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Electrodes for Creep Resisting Steels

CROMOTHERME-9

AWS: SFA 5.5 E8018-B8 EN ISO CODE: 3580-A E CrMo9 B 4 2

Cromotherme-9 is a low hydrogen electrode yielding 9Cr - 1Mo deposit having excellent creep strength up to 600°C and resistance to oxidizing atmospheres up to 700°C. Ideal for combating mineral oil attack at elevated temperatures. Applications include welding of 7 to 10Cr - 1Mo steels.

Precaution

1. Ensure the electrodes are dry. Re-dry the electrodes at 250-300 C for one hour.

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

Approvals
    CE
    PDIL
    BHEL
    CIB-MP
CHEMICAL COMPOSITION OF ALL WELD METAL (%)


Element
CMnSiPSCrNiMoVNbCu
Percent
0.0750.700.400.0160.0108.600.101.000.020.0040.02


MECHANICAL PROPERTIES OF ALL WELD METAL


PWHTUTSYSElongation
CVN Impact Strength (J)

(MPa)
(MPa)
(L= 5d)%
at Minus 20°C
740°C for 1 Hr
62051825
-
760°C for 2 Hrs
61051026110



CURRENT AND PACKING DATA: DC (+)


Size (mm)
6.3x4505x4504x350
3.15x350
2.5x350
Current Range (Amps)
280-350180-240140-180
100-130
70-100
Qty. (Pcs./Carton)
253555
75125