CHE502 (J502) comply with: GB E5003 considerable: JIS D5003 Description: CHE502 titanium calcium type coating of carbon steel welding, AC and DC, all-position welding. Uses: mainly used for welding low alloy steel structures, such as 16Mn. Deposited metal chemical composition: (%) C Mn Si SP - - - ≤0.035 ≤0.040 deposited metal mechanical properties: Tensile strength (бb) Mpa yield point (бs) MPa Elongation (δ5)% Akv impact energy ( J) ℃ ≥490 ≥400 ≥20 ≥27 X-ray testing requirements: Level Ⅱ reference current: (AC or DC) electrode diameter (mm) 2.5 3.2 4.0 5.0 5.8 welding rod length (mm) 300 350 400 400 400 Welding current (A following) 70-90 90-130160-210 220-270260-310