GEEFLUX 541 X EB2R

Fluoride –basic type
SPECIFICATION : AWS/SFA 5.23  F8P2 EB2R-B2R

Welding flux for submerged –arc welding process

CHARACTERISTICS :

GEEFLUX 541 X EB2R recommended for welding various grades of creep resistance Cr-Mo steels such as ASTM A335 Gr p11, ASTM A387 Gr 11 and equivalents

Flux must be redried at 400-4500C/for 2 to 3 hr

TYPICAL APPLICATION :

  • 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 typical values in %

Wire EB2R

C = 0.07 – 0.15
Si = 0.05-0.30
Mn = 0.50 – 1.0
S = 0.010 max.
P = 0.010 max
Mo= 0.45 - 0.65
Cr = 1.0 - 1.75
Cu = 0.30 max
As = 0.005 max
Sn = 0.005 max
Sb = 0.005 max

X factor = max 15 :

Mechanical properties of the deposited weld metal (With PWHT 6900C/1 to 6 hrs) :

Wire

PWHT

6900C/1 to 6 hrs

Ultimate Tensile Strength MPa 0.2% Proof Stress MPa

Elongation

(%) (L=4D)

Charpy V-notch Impact strength in joules
EB2R
5060 min 480 min. 17 min Temp Joules

-180C

54 min

Packing: 25.0Kg. flux in polythene lined bags