|
LOW HYDROGEN ELECTRODE
RASI E-9018 - B3
IRON POWDER TYPE
IRON POWDER LOW HYDROGEN ELECTRODE, YEILDING 2.25% Cr & 1% Mo |
|
CLASSIFICATIONS
IS : 1395 E-63B326 Fe AWS / SFA 5.5E 9018-B3 |
|
CHARACTERSTICS
RASI E 9018 - B3 is a medium heavy coated, hydrogen controlled Iron powder
type all position electrode with a deposition efficiency of approximately
105% the weld metal is having 2.25% Cr, 1% Mo. Welds are radiographically
sound, Creep resistance upto 600°C. |
|
APPLICANTIONS
Suitable for welding of similar Cr-Mo steels such as German 10Cr Mo9 and
10Cr Si Mo V7. Low alloy steel boilers and piping operating at Service
temperature upto 6000C. In oil refinery thermal and chemical plant, repair
of high tensile steel castings.
|
ALL WELD METAL CHEMICAL
COMPOSITION
| ELEMENT |
C |
Mn |
Si |
Cr |
Mo |
S |
P |
| % |
0.12 |
0.9 |
0.80 |
2.5 |
1.2 |
0.03 |
0.03 |
|
|
ALL WELD METAL MECHANICAL PROPERTIES
| UTS (N/mm2) |
Ys (N/mm2) |
Elongation % |
| 620 |
530 |
20 |
Note: Single Values shown above
are maximum |
WELDING CURRENT AND PACKING DATA : AC 70
/ DC +
| Dia (mm) |
2.5 x 300 |
3.15 x 450 |
4 x 450 |
5 x 450 |
| Current (A) |
70-100 |
100-140 |
140-180 |
180-230 |
| Pieces / Pkt |
100 |
60 |
45 |
30 |
| Pkts / Boxs |
8 |
8 |
8 |
8 |
|
|
STORAGE
Re-dry the Electrode at 300°C for 1 Hr, use short arc during welding store
the electrode in dry conditions. |
Conventional
