ER NiCrFe-7

 

Standard:

AWS 5.14                      AWS ERNiCrFe-7

ASME SFA 5.14            UNS N06052

 

ER NiCrFe-7 is used for gas-tungsten-arc and gas-metal welding of INCONEL Alloy 690. This NiCrFe welding product was developed to meet the changing needs of the nuclear industry, the higher chromium level providing greater resistance to stress-corrosion cracking in the nuclear pure water environment. INCONEL 52 produces corrosion-resistant overlays on most low-alloy and stainless steels. It can also be used in applications requiring resistance to oxidising acids. It is useful for dissimilar joints involving INCONEL and INCOLOY alloys, and carbon, low-alloy and stainless steels and for overlaying steel.

 

Wire Type

Wire Size

Packing

Net Weight

MIG Wire

φ0.8~1.6(mm)

D100mm　 D200mm D300mm　 D270mm

1kg 5kg 12.5kg 15kg 20kg

TIG Wire

φ1.6~5.5(mm)

1 meter/Boxes

5kg 10kg

Core wire

φ1.6~5.5(mm)

Coil or Drum

30kg – 500kg

Grade

Chemical composition of welding wire (%)

Ni

Cr

C

Mn

Fe

Si

Cu

Al

Ti

P

S

Mo

Nb

ER NiCrFe-7

≥54.0

28.0-31.5

≤0.04

≤1.0

7.0-11.0

≤0.5

≤0.3

≤1.1

1.0

≤0.02

≤0.015

≤0.05

0.10

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