GEEFLUX 525W X EB2

Welding flux for submerged –arc welding process

Fluoride –basic type : AWS/SFA 5.23 F8P2 EB2-B2

CHARACTERISTICS :

GEEFLUX 525W X EB2 recommended for welding various grades of creep resistance Cr-Mo steels such as ASTM A335 Gr p11,p12 A 182 F11 Plates B51501,part 2 Grade 620 and Grade 621

Damp flux must be redried at 300-350°C/for 2 to 3 hr

APPLICATIONS:

    Welding of various grades of chrome-moly steels.Pressure vessels, pipes, forgings etc.

Main constituents:

SiO2 + TiO2 CaO+MgO Al2O3+MnO CaF2
15% 40% 20% 25%

Basicity according to Boniszewski :Approx. 3.1

All – Weld metal analysis in %

Wire EB2
C = 0.05 – 0.15
Si = 0.20-0.60
Mn = 0.6 – 1.20
S = 0.020 max.
P = 0.020 max
Mo=0.40 – 0.65
Cr = 1.0 – 1.50
Cu = 0. 30 max

Mechanical properties of the deposited weld metal (With PWHT 6900C/min)

Wire PWHT 6900C/1hrs Ultimate Tensile Strength MPa 0.2% Proof Stress MPa Elongation (%) (L=4D) Charpy V-notch Impact strength in joules
EB2 550 min 480 min 22-28 Temp Joules
-20°C 50-100

Packing: 25.0Kg. flux in polythene lined bags