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Symbol Welding position
1 All positions
2 All positions, except vertical down
3 Flat butt weld, flat fillet weld, horizontal-vertical fillet weld
4 Flat butt weld, flat fillet weld
5 Vertical down and positions according to symbol 3
Alloy
Symbol
Chemical composition of all-weld metal , % *
C Si Mn P S Cr Ni Mo Other elements
Martensitic/ferritic
13 0.12 1.0 1.5 0.030 0.025 11.0-14.0 0.3 0.3 Cu 0.5
13 Ti 0.10 1.0 0.80 0.030 0.030 10.5-13.0 0.3 0.3 Cu 0.5, 10 x C - 1.5
13 4 0.06 1.0 1.5 0.030 0.025 11.0-14.5 3.0-5.0 0.4-1.0 Cu 0.5
17 0.12 1.0 1.5 0.030 0.025 16.0-18.0 0.3 0.3 Cu 0.5
Austenitic
19 9 L 0.04 1.2 2.0 0.030 0.025 18.0-21.0 9.0-11.0 0.3 Cu 0.5
19 9 Nb 0.08 1.2 2.0 0.030 0.025 18.0-21.0 9.0-11.0 0.3 Cu 0.5, Nb 8 x C- 1.1
19 12 3 L 0.04 1.2 2.0 0.030 0.025 17.0-20.0 10.0-13.0 2.5-3.0 Cu 0.5
19 12 3 Nb 0.08 1.2 2.0 0.030 0.025 17.0-20.0 10.0-13.0 2.5-3.0 Cu 0.5, Nb 8 x C-1 .1
1
9 13 4 N L 0.04 1.2 1.0-5.0 0.030 0.025 17.0-20.0 12.0-15.0 3.0-4.5 Cu 0.5, N 0.08-0.20
Austenitic-ferritic. High corrosion resistance.
22 9 3 N L 0.04 1.2 2.5 0.030 0.025 21.0-24.0 7.5-10.5 2.5-4.0 Cu 0.5, N 0.08-0.20
Fully austenitic. High corrosion resistance.
18 16 5 N L 0.03 1.0 1.0-4.0 0.03 0.02 17.0-20.0 16.0-19.0 3.5-5.0 Cu 0.5, N 0.10-0.20
Special types
18 8 Mn 0.20 1.2 4.5-7.5 0.035 0.025 17.0-20.0 7.0-10.0 0.3 Cu 0.5
20 10 3 0.08 1.2 2.5 0.035 0.025 19.5-22.0 9.0-11.0 2.0-4.0 Cu 0.5
23 12 L 0.04 1.2 2.5 0.030 0.025 22.0-25.0 11.0-14.0 0.3 Cu 0.5
23 12 2 L 0.04 1.2 2.5 0.030 0.025 22.0-25.0 11.0-14.0 2.0-3.0 Cu 0.5
29 9 0.15 1.2 2.5 0.035 0.025 27.0-31.0 8.0-12.0 0.3 Cu 0.5
Heat resisting types
22 12 H 0.15 1.2 2.5 0.030 0.025 20.0-23.0 10.0-13.0 0.3 Cu 0.5
25 20 0.06-0.20 1.2 1.0-5.0 0.030 0.025 23.0-27.0 18.0-22.0 0.3 Cu 0.5
* Single values shown in the table are maximum values.
Guide to ISO 17633-A: Cored wires for stainless steels
T 19 12 3L R M 4
Tubular cored
electrode/metal
arc welding
Symbol Type of electrode core
R Rutile, slow freezing slag
P Rutile, fast freezing slag
M Metal powder
U Selfshielding
Z Other types
Symbol Shielding gas
M ISO 14175-M2
Mixed gas without helium
C ISO 14175-C1
Carbon dioxide
N Without a gas shield