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Electrodes for Creep Resisting Steels

CROMOTHERME-1

AWS: SFA 5.5 E8018-B2 IS: 1395 E55 B B2 2 6 Fe EN ISO CODE: 3580-A E CrMo1 B 4 2

Cromotherme-1 is low hydrogen iron powder type electrodes yielding a weld deposit containing 1.25% Cr - 0.5% Mo. Excellent for welding creep resistant 0.5Cr - 0.5Mo, 1Cr - 0.5Mo steels. The weld deposit has excellent creep resistance at service temperatures up to 550°C.

Precaution

1. Re-dry the electrodes at 250-300 C for one hour, as per our standard recommended practice.

2. Use short arc and stringer bead.

Approvals
    CE
    EIL
    PDIL
    BHEL
    BV
    NTPC
    CIB-MP
    L&T Power
    Adani Infra
CHEMICAL COMPOSITION OF ALL WELD METAL (%)


Element
CMnSiCrMoSP
Percent
0.0600.800.441.250.550.0200.025


MECHANICAL PROPERTIES OF ALL WELD METAL

(PWHT : 690 C FOR 1 HR)

UTSYSElongation
Creep Strength at 550°C
(MPa)
(MPa)
(L= 5d)%
(1%offset in 10,000 hrs)
59451525
12 kgf/mm2



CURRENT AND PACKING DATA: DC (+)


Size (mm)
6.3x4505x4504x450
3.15x450
2.5x350
Current Range (Amps)
250-300180-240140-180
100-130
70-100
Qty. (Pcs./Carton)
253555
75125


IDENTIFICATION MARK:

 NAME PRINTED