CROMOTHERME-1(MOD); AWS: SFA 5.5 E8018-B2; Electrodes for Creep Resisting Steels


Description

Weld metal having lesser impurities i.e. S, P, will improve the subzero impact property and retains its mechanical properties after prolonged heat treatments. Ideal for welding similar composition materials. The weld metal displays excellent tensile strength and creep resistance. Specially applicable wherever the impact o property requirement at subzero temperatures up to minus 20 C.

Approvals
BHEL
CE
CHEMICAL COMPOSITION OF ALL WELD METAL (%)


Element
C Mn Si S P Cr Mo Sn As Sb
Percent
0.06 0.76 0.49 0.007 0.010 1.25 0.50 0.002 0.004 0.002


MECHANICAL PROPERTIES OF ALL WELD METAL


UTS YS Elongation
CVN Impact Strength (J)
CVN Impact Strength (J)
Creep Strength at 550°C
(MPa)
(MPa)
(L= 5d)%
at Minus -20°C
20°C
(1%offset in 10,000 hrs)
620 530 22
80
100
120 MPa

DIFFUSIBLE HYDROGEN CONTENT: 5 ml/100 gms of weld metal (max.).



CURRENT AND PACKING DATA: DC (+)


Size (mm)
6.3x450 5x450 4x350
3.15x350
2.5x350
Current Range (Amps)
250-300 200-250 140-180
100-130
70-100
Qty. (Pcs./Carton)
25 30 50
75 100

 

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