CROMOTHERME-92 - E9015-B92
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Electrodes for Creep Resisting Steels

CROMOTHERME-92

AWS: SFA 5.5 E9015-B92

A low hydrogen non synthetic electrode deposits 9Cr – 0.5Mo - 1.7W and enriched with Niobium, Vanadium and Nitrogen. 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 that are welded with this consumable are A213 T92, A335 P92, A387Gr 92, etc.

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
    CIB-MP
TYPICAL CHEMICAL COMPOSITION OF ALL WELD METAL


Element
CMnSiPSCrNiMoVNbNAlWCuB
Percent
0.100.60.350.0120.0079.00.50.50.20.060.050.021.70.100.004


TYPICAL MECHANICAL PROPERTIES OF ALL WELD METAL

(PWHT: 760°C FOR 2 HRS)

UTSYSElongation
Hardness
(MPa)
(MPa)
(L= 4d)%
(BHN)
69058019
225

CREEP PROPERTIES: Creep Strength at 600°C/160 MPa successfully completed for 20157 Hours and test still going on.

CURRENT AND PACKING DATA: DC (+)


Size (mm) Dia x Length

5x4504x350
3.15x350
2.5x350
Current Range (Amps)
160-220120-160
90-120
70-100
Qty. (Pcs./Carton)
3050
75100


Electrodes for Creep Resisting Steels

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