Basic type, medium heavy coated, Hydrogen controlled iron powder type Electrode for Cr-Mo-V low alloy steel.
CLASSIFICATION : AWS/SFA-5.5: E 9018 G
IS-1395: E 63 BG 129Fe
CHARACTERISTICS : Basic type ,iron powder, hydrogen controlled medium heavy coated electrode producing 1.5 Cr 1.0% Mo and 0.2 V weld deposit. Electrode has high welding efficiency coupled with creep resistance properties at high temperature and has excellent mechanical properties.
APPLICATION :
1) Suitable for high pressure boiler tubes and plates.
2) Fabrication for welding Cr-Mo-V steels used for elevated temperature services up to 600°C.
3) suitable for fine grained and creep resistant steel welding.
4) Suitable for steel , thermal and chemical plants.
ALL WELD CHEMICAL COMPOSITION %
C |
Mn |
Si |
Cr |
Ni |
Mo |
V |
P |
|
0.07-0.12 |
0.90 max |
0.60 max |
1.20-1.50 |
0.40 max |
0.90-1.10
|
0.15-0.25 |
0.030 max |
0.030 max |
ALL WELD MECHANICAL PROPERTIES( AS WELDED ):
YS(0.2% offset) (N/mm2) |
UTS (N/mm2) |
EL % (l=5d) |
CHARPY “V” NOTCH IMPACT AT |
650 Min |
800 Min |
10 Min |
+270C : 20 J (Min.) |
YS(0.2% offset) (N/mm2) |
UTS (N/mm2) |
EL % (l=5d) |
CHARPY “V” NOTCH IMPACT AT |
600 Min |
700 Min |
16 Min |
+270C : 70 J (Min.) |
Size(mm) (DXL) |
Size(inch) (DXL) |
Current Condition (DC+/AC 70V) |
No. of Pcs./pkt. |
No. of Pcs./Case |
2.50/ 2.40 X 350 |
3/ 32” X 14” |
70-100 |
170 |
680 |
3.15/ 3.20 X 450 |
1/ 8” X 18” |
100-140 |
110 |
440 |
4.00 X 450 |
5/ 32” X 18” |
140-190 |
72 |
288 |
5.00 X 450 |
3/ 16” X 18” |
200-250 |
50 |
200 |
Customer packing on request.