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Electrodes for Creep Resisting Steels

CROMOTHERME

AWS: SFA 5.5 E8018-B1

Cromotherme is a basic coated hydrogen controlled electrode. Ideally suited for welding of creep resistant steels of similar composition used in power plants, boilers, oil refineries and chemical plants.

Precaution

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

2. Use short arc during welding.

CHEMICAL COMPOSITION OF ALL WELD METAL (%)


Element
CMnSiCrMoSP
Percent
0.070.600.300.500.500.0200.020


MECHANICAL PROPERTIES OF ALL WELD METAL


(PWHT : 690 C FOR 1 HR)

UTSYSElongation
(MPa)
(MPa)
(L= 4d)%
56444620.0


CURRENT AND PACKING DATA: DC (+)


Size (mm)
6.3x4505x4504x350
3.15x350
2.5x350
Current Range (Amps)
250-300180-240140-180
100-130
70-100
Qty. (Pcs./Carton)
253555
75125