CROMOTHERME-9(SPL) - E9018-G
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Electrodes for Creep Resisting Steels

CROMOTHERME-9(SPL)

AWS: SFA 5.5 E9018-G

A low hydrogen electrode deposits 9Cr-1Mo and enriched with Niobium, Vanadium, Nitrogen and tungsten. Tungsten additions provides adequate creep rupture strength at higher steam pressures and temperatures. The controlled addition of alloying elements improves the toughness and weldability. It is designed to weld advanced materials, which are being used to improve thermal efficiency in power plant, refineries etc. Ideal for welding steels of similar composition to achieve adequate creep rupture strength. Some typical materials where this electrode can be used are P92, Rotor Steel, E 911 steels, GX12 Cr Mo W V Nb W11etc.

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.

CHEMICAL COMPOSITION OF ALL WELD METAL (%)


Element
CMnSiPSCrNiMoVNbNAlCuW
Percent
0.090.800.250.120.0079.000.600.900.210.060.050.020.070.90


MECHANICAL PROPERTIES OF ALL WELD METAL


UTSYSElongation
(MPa)
(MPa)
(L= 4d)%
80062019


CURRENT AND PACKING DATA: DC (+)


Size (mm)
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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