A012Mo titanium calcium type Cr18Ni12Mo3 ultra-low carbon stainless steel electrode, the deposited metal carbon content ≤ 0.04%, with good heat resistance, corrosion and cracking, anti-hole performance, in particular, corrosion resistance is better than A022, good operating process performance, drug-resistant skin red, good intensity. Can be AC ??and DC. Uses: 00Cr18Ni12Mo3 low carbon stainless steel, can also be used for post-weld heat treatment can not be chrome stainless steel and composite steel and dissimilar steels. Chemical Composition of Deposited Metal (%) Chemical Composition C Mn Si SP Cu Ni Mo Cr guaranteed value ≤ 0.04 0.5 ~ 2.5 ≤ 0.90 ≤ 0.030 ≤ 0.040 ≤ 0.75 12.0 ~ 14.0 3.00 ~ 4.00 18.0 ~ 21.0 Mechanical Properties of Deposited Metal Project σb (MPa) δ5 (%) value ≥ 520 ≥ 25 to ensure that the reference current (AC, DC +) electrode diameter (mm) φ2.0 φ2.5 φ3.2 φ4.0 φ5.0 welding current (A) 40 ~ 80 50 ~ 100 70 ~ 130 100 ~ 160 140 ~ 200 Notes: 1. 200-250 ℃ before welding electrodes shall be baked 1h. 2. As far as possible dc power supply, current is not too large. A032 line with GB E317MoCuL-16 Description: A032 is a titanium calcium type of ultra-low carbon stainless steel electrode Cr19Ni13Mo2Cu has good heat resistance, corrosion and cracking, anti-hole performance, excellent welding performance. Can be AC ??and DC. Uses: As the weld contains Mo and Cu, in sulfuric acid medium has a high resistance to corrosion, synthetic fiber and other equipment used for welding thin, the concentration of sulfuric acid in the same type of work in low-carbon stainless steel and can be welded Cr10Si3 acid-resistant steel. Chemical Composition of Deposited Metal (%) Chemical Composition C Mn Si SP Cu Ni Mo Cr guaranteed value ≤ 0.04 0.5 ~ 2.5 ≤ 0.90 ≤ 0.030 ≤ 0.035 ≤ 2.0 12.0 ~ 14.0 2.00 ~ 2.50 18.0 ~ 21.0 Mechanical Properties of Deposited Metal Project σb (MPa) δ5 (%) value ≥ 540 ≥ 25 to ensure that the reference current (AC, DC +) electrode diameter (mm) φ2.0 φ2.5 φ3.2 φ4.0 φ5.0 welding current (A) 40 ~ 80 50 ~ 100 70 ~ 130 100 ~ 160 140 ~ 200 Notes: 1. 200-250 ℃ before welding electrodes shall be baked 1h. 2. As far as possible dc power supply, current is not too large.