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COATED ELECTRODES
Guide to EN 1600-1977 Covered electrode/ manual metal arc welding.
E
Type of electrode covering: R= rutile covering B= basic covering
23 12 2L
R
3
Symbol Metal recovery, % Type of current 1 2 3 4 5 6 7 8
2
AC+DC DC AC+DC DC AC+DC DC AC+DC DC
≤105 ≤105 >105 ≤ 125 >105 ≤ 125 >125 ≤ 160 >125 ≤ 160 >160 >160
Symbol
Welding positions
1 2 3
4 5
All positions
All positions, except vertical down Flat butt weld, flat fillet weld, horizontal-vertical fillet weld. Flat butt weld, flat fillet weld. Vertical down and positions according to symbol 3.
Chemical composition of all-weld metal, %*
Alloy Symbol
C
Si
Mn
P
S
Cr
Ni
Mo
Martensitic/ferritic 13 13 4 17
0.12 0.06 0.12
1.0 1.0 1.0
1.5 1.5 1.5
0.030 0.030 0.030
0.025 0.025 0.025
11.0-14.0 11.0-14.5 16.0-18.0
3.0-5.0 -
0.4-1.0 -
-
Austenitic 19 9 19 9L 19 9 Nb 19 12 2 19 12 3 L 19 12 3 Nb 19 13 4 N L
0.08 0.04 0.08 0.08 0.04 0.08 0.04
1.2 1.2 1.2 1.2 1.2 1.2 1.2
2.0 2.0 2.0 2.0 2.0 2.0 1.0-5.0
0.030 0.030 0.030 0.030 0.030 0.030 0.030
0.025 0.025 0.025 0.025 0.025 0.025 0.025
18.0-21.0 18.0-21.0 18.0-21.0 17.0-20.0 17.0-20.0 17.0-20.0 17.0-20.0
9.0-11.0 9.0-11.0 9.0-11.0 10.0-13.0 10.0-13.0 10.0-13.0 12.0-15.0
2.0-3.0 2.5-3.0 2.5-3.0 3.0-4.5
Nb Nb
N 0.20
Austenitic-ferritic. High corrosion resistance 22 9 3 N L 0.04 1.2 25 7 2 N L 0.04 1.2 25 9 3 Cu N L 0.04 1.2 25 9 4 N L 0.04 1.2
2.5 2.0 2.5 2.5
0.030 0.035 0.030 0.030
0.025 0.025 0.025 0.025
21.0-24.0 24.0-28.0 24.0-27.0 24.0-27.0
7.5-10.5 6.0-8.0 7.5-10.5 8.0-10.5
2.5-4.0 1.0-3.0 2.5-4.0 2.5-4.5
N 0.08-0.20
N 0.20
N 0.10-0.25, Cu 1.5-3.5 N 0.20-0.30, Cu 1.5, W 1.0
Fully austenitic. High corrosion resistance 18 15 3 L 0.04 1.2 18 16 5 N L 0.04 1.2 20 25 5 Cu N L 0.04 1.2 20 16 3 Mn N L 0.04 1.2 25 22 2 N L 0.04 1.2 27 31 4 Cu L 0.04 1.2
1.0-4.0 1.0-4.0 1.0-4.0 5.0-8.0 1.0-5.0 2.5
0.030 0.035 0.030 0.035 0.030 0.030
0.025 0.025 0.025 0.025 0.025 0.025
16.5-19.5 17.0-20.0 19.0-22.0 18.0-21.0 24.0-27.0 26.0-29.0
14.0-17.0 15.5-19.0 24.0-27.0 15.0-18.0 20.0-23.0 30.0-33.0
2.5-3.5 3.0-5.0 4.0-7.0 2.5-3.5 2.0-3.0 3.0-4.5
N 0.20 Cu 1.0-2.0, N 0.25 N 0.20 N 0.20 Cu 0.6-1.5
Special types 18 8 Mn 18 9 Mn Mo 20 10 3 23 12 L 23 12 Nb 23 12 2 L 29 9
Other elements
0.20 0.04-0.14 0.10 0.04 0.10 0.04 0.15
1.2 1.2 1.2 1.2 1.2 1.2 1.2
4.5-7.5 3.0-5.0 2.5 2.5 2.5 2.5 2.5
0.035 0.035 0.030 0.030 0.030 0.030 0.035
0.025 0.025 0.025 0.025 0.025 0.025 0.025
17.0-20.0 18.0-21.5 18.0-21.0 22.0-25.0 22.0-25.0 22.0-25.0 27.0-31.0
7.0-10.0 9.0-11.0 9.0-12.0 11.0-14.0 11.0-14.0 11.0-14.0 8.0-12.0
0.5-1.5 1.5-3.5 2.0-3.0 -
Nb -
Heat resisting types 16 8 2 0.08 19 9 H 0.04-0.08 25 4 0.15 22 12 0.15 25 20 0.06-0.20 25 20 H 0.35-0.45 18 36 0.25
1.0 1.2 1.2 1.2 1.2 1.2 1.2
2.5 2.0 2.5 2.5 1.0-5.0 2.5 2.5
0.030 0.030 0.030 0.030 0.030 0.030 0.030
0.025 0.025 0.025 0.025 0.025 0.025 0.025
14.5-16.5 18.0-21.0 24.0-27.0 20.0-23.0 23.0-27.0 23.0-27.0 14.0-18.0
7.5-9.5 9.0-11.0 4.0-6.0 10.0-13.0 18.0-22.0 18.0-22.0 33.0-37.0
1.5-2.5 -
-
3.01
* Single values shown in the table are maximum values.
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