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Electrodes for Low Temperature Service

SUPRATHERME (SPL)

AWS: SFA 5.1 E7018-1 IS: 814EB5626H3JX EN ISO CODE: 2560-A E 42 4 B 3 2

An iron powder, low hydrogen type electrode producing a tough and ductile weld metal for welding heavy and rigid structures subjected to dynamic loading and impact. The weld metal is of radiographic quality and displays remarkable impact strength even at minus 50°C. Typical applications include welding of carbon steels, steels sensitive to hydrogen embrittlement, heavy and rigid structures, pressure vessels and equipment subjected to severe stress and requiring good toughness properties at sub-zero temperatures down to minus 50°C.

Precaution

1. Re-dry the electrodes at 250-300 C for one hour, as per our standard recommended practice.

2. Use short arc and stringer bead.

Approvals
    CE
    EIL
    PDIL
    ABS
    BHEL
    NTPC
    CIB-MP
    NPCIL
    L&T Power
    Reliance
    NPCL
    Adani Infra
CHEMICAL COMPOSITION OF ALL WELD METAL (%)


Element
CMnSiSP
Percent
0.061.400.250.0250.025


MECHANICAL PROPERTIES OF ALL WELD METAL


UTSYSElongation
CVN Impact Strength (J)
CVN Impact Strength (J)
(MPa)
(MPa)
(L= 5d)%
at Minus 45°C
at Minus 40°C
55045528.0
50
60

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


CURRENT AND PACKING DATA: AC / DC(+)


Size (mm)
6.3x4505x4504x4503.15x450
2.5x350
Current Range (Amps)
270-350200-280150-180100-135
80-100
Qty. (Pcs./Carton)
255070100150