw crusher, cone breaking
DB-707	Gas protection	Mixed gas	1.6	C,Mn,Si,Cr,Nb,W,V,B	58-62	The weld metal contains small carbides such as carbides and boride in the martensite structure. With impact resistance, high stress wear resistance and other characteristics, wear resistance is extremely superior. Suitable for surfacing welding mechanical parts resistant to strong rock wear	Oil sand screen, shovel teeth, high-end wear plate.
DB-969	Self shield or gas protection or submerged arc	Mixed gas/neutral flux	1.6,2.0,2.4,2.8,3.2	C,Mn,Si,Cr,Mo	55-59	The weld metal is a self-hardening martensitic structure. It can withstand high stress wear and viscous wear. Suitable for wear between metal and metal or between metal and sand.	Dredging the cutter, stirring the spiral leaves, farming tools, crushers, etc.
DB-CMB	Gas protection	Mixed gas	1.2,1.6	——	55	The welding wire has no slag after welding, no crack, beautiful appearance and small splash, and is suitable for various working environments.	Mold repair, mining machinery and other industries.
DB-M7	Gas protection or submerged arc	Mixed gas/neutral flux	1.6,2.0,2.4,2.8,3.2	C,Mn,Si,Cr,Mo,V,W	59-63	The weld metal is a high speed tool steel containing a martensite structure of various small carbides. High self-hardness, good impact abrasion resistance, and high wear resistance. Heat resistant wear up to 540 °C.	Eye mold, cutting knife, scraper, farm tool, shredder cutter
DB-TK	Gas protection	Mixed gas	1.6	C,Mn,Si,Cr,B	63-67	The weld metal is fine carbide dispersed in a high hardness martensitic matrix. When rubbed against metal, the coefficient of friction is low. Can be used in high stress, high wear.	Sugar cane knife, logging knife, sealing ring