23 Stainless
Steel Metal Core Wire Typical Mechanical
Typical Undiluted Type
Properties Weld
Metal Analysis Specifications
98 Ar/2 O2
100% Ar Arcaloy
MC 308L AWS A5.9 Tensile
Strength Carbon 0.03
Max Class EC308L 83,000
psi (572 MPa) Manganese 1.50
Yield Strength Silicon
0.50 58,500 psi
(404 MPa) Chromium 20.1
% Elongation in 2” (51mm) Nickel
10.3 40
FN 10
Arcaloy MC 308L is used for welding types 301, 302, 304,
304L, 308, and 308L. May be used for welding types 321 and 347 if
service temperatures do not exceed 500°F (260°C).
Arcaloy MC 309L
AWS A5.9 Tensile
Strength Carbon 0.03 Max.
Class EC309L 85,400
psi (589 MPa) Manganese 1.53
Yield Strength Silicon
0.51 62,300 psi
(430 MPa) Chromium 24.1
% Elongation in 2” (51mm) Nickel
12.6 34
FN 16
Arcaloy MC 309L is designed for welding type 309 wrought
or for welding type 304 to mild carbon steel. Also recommended for
cladding 304 when welded to carbon steel.
Recommended Welding Parameters page 26
