SUPRATHERME-Ni (SPL); AWS: SFA 5.5 E8018-G; Electrodes for Low Temperature Service


Description

Supratherme-Ni(Spl) is a basic coated, low hydrogen, iron powder type electrode yielding a weld metal containing 1.5%Mn and 0.7%Ni. Excellent quality welds for welding heavy sections of fine grained high strength steels with particular reference to low temperature service down to minus 60°C. Typical applications include welding of fine grained Q&T steels for pressure vessels, tanks, penstocks, where high strength and sub-zero temperature toughness properties are of importance.

Approvals
CE
CHEMICAL COMPOSITION OF ALL WELD METAL (%)


Element
C Mn Si S P Ni
Percent
0.07 1.25 0.30 0.018
0.018
0.75


TYPICAL MECHANICAL PROPERTIES OF ALL WELD METAL
UTS YS Elongation
CVN Impact Strength (J)
(MPa)
(MPa)
(L= 4d)%
at Minus 50°C
565 515 27.0
60

DIFFUSIBLE HYDROGEN CONTENT: 5 ml / 100 gms of weld metal Max

WELDING PARAMETER: DC (+)


Size (mm)
6.3x450 5x450 4x450
3.15x450
2.5x350
Current Range (Amps)
270-330 220-280 160-190
110-135
80-100
Qty. (Pcs./Carton)
25 35 55 75 100

 

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