Filler wire

[sujit kumar]

Dear expert,

What filler wire We should use to weld SB466 C70600  to SB466 C70600 material.

What parameter should we use to weld that material. Specially when it will get crack??

Thanks and regards

Sujit

[Vishwas Keskar]

Pl send chemical composition 

Sent from my iPhone

On 4 Mar 2025, at 12:23 PM, sujit kumar <sujitku...@gmail.com> wrote:



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[Deerendra Karanth]

As per my understanding, the composition is typically as follows:

Copper (Cu): 88.0 - 90.0%

Nickel (Ni): 9.0 - 11.0%

Iron (Fe): 1.0 - 2.0%

Manganese (Mn): 0.5 - 1.0%

Zinc (Zn): ≤ 1.0%

Lead (Pb): ≤ 0.05%

Sulfur (S): ≤ 0.02%

Carbon (C): ≤ 0.05%

Phosphorus (P): ≤ 0.02%

Could you kindly confirm if this composition aligns with the latest specifications for SB466 C70600, or provide any additional insights regarding permissible variations?

BR, 

Deerendra. 

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[sridhar cn]

As Chemistry of SB466 C70600 (Copper-Nickel alloy, CuNi10Fe1Mn) is

Cu- 88 to 90%

Ni-  9 to 11%

Fe- 1 to 1.8%

Mn- up to 1%

to weld  SB466 C70600 to itself, the recommended filler wire is ERCuNi (Copper-Nickel). This filler metal matches 

the composition of the base material and ensures good corrosion resistance, particularly in marine environments. 

ERCuNi is specifically designed for welding 90/10 and 70/30 Copper-Nickel alloys and provides excellent mechanical 

properties and compatibility with the base material.

Argon or Argon+Helium (for deeper penetration) could be used for shielding.

Sridhar.

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[Vishwas Keskar]

Use

ERCuNi wire or

ERNiCu-7

Sent from my iPhone

On 4 Mar 2025, at 10:56 PM, sridhar cn <sridha...@gmail.com> wrote:



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