CROMOTHERME-9L(MOD) - E8018-B8L
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Electrodes for Creep Resisting Steels

CROMOTHERME-9L(MOD)

AWS: SFA 5.5 E8018-B8L

A low hydrogen type electrode specially designed for welding of ferritic- martensitic chrome steels. The weld deposit contains low carbon, low sulphur, low phosphorous, 9Cr - 1Mo air hardanable weld metal calls for suitable preheat and post weld heat treatment. Weld deposits are of radiographic quality. Typical applications include welding of A387 Gr.9 plate, A335 P9 pipe, A217 C12 castings, A213 T9 tubes, 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.

CHEMICAL COMPOSITION OF ALL WELD METAL (%)


Element
CMnSiPSNiCrMo
Percent
0.040.600.450.0120.0100.10

9.50

1.00


TYPICAL MECHANICAL PROPERTIES OF ALL WELD METAL:

(PWHT: 740 C FOR 1 HR)  

UTSYSElongation
(MPa)
(MPa)
(L= 5d)%
57448524.0



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
Weight (Carton/ Kgs)
22
2
2


Electrodes for Creep Resisting Steels

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