MOLYTHERME (Extra); AWS: SFA 5.5 E8018-D3; Electrodes for Creep Resisting Steels


Description

Molytherme-Extra is a low hydrogen electrode yielding a weld deposit containing Mn- Mo. The electrode is ideally suited for welding steels of similar composition. The weld metal possesses good high temperature properties and has excellent toughness.

Approvals
BHEL
CE
CHEMICAL COMPOSITION OF ALL WELD METAL (%)


Element
C Mn Si Mo S P
Percent
0.07 1.25 0.40 0.55 0.015 0.018


MECHANICAL PROPERTIES OF ALL WELD METAL

(PWHT : 620 C FOR 1 HR)

UTS YS Elongation
CVN Impact Strength (J)
(MPa)
(MPa)
(L= 5d)%
at Minus 51°C
604 495 25.0
28



CURRENT AND PACKING DATA: DC (+)


Size (mm)
6.3x450 5x450 4x350
3.15x350
2.5x350
Current Range (Amps)
270-340 170-240 140-170
100-130
70-90
Qty. (Pcs./Carton)
25 35 55
75 125

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