Aluminum Bronze (C63000) to carbon steel welding.

[VMSS Siva]

Hi all,

Anybody having experience in Aluminum Bronze - C63000 to carbon steel welding (full penertration fillet weld) if so please share following details.

1. Type of filler wire - GTAW

2. Type of Electrode - SMAW.

3. Interpass temperature, Is it required to maintain interpass temp. With heating coil.

4. Heat input requirements if any. 

5. If no sound weld, what type of defects we can expect. 

6. Other than DP, what other NDT we can use to find defects if any. 

With regards, 

Siva

[Kannayeram Gnanapandithan]

ER CuAl-A2

THANKS & BEST REGARDS,

KG.PANDITHAN, BE, IWE,  CSWIP 3.1,

ISO 9712 Level 2 in VT,

ASNT-Level II in PT,MT,RT & UT,

LA ISO 9001-2015,

International Welding Engineer. 

CONSULTANT-WELDING & QUALITY

Mobile no: +919940739349

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[VMSS Siva]

C63000 contains Nickel, whereas ER CuAl-A2, does not contain Nickel, please re-confirm whether we can use or not. 

With regards

Siva

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[Rahul Rathod]

ERCuNiAl is best choice for your application but you can also weld with ERCuAl-A2, both are suitable for your application,

if your base metal thickness has above 8 mm go with gmaw welding process, 

you can weld directly as well as buttering in Carbon steel with same welding consumable as per given above,

preheat 250 C ° at AL Bronze base metal for up to 10-12 mm base thickness,

वसुधैव कुटुम्बकम्

 

Rahul J Rathod

Senior Welding Technician 

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[Kannayeram Gnanapandithan]

ER CuAl-A2 is best for dissimilar, but u can also use CuNiAl

THANKS & BEST REGARDS,

KG.PANDITHAN, BE, IWE,  CSWIP 3.1,

ISO 9712 Level 2 in VT,

ASNT-Level II in PT,MT,RT & UT,

LA ISO 9001-2015,

International Welding Engineer. 

CONSULTANT-WELDING & QUALITY

Mobile no: +919940739349

To view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/CALN-m%3DD_zhf%3Du2588omq0YgtRrfZBhymOSGHM9%2BFP3XxS7_MOg%40mail.gmail.com.

[George Dilintas]

impossible from metallurgical point of view

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Welding, Stress Analysis, Corrosion, QA/QC, Failure Analysis, Risk Analysis

[avis...@gmail.com]

Thank you Mr. Pandithan and Mr. Rahul, got ER CuNiAl filler wire to weld.

I need details from those who really having practical experience on this welding, to know and understand the difficulties faced, if any.

On 3 Mar 2021, at 11:34 AM, Kannayeram Gnanapandithan <kgpan...@gmail.com> wrote:



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[pgos...@rogers.com]

Aluminum bronze C63000 is a Copper-Aluminum alloy. It’s not directly weldable to Carbon steel.  Use of a buffer layer on carbon steel either Cu-Ni (70/30 or 90/10) followed by welding with fillers of matching chemistry  to alloy C 63000 would be advisable.

 

Thanks.

 

Pradip Goswami.P.Eng, IWE.

Independent  & Consulting Welding & Metallurgical Specialist

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