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CARBON EQUIVALENCY VERIFICATION

Chemical Composition % 

C (Carbon)

Mo (Molybdenum)

Mn (Manganese)

Cu (Copper)

Cr (Chromium)

B (Boron)*

Nb (Niobium)*

may also be referred to as Cb (Columbium)

Ni (Nickle)

*Si, B, Nb requried for CSA only

Si (Silicon)*

V (Vanadium)

ASME IX:2023

QW-403.26 CE Equation

CE =  C 
+
Mn
6
+
Cr + Mo + V
5
+
Ni + Cu
15
CE =
0.00

CSA Z662:2023

Cl.7.6.4.4 CE Equation

CE =  C 
+
F
(
Mn
6
+
Si
24
+
Cu
15
+
Ni
20
+
Cr + Mo + V + Nb
5
+
5B
)
CE =
0.00
F =
0.00
 = compliance factor depending on carbon content as given in CSA Z662 Table 7.2

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