CLASSIFICATION & CODING
- AWS A / SFA 5.1 : E7016
- Coating Type : Low Hydrogen Potassium
- Identification : Name Printed
CHARACTERISTICS
Basic coated low hydrogen electrode, Ductile weld metal provide superior crack resistance and radiographic weld deposite.
APPLICATION
1) Joining cast iron to mild steel
2) Repair of cast iron
3) Buffer layer before hardfacing
4) Butt welding of rail ends
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- 0.10
Manganese%
0.80 -1.50
Silicon%
0.25 – 0.65
Sulphur%
0.030 Max
Phosphorous%
0.030 Max
Diffusible H2 Content
< 5 ml / 100 gm
Condition
As-Welded
UTS (MPa)
510 – 620
YS (MPa)
440 -560
% Elong. (L=4Xd)
24 -30
CVN Impacts, 30° C , J
50-80
Hardness ( BHN )
200 Max
CURRENT & CONDITIONS : USE AC ( 70 OCV ) / DCEP
5.0
180-230
4.0
130-170
3.15
90-120
2.50
60-80
WELDING POSITION
F, V, OH, H
REDRYING CONDITIONS
250 - 300 Deg C for one hour.