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Guide to ISO 17632-A: Cored wires for non-alloy and fine grain steels
T 46 3 1Ni B M 4 H5
Tubular cored
electrode/ metal
arc welding
Symbol Yield Strength
min. MPa
Tensile Strength
MPa
Elongation
min. %
35 355 440-570 22
38 380 470-600 20
42 420 500-640 20
46 460 530-680 20
50 500 560-720 18
Symbol Impact Energy
Charpy-V
Temp °C for 47J min.
Z No requirements
A +20
0 0
2 –20
3 –30
4 –40
5 –50
6 –60
Symbol Chemical composition of all-weld metal , % *
Mn Ni Mo
No symbol 2.0 – –
Mo 1.4 – 0.3 - 0.6
MnMo 1.4 - 2.0 – 0.3 - 0.6
1Ni 1.4 0.6 - 1.2 –
1.5Ni 1.6 1.2 - 1.8 –
2Ni 1.4 1.8 - 2.6 –
3Ni 1.4 2.6 - 3.8 –
Mn1Ni 1.4 - 2.0 0.6 - 1.2 –
1NiMo 1.4 0.6 - 1.2 0.3 - 0.6
AZ ny other agreed composition
* If not specified Mo<0.2, Ni <0.5, Cr < 0.2, V <0.08, Nb <0.05, Cu < 0.3
and for electrodes witout a gas shield Al<2.0
Single values shown in the table are maximum values.
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
Symbol Characteristics Types of weld Shielding gas
Singel-pass Multiple-pass
R Rutile, slow freezing slag X X Required
P Rutile, fast freezing slag X X Required
B Basic X X Required
M Metal powde Xr X Required
V Rutile or basic/fluoride X Not required
W Basic/fluoride, slow freezing slag X X Not required
Y Basic/fluoride, fast freezing slag X X Not required
Z Other types
Symbol Hydrogen content,
ml/100 g deposited
weld metal, max.
H5 5
H10 10
H15 15
Symbol Shielding gas
M EN ISO 14175
Mixed gas without helium
C
Carbon dioxide
EN ISO 14175