NIC-70A model AWS Welding Category Name deposited metal chemical composition (%) Mechanical properties of deposited metal and Uses C Si Mn Ni Cr Nb Fe Mo σ0.2 (MPa) δb (MPa) δ (%) Akv (J) Welding NIC-70A EniCrFe-1 0.04 0.25 2.84 70.66 14.75 1.94 9.24 380 610 44 -196 ℃: 93 for welding dissimilar metals nickel and Yin Hong, grass and low-alloy steel or Inconel and stainless steel and low alloy steel, AC only drying: 200 ~ 250 ℃ × 0.5 ~ 1h NIC-703D EniCrFe-3 0.06 0.34 6.55 69.40 13.21 2.00 7.90 Ti: 0.01 360 620 45 -196 ℃: 110 Yin Inconel weld dissimilar metals and for grass Inconel and low-alloy steel, or stainless steel and low alloy steel, using only DC reverse, drying: 200 ~ 250 ℃ × 0.5 ~ 1h