Germany UTTP stainless steel electrode grade DIN 8556 AWS A5.4 / 9/22 deposited metal performance characteristics and uses 66 E 13B20 + ~ E 410-15 A 66 SGX8Cr14 13B20 + ~ ER 410 σ0.2: 450MPa σb: 650MPa δ: 20% σ0 contact surface (such as a fluid seal surface means 280-360 for corrosion resistant steel welding Cr14 type, can also be used on carbon steel, low alloy steel and cast steel: .2: 250MPa σb: 450MPa δ: 15% HB ) surfacing, operating temperature to 475 ℃, anti-oxidation to 850 ℃. X6Cr13 (1.4000) X7Cr14 (1.4001) X6CrAl13 (1.4002) X10Cr13 (1.4006) G-X8CrNi13 (1.4008) X20Cr13 (1.4021) X15Cr13 (1.4024) G-X20Cr14 (1.4027) and the like. 6615 E 13 1B20 + ~ E 410-15 σ0.2: 550MPa σb: 720MPa δ: 15% Akv: 50J for the same type of stainless steel repair welding and surfacing. Weld metal anti-corrosion, cavitation, erosion good performance. Very suitable for welding the water bucket and shaft turbines with radial flow turbine wheel and the Kaplan turbine blades. As well as wear and corrosion resistance welding on carbon steel, low alloy steel and cast steel, the working temperature to 540 ℃. X2Cr11 / X2CrNi12 (1.4003) G-X8CrNi13 (1.4008) G-X20Cr14 (1.4027) and the like. 6635 E 13 4B20 + E 410NiMo A 6635 SGX3CrNi13 4 ~ ER 410NiMo AF 6635 - - σ0.2: 650MPa σb: 760MPa δ: 15% Akv: 55J σ0.2: 600MPa σb: 800MPa δ: 15% Akv: 40J σ0.2 : 700MPa σb: 850MPa δ: 13% Akv: 35J for martensite Cr, CrNi steel and cast steel welding and surfacing, such as power plant construction, turbine and rotor and so on. Operating temperature to 350 ℃. X5CrNi13 4 / G-X4CrNi13 4 (1.4313) G-X3CrNiMo13 4 (1.4413) G-X4CrNiMo13 4 (1.4414) G-X5CrNiMo13 4 (1.4407) and the like. 6635 is a basic coated electrode. AF 6635 is no residue gas shielded flux cored wire, shielding gas: Ar + 15-25% CO2. 660 E 17B20 + E 430-15 σ0.2: 350MPa σb: 550MPa δ: 20% HB: 260 for corrosion resistant steel welding Cr17 type, in particular for welding the sealing surface of the fluid device, operating temperature to 475 ℃ anti-oxidation to 850 ℃. X6CrTi17 (1.4510), 1.4557 and so on. A 660 SGX8CrTi18 ~ ER 430 HB: 200-280 120 (500 ℃) 13-18% Cr for welding stainless steel, also available in carbon steel, low alloy steel and cast steel contact surface surfacing operating temperature to 450 ℃. Anti-oxidation to 900 ℃. Resistant to salt water corrosion. X7Cr14 (1.4001), X7CrAl13 (1.4002), X8Cr17 like. 6655Mo E 17 5Mo B20 + - σ0.2: 700MPa σb: 900MPa δ: 15% Akv: 40J for grade chromium steel and cast steel welding and surfacing, such as turbines, pumps structure. G-X5CrNiMo16-5 (1.4405), X4CrNiMo16-5 (1.4418) and the like. 6805Kb E 16 4Cu B20 + E 630-15 HRC: 35 (welded) 45 (aging) suitable for valves and sealing surface