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ER347

AWS A5.9 ER347
ASME SFA 5.9 ER347

ER347 is used for welding AISI types 304, 304L, 321 and 347 where maximum corrosion resistance is required. ER347 contains columbium which acts as a stabilizer against carbide precipitation thereby eliminating intergranular corrosion.

TYPICAL WIRE CHEMISTRY (%)

-

ER347

AWS Spec

C

0.04

0.08 max.

Mn

1.64

1.0-2.5

Si

0.40

0.3-0.65

S

0.01

0.03 max.

Ni

9.85

9.0-11.0

Cu

0.14

0.75 max.

Mo

0.2

0.75 max.

P

0.003

0.03 max.

Cb & Ta

0.86

TYPICAL MECHANICAL PROPERTIES OF WELD DEPOSIT (as welded)

Tensile strength (psi)

91,000

Yield strength (psi)

59,000