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625 Flux Cored

AWS A5.34/A5.34M ENiCrMo3T0-1/4 & TNi 6625-01/4 (flat and horizontal)

AWS A5.34/A5.34M ENiCrMo3T1-1/4 & TNi 6625-11/4 (all position)

Alloy 625 FC is a nickel-chromium-molybdenum-iron flux cored filler used for nickel base alloys which contains chromium-molybdenum or iron-chromium and themselves to steel.

Inconel® 625 & 825, alloy 25-6 Mo and overlaying steel as well as joining stainless may bean excellent choice also. This weld metal has good strengths and resists corrosion and oxidation up to 1500 °F. Some of these base metals are found with specifications of ASTM B443, B444, B446 (all listed under UNS 06625), B407, B409, B512, B564 (all listed under UNSN08800)

TYPICAL WIRE CHEMISTRY (%)

-

AWS Spec

C

0.10 max.

Mn

0.50 max.

Si

0.50 max.

Ni

58.0 min.

P

0.02 max.

S

0.015 max.

Cr

20.0-23.0

Cu

0.50 max.

Ti

0.40 max.

Fe

5.0 max

Mo

8.0-10.0

Nb (Cb) + Ta

3.15-4.15

Typical mechanical properties of weld metal (C02 shielding gas)

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AWS Spec

Yield Strength (psi)

N/A

Ultimate Tensile Strength (psi)

100,000 min

Elongation in 2" (%)

25 min

Charpy V-notch at 0 °F (ft. lbs)

N/A

Reduction of Area

N/A

Average Brinell Hardness

N/A

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