Low Alloy Electrodes for Low Temperature services

CLASSIFICATION : AWS/SFA-5.5: E 7018-A1
IS-1395: E 49BA 126Fe
CHARACTERISTICS :

An iron powder, hydrogen controlled medium heavy coated electrode producing 0.50% Mo weld deposit. Electrode has high welding efficiency coupled with creep resistance properties at 525°C temperature and has excellent mechanical properties.

APPLICATION :
RE-DRY CONDITION : Re-Dry the electrode at 250°C-300°C for one hour, for best results.
ALL WELD CHEMICAL COMPOSITION %
CMnSiSPMo
0.12 max.0.90 Max0.60 Max0.030 Max0.030 Max0.40-0.65
ALL WELD MECHANICAL PROPERTIES :
YS (N/mm²) UTS (N/mm²) EL % (l=4d) CHARPY “V” NOTCH IMPACT AT
390 Min 490 Min 22 Min +27°C : 140 J (Min.)
DIMENSION, CURRENT CONDITION & PACKING DATA
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” 70-100 170 640
3.15/ 3.20 X 450 1/ 8” X 18” 100-130 110 440
4.00 X 450 5/ 32” X 18” 140-180 72 288
5.00X450 3/ 16” X 18” 190-230 50 200
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