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Electrodes for Creep Resisting Steels

CROMOTHERME-2

AWS: SFA 5.5 E9018-B3 IS: 1395 E63 B B3 2 6 Fe EN ISO CODE: 3580-A E CrMo2 B 4 2

Cromotherme-2 is an iron powder, low hydrogen electrode producing a weld deposit containing 2.25Cr - 1Mo which is oxidation resistant up to 575 C. Suitable for welding 2.25Cr - 1Mo, Cr-Mo-V steels as well as cast steels of similar composition.

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
    NTPC
    CIB-MP
    Reliance
    Adani Infra
CHEMICAL COMPOSITION OF ALL WELD METAL (%)


Element
CMnSiCrMoSP
Percent
0.0600.800.442.401.100.0200.025


MECHANICAL PROPERTIES OF ALL WELD METAL

(PWHT: 690 C FOR 1 HR)

UTSYSElongation
CVN Impact Strength
Creep Strength
(MPa)
(MPa)
(L= 5d)%
at 20°C (Joules)
(1% offset in 10,000 hrs)
64455422.0
70
at 550°C-12 kgf/mm²




at 575°C-8.5 kgf/mm²


CURRENT AND PACKING DATA: DC (+)


Size (mm)
6.3x4505x4504x350
3.15x350
2.5x350
Current Range (Amps)
260-320180-240140-180
100-130
70-100
Qty. (Pcs./Carton)
253555
75125