Selecting Suitable Electrodes For A Welding Task - Elektra Beckum Welding Transformers and Rectifiers SB 160 C Operating Instructions Manual

3.1.3 Classification of Stick Electrodes
according to Table 3 of DIN 1913
Grade Stick Electrode
Type
A 2
2
R 2
R 3
3
R(C) 3
4
C 4
RR 5
5
RR(C) 5
RR 6
6
RR(C) 6
A7
7
AR 7
RR(B) 7
RR 8
8
RR(B) 8
B 9
9
B(R) 9
B 10
10
R(R) 10
RR 11
11
AR 11
B 12
12
B(R) 12

3.1.4 Selecting suitable Electrodes for a Welding Task

Component
Coating Weld
Thickness Position
light 1
2 (1)
medium
1
2
1
2
1
heavy
2
1
2
(high-
4 (3)
performance
electrodes)
Welding Task
out-of position
welding of butt and
fillet welds on thin-
walled extrusion
horizontal or gravity
position fillet welds
on long beams with
"a" = 5 mm
gravity position
double-V welds on
thick plate tow bars
out-of-position fillet
welds on bracket of
10 mm thick plate
out-of-position butt
welds on pipelines
Code for Welding Position
according to Table 4 of DIN 1913
Code Weld Position
1 all
2 all except vertical-down w, h, hü, s, q, ü
3 gravity position
fillet weld
gravity position
horizontal
4 gravity position
Stick Electrode Type
RR 6
RR 8
RR 11
AR 11
B 10
RR(B) 7
RR(B) 8
weld 1:
C 4
16
Code Letter For
Welding Position
w, h, hü, s, f, q, ü
w
w
h
w