MOLYTHERME - E7018-A1
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Electrodes for Creep Resisting Steels

MOLYTHERME

AWS: SFA 5.5 E7018-A1 IS: 1395 E49 B A1 2 6 Fe EN ISO CODE: 3580-A E MoB 4 2

Molytherme is a low hydrogen iron powder type electrode yielding a weld deposit containing 0.5%Mo. Ideal for welding creep resistant C-Mo steels for service temperatures up to 525°C. Typical applications include boilers, pressure vessels, pipes and tubes of similar composition.

Precaution

1. Ensure the electrodes are dry. Re-dry the electrodes at 300°C for 2 hours.

2. Use short arc and stringer bead.

Approvals
    CE
    EIL
    PDIL
    BHEL
    NTPC
    CIB-MP
    NPCIL
    Adani Infra
CHEMICAL COMPOSITION OF ALL WELD METAL (%)


Element
CMnSiSPMo
Percent
0.060.800.420.0200.0250.52


MECHANICAL PROPERTIES OF ALL WELD METAL


UTSYSElongation
CVN Impact Strength (J)
Creep Strength
(MPa)
(MPa)
(L= 5d)%
at Minus 20°C
at (1% offset in 10,000 hrs)
53545528.0
140
at 525°C 12.5 kgf/mm2

DIFFUSIBLE HYDROGEN CONTENT: 5 ml/100 gms of weld metal Max.

MOISTURE CONTENT: 0.40% Max.

 

CURRENT AND PACKING DATA: DC (+)


Size (mm)
6.3x4505x4504x350
3.15x350
2.5x350
Current Range (Amps)
270-340170-240140-170
90-120
70-90
Qty. (Pcs./Carton)
253555
75125


Electrodes for Creep Resisting Steels
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