Datasheet

27/07/2016
MADE in Italia
www.gys.fr
A
B
NON-ALLOY STEELS
UNIVERSAL BASIC (7018)
MMA COATED
ELECTRODES
Basic universal electrode for welding highly stressed steel assemblies (carbon and carbon man-
ganese, tensile strength up to 560 MPa). It’s mechanical properties are excellent, especially at
low temperatures.
Classication
EN ISO 2560-A : E 42 4 B 4 2 H5
AWS A 5.1 : E 7018-1
Applications
• Pipework,
• Pressurised tanks,
• Shipyards,
• Oshore oil platforms,
• High quality steel constructions.
Benets
• Excellent mechanical properties.
• Low hydrogen concentration.
Positions and polarity
• Ignition from 70V - Direct current.
• Electrode polarity : (+) for thin sheets/
penetration and (-) for lling.
Chemical properties
C % Mn % Si % S % P %
0.05 1.40 0.40 0.020 0.015
Mechanical properties
Re Rm A 5 d KV -40 °C
470 MPa 560 MPa 26% 60 J
Recommendations
Ø électrode
(mm)
2.0 2.5 3.2 4.0
thickness (mm)
1,5 3 2,5 6 5 8 8 +
welding current (A)
20 50 60 110 90 140 130 190
Approval
TÜV - RINA - ABS - LRS - DNV
Packaging
(2 kg) SOUS VIDE
Ø (mm) length (mm)
x...
A 066717 Ø 2.0 300 13
A 066724 Ø 2.5 350 10
B 081918
Ø 2.5 350
210
B 081970 84
A 066731 Ø 3.2 350 7
B 081925
Ø 3.2 350
130
B 081987 54
A 066748 Ø 4.0 350 6
B 081932
Ø 4.0 350
96
B 081994 38