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Stainless Steel Electrode

Stainless Steel Electrode
Stainless Steel Electrode
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Product Code : ER409Nb
Product Description

ER409Nb is a ferritic stainless steel welding alloy used to weld types 409 and 409Ti base metals. The addition of columbium leads to a preferential reaction with carbon which interrupts chromium from forming carbides. This improves corrosion resistance, increases strength at high temperatures, and promotes ferritic microstructure.

AWS Specification : AWS A5.9/A5.9M:2006

AWS Classification

ER409Nb

Welding Current

DCEP

Typical wire chemistry

C

Cr

Ni

Mo

Mn

Si

P

S

Cu

Nb

0.08

10.5 - 13.5

0.6

0.50

0.8

1.0

0.04

0.03

0.75

10xCmin/0.75max

Typical Mechanical Properties (As Welded)

Yield Strength, ksi

50

Tensile Strength, ksi

67

Elongation%, min

26

Welding Positions

F,V,OH,H

Available Diameters MIG with Operating Range in Amps

.030"

50 - 100

.035"

160 - 210

.045"

180 - 250

Available Diameters TIG with Operating Range in Amps

.035"

60 - 90

.045"

80 - 110

1/16"

90 - 130

3/32"

120 - 175

1/8"

150 - 220

5/32"

170 - 350

 


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