CROMOTHERME-23 - E9018-G
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Electrodes for Creep Resisting Steels

CROMOTHERME-23

AWS: SFA 5.5 E9015-B23

Cromotherme-23 is a basic coated, low hydrogen type electrode depositing a weld metal of having less impurities i.e. S, P will improve the impact property at subzero temperatures. It is ideally suited for welding of creep resisting steels of similar composition. The weld deposit has excellent creep resistance at service temperatures up to 550°C. Typical applications include welding of P23 steels wherever prolonged heat treatment cycles are involved.

Precaution

1. Ensure the electrodes are dry. Re-dry the electrodes at 300°C for one hour.

2. Use short arc, low current and stringer beads.

Approvals
    Reliance
    Adani Infra
TYPICAL CHEMICAL COMPOSITION OF ALL WELD METAL


Element
CMnSiPSCrNiMoVNbNAlWCuB
Percent
0.060.70.30.010.0072.20.30.20.20.030.030.021.80.100.004


TYPICAL MECHANICAL PROPERTIES OF ALL WELD METAL

(PWHT: 740°C FOR 2 HRS)

UTSYSElongation
CVN Impact Strength (J)
(MPa)
(MPa)
(L= 4d)%
at Minus 0°C
64055022
40

Hot tensile

Temperature
UTS (MPa)
0.2% PS (MPa)
% El (L=4d)
500°C
41638011.2
550°C
37436719.2
580°C
34530422.1



CURRENT AND PACKING DATA: DC (+)


Size (mm) Dia x Length

5x4504x350
3.15x350
2.5x350
Current Range (Amps)
180-240140-180
100-130
70-100
Qty. (Pcs./Carton)
3555
75100


Electrodes for Creep Resisting Steels

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