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GRIDUCT 128G

IDENTIFICATION
Griduct 128G, E 12018G

CLASSIFICATION
AWS/SFA 5.5 E12018G

DESCRIPTION
Basic coated, ultra low hydrogen high tensile low alloy steel electrode suitable for welding high tensile, fully killed fine grained low alloy steel. The electrode deposits X-ray / ultrasonic quality weld metal and can be used in all positions.

WELD METAL ANALYSIS (RANGE) %

C Cr Mn Si S Ni Mo P V
0.095 max 0.30 - 0.75 1.30 - 1.80 0.20 - 0.50 0.020 max 1.70 - 2.50 0.20 - 0.50 0.025 max 0.05 max

MECHANICAL PROPERTIES (RANGE)

TS (N/mm2) YS (N/mm2) EL (%) (L=4D) CVN Impact Value
      Temp Joules
850 - 950 720 - 800 16 - 22 -51°C 30 - 75

TYPICAL APPLICATIONS
•    For fabrication of penstocks, earthmoving equipments, cranes and other heavy steel fabrication made from high tensile steels.
•    Suitable for welding HY 80 and HY 100 steels, Q1 (N) submarine components cranes highly stressed plants.

DRYING OF THE ELECTRODES : 300 - 350°C / 2 hrs.
ASME IX QUALIFICATION : QW-432 F Number: 4, QW-442 A Number: 10
DIFFUSIBLE HYDROGEN CONTENT IN THE WELD METAL : Max. 3.0 ml / 100 g. of weld metal.

WELDING POSITION :

PACKING PARAMETERS

Size (mm) Length (mm) Amps DC (+) Packing / Box (kg) Packing / Box (Pcs)
2.5 350 60 – 80 5 x 4 = 20 160 x 4 = 640
3.15 / 3.20 450 70 – 110 5 x 4 = 20 110 x 4 = 440
4 450 100 – 155 5 x 4 = 20 70 x 4 = 280
5 450 150 - 200 5 x 4 = 20 45 x 4 = 180