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Guide to AWS A5.28: Low-alloy Steel Electrodes and Rods for Gas
Shiel ded Arc Welding
AWS
Classification
Chemical composition of solid wire or rod, wt % *
C Mn Si P S Ni Cr Mo V Ti Zr Al Cu Other
elements
total
ER70S-A1 0.12 1.30 0.3-0.70 0.025 0.025 0.20 – 0.40-0.65 – – – – 0.35 0.50
ER80S-B2 0.07-0.12 0.40-0.70 0.40-0.70 0.025 0.025 0.20 1.20-1.50 0.40-0.65 – – – – 0.35 0.50
ER70S-B2L 0.05 0.40-0.70
0.40-0.70 0.025 0.025 0.20 1.20-1.50 0.40-0.65 – – – – 0.35 0.50
ER90S-B3 0.07-0.12 0.40-0.70 0.40-0.70 0.025 0.025 0.20 2.30-2.70 0.90-1.20 – – – – 0.35 0.50
ER80S-B3L 0.05 0.40-0.70 0.40-0.70 0.025 0.025 0.20 2.30-2.70 0.90-1.20 – – – – 0.35 0.50
ER80S-B6 0.10 0.40-0.70 0.50 0.025 0.025 0.6 4.50-6.00 0.45-0.65 – – – – 0.35 0.50
ER80S-B8 0.10 0.40-0.70 0.50 0.025 0.025 0.5 8.00-10.5 0.8-1.2 – ––– 0.35 0.50
ER90S-B9 0.07-0.13 1.20 0.15-0.50 0.010 0.010 0.80 8.00-10.50 0.85-1.20 0.15-0.30 0.04 0.20 0.50
ER80S-Ni1 0.12 1.25 0.40-0.80 0.025 0.025 0.80-1.10 0.15 0.35 0.05 ––– 0.35 0.50
ER80S-Ni2 0.12 1.25 0.40-0.80 0.025 0.025 2.00-2.75 – – – – – – 0.35 0.50
ER80S-Ni3 0.12 1.25 0.40-0.80 0.025 0.025 3.00-3.75 – – – – – – 0.35 0.50
ER80S-D2 0.7-0.12 1.60-2.10 0.50-0.80 0.025 0.025 0.15 – 0.40-0.60 – – – –
0.5 0.50
ER90S-D2 0.7-0.12 1.60-2.10 0.50-0.80 0.025 0.025 0.15 – 0.40-0.60 – – – –
0.5 0.50
ER100S-1 0.08 1.25-1.80 0.20-0.55 0.010 0.010 1.40-2.10 0.30 0.25-0.55 0.05 0.10 0.10 0.10 0.25 0.50
ER110S-1 0.09 1.40-1.80 0.20-0.55 0.010 0.010 1.90-2.60 0.50 0.25-0.55 0.04 0.10 0.10 0.10 0.25 0.50
ER120S-1 0.10 1.40-1.80 0.25-0.60 0.010 0.010 2.00-2.80 0.60 0.30-0.65 0.03 0.10 0.10 0.10 0.25 0.50
ERXXS-G
Not specified
* Single values shown in the table are maximum values.
AWS
Classification
Chemical composition of weld metal from metal cored wire, wt % *
C Mn Si P S Ni Cr Mo V Ti Zr Al Cu Other
elements
total
E80C-B2 0.05-0.12 0.40-1.00 0.25-0.60 0.025 0.030 0.20 1.00-1.50 0.40-0.65 0.03 – – – - 0.50
E70C-B2L 0.05 0.40-1.00 0.25-0.60 0.025 0.030 0.20
1.00-1.50 0.40-0.65
0.03
– – – 0.35 0.50
E90C-B3 0.05-0.12 0.40-1.00 0.25-0.60 0.025 0.030 0.20 2.00-2.50
0.90-1.20
0.03 – – –
0.35 0.50
E80C-B3L 0.05 0.40-1.00 0.25-0.60 0.025 0.030 0.20
2.00-2.50 0.90-1.20
0.03 – – –
0.35 0.50
E80C-B6 0.10 0.40-1.00 0.25-0.60 0.025 0.025 0.60
4.50-6.00 0.45-0.65
0.03 – – –
0.35 0.50
E80C-B8 0.10 0.40-1.00 0.25-0.60 0.025 0.025 0.20
8.00-10.50 0.80-1.20
0.03 – – –
0.35 0.50
E90C-B9 0.08-0.13 1.20** 0.50 0.020 0.015 0.80**
8.00-10.50 0.85-1.20
0.15-0.30 – –
0.04 0.20 0.50
E80C-Ni 1 0.12 1.50 0.90 0.025 0.030 0.80-1.10
– 0.30
0.03
– – – 0.35 0.50
E70C-Ni2 0.08 1.25 0.90 0.025 0.030 1.75-2.75
– –
0.03
– – – 0.35 0.50
E80C-Ni2 0.12 1.50 0.90 0.025 0.030 1.75-2.75
– –
0.03
– – – 0.35 0.50
E80C-Ni3 0.12 1.50 0.90 0.025 0.030 2.75-3.75
– –
0.03
– – – 0.35 0.50
E90C-D2 0.12 1.00-1.90 0.90 0.025 0.030 –
– 0.40-0.60
0.03
– – – 0.35 0.50
E90C-K3 0.15 0.75-2.25 0.80 0.025 0.025 0.50-2.50
0.15 0.25-0.65
0.03
– – – 0.35 0.50
E100C-K3 0.15 0.75-2.25 0.80 0.025 0.025 0.50-2.50
0.15 0.25-0.65
0.03
– – – 0.35 0.50
E110C-K3 0.15 0.75-2.25 0.80 0.025 0.025 0.50-2.50
0.15 0.25-0.65
0.03
– – – 0.35 0.50
E110C-K4 0.15 0.75-2.25 0.80 0.025 0.025 0.50-2.50
0.15-0.65 0.25-0.65
0.03
– – – 0.35 0.50
E120C-K4 0.15 0.75-2.25 0.80 0.025 0.025 0.50-2.50
0.15-0.65 0.25-0.65
0.03
– – – 0.35 0.50
E80C-W2 0.12 0.50-1.30 0.35-0.80 0.025 0.030 0.40-0.80
0.45-0.70 –
0.03
– – – 0.30-0.75 0.50
EXXC-G Not specified
* Single values shown in the table are maximum values. ** Max 1.50% of Mn and Ni in total.