• Cromotherme-12
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Electrodes for Creep Resisting Steels

CROMOTHERME-12

AWS: SFA

EN ISO CODE: 3580-A E CrMoWV12 B42

Cromotherme-12 is a lime-fluoride type electrode yielding a deposit containing 11Cr - 0.5Ni - 1.0Mo - 0.3V - 0.5W. The weld metal has excellent creep and oxidation resistant properties up to 700 C. The electrode is used for welding creep resistant 12Cr steels in turbines, steam boilers and chemical plant, where operating temperatures of the order of 600 C are encountered. Following are some of the creep-resistant steels that can be welded.

DIN: X 20 Cr Mo 12 1, X 22 Cr Mo V 12 1 , X 20 Cr Mo W V 12 1, G X 22 Cr Mo MV 12 1

Approvals
CHEMICAL COMPOSITION OF ALL WELD METAL (%)


Element
CMnSi

S

PCrMoNiVW
Percent
0.180.900.400.0200.02011.01.000.500.300.50


MECHANICAL PROPERTIES OF ALL WELD METAL

(PWHT : 740°C-780°C FOR 2 HR)

UTSYSElongation
CVN Impact Strength
(MPa)
(MPa)
(L= 5d)%
At +20oC (Joules)
73066018
50


CURRENT AND PACKING DATA: DC (+)


Size (mm)
5x3504x350
3.15x350
2.5x350
Current Range (Amps)
180-220140-180
100-140
70-90
Qty. (Pcs./Carton)
3555
75125


Electrodes for Creep Resisting Steels

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