Introduction to heat-resistant steel electrode 
 American Standard Grade Model GB model drug skin type main purpose of welding current 
 R102 E5003-A1 1 titanium calcium type AC-DC for operating temperature of 510 degrees Celsius below the boiler pipe welding, welding and other such 15Mo cover up after backing welding welding 
 R106Fe E5018-A1 E7018-A1 DC low hydrogen iron powder for the working temperature of 510 degrees Celsius below the boiler pipe welding (such as 15Mo), can also be used for general welding low alloy steel 
 R107 E5015-A1 E7015-A1 DC for low hydrogen at 510 degrees Celsius operating temperature of the boiler pipe welding (such as 15Mo), can also be used for general welding low alloy steel 
 R202 E5503-B1 1 titanium calcium type AC and DC operating temperature of 510 degrees Celsius for the following 12CrMo pearlitic heat resistant steels, etc. 
 R207 E5515-B1 E8015-B1 DC for the low-temperature hydrogen at 510 degrees Celsius below the 12CrMo pearlitic heat resistant steels, etc. 
 R302 E5503-B2 1 titanium calcium type AC-DC for 520 degrees Celsius operating temperature in the boiler pipe welding, welding and other such 15CrMo cover up after backing welding welding 
 R307 E5515-B2 E8015-B2 DC for low hydrogen at 520 degrees Celsius operating temperature below the pearlite 15CrMo and other heat-resistant steels 
 R307B E5515-B2 E8015-B2 low hydrogen type DC for Cr-Mo heat resistant steel, such as 15CrMo, 13CrMo and other steel reactor, heat exchangers, pressure vessels, structural stress complex, binding a large heat-resistant steel welded 
 R310 E5500-B2-V 1 DC for a special type of temperature at 540 degrees Celsius pearlitic heat resistant steel (such as 12CrMoV) Structural Welding 
 R312 E5503-B2-V 1 with titanium calcium type AC-DC for the working temperature of 540 degrees Celsius pearlitic heat resistant steel (such as 12CrMoV) welding boiler pipe cover up after backing welding welding 
 R317 E5515-B2-V 1 DC for low hydrogen at 540 degrees Celsius operating temperature pearlitic heat-resistant steel (such as 12CrMoV) Structural Welding 
 R327 E5515-B2-VW 1 DC for low-temperature hydrogen at 570 degrees Celsius below the 15CrMoV pearlitic heat resistant steels, etc. 
 R337 E5515-B2-VNb 1 DC for low hydrogen at 570 degrees Celsius operating temperature below 15CrMoV pearlitic heat resistant steels, etc. 
 R340 E5500-B2-VWB 1 special type of DC used for welding at 620 degrees Celsius temperature pearlitic heat-resistant steel 
 R347 E5515-B2-VWB 1 DC for welding low hydrogen at 620 degrees Celsius operating temperature pearlitic heat-resistant steel 
 R402 E6003-B3 1 titanium calcium type AC-DC for operating temperature of 550 degrees Celsius at high temperature and pressure pipe welding cover up after backing welding welding 
 R406Fe E6018-B3 E9018-B3 iron powder low hydrogen type AC and DC welding Cr2.5Mo class pearlitic heat resistant steel 
 R407 E6015-B3 E9015-B3 Cr2.5Mo DC welding with low hydrogen type pearlitic heat resistant steel 
 R427 E5515-B3-VNb 1 DC for low hydrogen welding temperature below 620 degrees Celsius and other heat-resistant steel 12Cr2MoWVB 
 R507 E5MoV-15 1 DC welding with low hydrogen type Cr5Mo pearlite heat resistant steel, such as 400 degrees Celsius temperature hydrogen corrosion resistant pipes 
 R507B E5MoV-15 1 low hydrogen type DC welding Cr5Mo class pearlitic heat resistant steel, such as 400 degrees Celsius temperature hydrogen corrosion resistant pipes 
 R 517A A 1 DC for low hydrogen welding temperature of 650 degrees Celsius below the 10Cr5MoWVTiB other pearlitic heat resistant steel, such as high temperature and high pressure boiler reheater, etc. 
 R707 E9Mo-15 1 Cr9Mo DC welding with low hydrogen heat pipes and other steel structures and superheater 
 R717 A 1 DC for welding with low hydrogen Cr9Mo heat pipes and other steel structures and superheater 
 R 717A A E505-15 DC for low hydrogen steel welding Cr9Mo1 type heat, high temperature and high pressure boiler superheater tubes and oil refining equipment of the heater tubes 
 R802 E11MoVNi-16 1 titanium calcium type DC welding temperature of 565 degrees Celsius below the heat-resistant steel Cr11MoV 
 R807 E11MoVNi-15 1 DC welding with low hydrogen at 565 degrees Celsius below the temperature of heat-resistant steel Cr11MoV, such as variable-level high-pressure gas turbine blades, etc. 
 R817 E11MoVNiW-15 1 DC welding with low hydrogen temperature of 580 degrees Celsius below the Cr11MoNiVW Heat strong steel structure, such as superheater and steam pipes, etc. 
 R827 A 1 DC welding with low hydrogen temperature at 565 degrees Celsius below the Cr11MoV, Cr11MoNiV thermal strength steel, such as superheater and steam pipeline, transmission-level high-pressure gas turbine blades, etc.