CLASSIFICATION & CODING
- AWS A / SFA 5.1 : E7018
- Coating Type : Iron
- Identification : Name Printed
CHARACTERISTICS
A low hydrogen,iron powder electrode.It gives excellent arc stability,it has exceptional all–positional operating characteristics giving x-ray quality welds even for pipe welding in 5G and 6G.
APPLICATION
1) Welding of Storage tanks
2) Pipes, Pressure Vessels
3) Boilers. Bridges
4) Heavy Structures
AVAILABILITY
Standard Size : 5.0 , 4.0, 3.15 and 2.5 in 350/450 mm length.
Packing : 350 & 450 mm in 2.5 & 5.0 kg.
ALL WELD METAL CHEMICAL COMPOSITION ( Typical ) :
Carbon%
0.04- 0.09
Manganese%
0.80 -1.60
Silicon%
0.30 – 0.70
Sulphur%
0.030 Max
Phosphorous%
0.030 Max
Diffusible H2 Content
< 5 ml / 100 gm
Condition
As-Welded
UTS (MPa)
480 – 620
YS (MPa)
420 -560
% Elong. (L=4Xd)
23 -30
CVN Impacts, 30° C , J
30-70
CURRENT & CONDITIONS : USE AC ( 70 V ), DC(+)
5.0
180-240
4.0
140-180
3.15
100-130
2.50
60-90
WELDING POSITION
F , H , V-up, OH
REDRYING CONDITIONS
300 Deg C for one hour.