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PLASMA WELDING / CUTTING, GOUGING

Image	Type of Product	Brand Name	JIS	AWS	Characteristics
	Stick Electrodes	H-250B	JIS Z 3251 DF2A-250-R☆		H-250B is a high titanium oxide type electrode being used widely for surfacingof shafts, gears and crane wheels. The Weldability is excellent and the bead apearance is beautiful. The weld metal has the hardness of about 250 Vickers and is easily machined.
	Stick Electrodes	H-250C	JIS Z 3251 DF2A-250-B☆		H-250C is a low hydrogen type electrode with excellent weldability. It is suitable for surfacing worn machine parts since the weld metal has the hardness of about 250 Vickers as welded and is easily machined. It also is suitable for depositing buffer layer in multi-1ayer welding due to its high crack resistance.
	Stick Electrodes	H-300C	JIS Z 3251 DF2A-300-B☆		H-300C is a low hydrogen type electrode for surfacing machine parts, and carbon steel and cast steel of poor weldability. The weld metal has the hardness of about 300 Vickers as welded and is easily machined. The weldability is excellent.
	Stick Electrodes	H-350C	JIS Z 3251 DF2A-350-B☆		H-350C is a low hydrogen type electrode for surfacing worn machine parts subjected to high stress abrasion by metal to metal sliding or rolling. The weld metal of about 350 Vickers hardness as welded provides reasonable abrasion.
	Stick Electrodes	H-500	JIS Z 3251 DF2B-500-B☆		H-500 is a low hydrogen type electrode for surfacing machine parts which are subjected to metal to metal abrasion or earth and sand abrasion and are used without machining. The weld metal of about 500 Vickers hardness and martensitic structure provides reasonable toughness and stress resistance to some extent.
	Stick Electrodes	H-600	JIS Z 3251 DF2B-600-B☆		H-600 is a low hydrogen type electrode for surfacing worn parts of civil engineering, construction and mining machinery to be used without machining. The weld metal of about 600 Vickers hardness and martensitic structure provides high toughness in spite of high hardness and excellent abrasion resistance to midium impact.
	Stick Electrodes	H-700	JIS Z 3251 DF2B-700-B☆		H-700 is a low hydrogen type electrode for surfacing machine parts which are subjected to heavy impact. The weld metal of about 700 Vickers hardness and martensitic structure provides extremely high abrasion resistance.
	Stick Electrodes	H-750	JIS Z 3251 DF3C-700-B☆		H-750 is a low hydrogen type electrode for surfacing civil engineering and construction machine parts which are not subjected to heavy impact. The weld metal of about 750 Vickers hardness and martensitic structure provides stably high hardness and abrasion resistance. The weldability is excellent.
	Stick Electrodes	H-800	JIS Z 3251 DF3C-700-B☆		H-800 is a low hydrogen type electrode to give extremely hard weld metal due to dispersedly precipitated borides and carbides. Although it is not suitable for impact abrasion since the weld metal tends to crack, it shows excellent resistance to earth and sand abrasion.
	Stick Electrodes	H-11Cr	JIS Z 3251 DF4A-500-B☆		The weld metal of austenitic structure a welded shows resistance to abrasion under comparatively high temperatures.