AWS E7018/7018-1 High Toughness Electrode for Welding High Tensile Steel
Chemical Composition of Deposited metal(%)
C Mn* Si S P
Standard =0.12 =1.60 =0.75 =0.035 =0.040
Typical 0.071 1.42 0.53 0.009 0.014
Cr* Ni* Mo* V* Cu
Standard =0.20 =0.30 =0.30 =0.08
Typical 0.047 0.022 0.010 0.014 0.024
Mechanical Properties of Deposited metal
Yield Point
ss (MPa) Tensile Strength
sb(MPa) Elongation
d5(%) Impact Value(J)
-20? -29? -46?
Standard =375 490-660 =22 =47 =27 =27
Typical 440 560 30 160 140 120
The content of diffusion hydrogen of deposited metal?5ml/100g(ISO 3960) and a typical one is 2.6ml/100g
Size, Pieces & Recommended Current (AC or DC)
Size(mm) 2.5×300 2.5×350 3.2×350 3.2×450
Pieces(5kg) ˜290 ˜248 ˜145 ˜114
Current(A) F,H 70-100 70-100 100-140 100-140
V,OH 60-70 60-70 80-110 80-110
Size(mm) 4.0×400 4.0×450 5.0×400 5.0×450
Pieces(5kg) ˜84 ˜75 ˜51 ˜45
Current(A) F,H 140-170 140-170 190-240 190-240
V,OH 130-150 130-150
welding rod E7018