Heat Resistant Steel Electrode

Model GB AWS Type of Coating Current Main Applications
R106Fe E5018-A1 E7018-A1 Low-hydrogen Type AC, DC+ Used for welding boiler pipes below 510such as 15Mo). Also used for welding general low-alloy steel.
R107 E5015-A1 E7015-A1 Low-hydrogen Type DC+ Used for welding boiler pipes below 510such as 15Mo). Also used for welding general low-alloy high strength steel.
R202 E5503-B1 Lime-titania Type AC, DC Used for welding nodular troostite heat-resistant steel below 510such as 12CrMo), etc.
R207 E5515-B1 E8015-B1 Low-hydrogen Type DC+ Used for welding CrMo pearlitic heat-resistant steel structures below 510such as 12CrMo), chemical vessels under high temperature and high pressure, etc.
R306Fe E5518-B2 E8018-B2 Low-hydrogen Type AC, DC+ Used for welding Cr1%-Mo0.5% pearlitic heat-resistant steel (such as 15CrMo). For example, boiler heating surfaces below 550steam pipes below 520high pressure vessels, etc. Also used for welding 30CrMoSi cast steel.
R307 E5515-B2 E8015-B2 Low-hydrogen Type DC+ Used for welding Cr1%-Mo0.5% heat-resistant steel below 520such as boiler pipes, high pressure vessels, equipment for petroleum refining, etc. Also used for welding 30CrMoSi cast steel.
R310 E5500-B2-V Special Type AC, DC+ Used for welding pearlitic heat-resistant steel below 540such as 12CrMoV), such as high temperature high pressure boiler pipes, equipment for petroleum cracking, chemical equipment for high temperature synthesis, etc.
R317 E5515-B2-V Low-hydrogen Type DC+ Used for welding pearlitic heat-resistant steel below 540such as 12CrMoV), such as high temperature high pressure boiler pipes, equipment for petroleum cracking, chemical equipment for high temperature synthesis, etc.
R327 E5515-B2-VW Low-hydrogen Type DC+ Used for welding pearlitic heat-resistant steel below 570such as 15CrMoV, etc.
R337 E5515-B2-VNb Low-hydrogen Type DC+ Used for welding pearlitic heat-resistant steel below 570such as 15CrMoV, etc.
R347 E5515-B3-VWB Low-hydrogen Type DC+ Used for welding pearlitic heat-resistant steel structures below 620such as high temperature high pressure turbogenerator unit, boiler pipes, etc.
R407 E6015-B3 E9015-B3 Low-hydrogen Type DC+ Used for welding Cr2.5Mo pearlitic heat-resistant steel structures, such as high temperature high pressure pipes below 550chemical equipment for synthesis, equipment for petroleum cracking.
R417 E5515-B3-VNb Low-hydrogen Type DC+ Used for welding 12Cr3MoVSiTiB pearlitic heat-resistant steel structures below 620such as high temperature high pressure boiler pipes, etc.
R507 E5MoV-15 Low-hydrogen Type DC+ Used for welding Cr5Mo pearlitic heat-resistant steel structures, such as 400igh temperature hydrogen corrosion-resistant pipes.
R507D E5MoV-15 Low-hydrogen Type DC+ Used for backing weld on Cr5Mo pearlitic heat-resistant steel structures.
R517A Low-hydrogen Type DC+ Used for welding 10Cr5MoWVTiB(G106) pearlitic heat-resistant steel below 650etc., such as high temperature high pressure boiler reheater pipes.
R707 E9Mo-15 Low-hydrogen Type DC+ Used for welding Cr9Mo heat-resistant steel structures, superheater pipes, etc.
R717 Low-hydrogen Type DC+ Used for welding Cr9MoNiV (such as T91) heat-resistant steel structures, superheater pipes, etc.
R802 E11MoVNi-16 Lime-titania Type AC, DC Used for welding Cr11MoV heat-resistant steel structures below 565nbsp;
R807 E11MoVNi-15 Low-hydrogen Type DC+ Used for welding Cr11MoV heat-resistant steel structures below 565such as speed blades of high pressure steam turbines, etc.
R817 E11MoVNiW-15 Low-hydrogen Type DC+ Used for welding Cr11MoNiVW steel structures below 580such as refractory steel superheaters, steam pipes, etc.