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Anonymous Poster

Suggestion request of welding Rod

03/06/2010 1:29 AM

To all forum members,

Please suggest any welding process and welding rod (or welding rod composition) for the material details attched here with, we have used various quality of welding rods but not getting any results, (NB; its a Door of Hydro dam some 100-130 years old composition)

Thanking you,

Yours truly,

Chetan

Material properties:

C=1.80, Si=1.88, Mn=0.408, P=0.653, C=0.288, Cr=0.0711, Mn=0.0227, Ni=0.691, Al=0.0028, Co=0.0502, Cu=0.0250, Nb=0.0069, Ti=0.0916, V=0.105, w=0.156, Pb=0.0687, Sn=0.0051, Mg= 0.00050, As=0.821, Zr=0.0021, Bi=0.0098, Ce= 0.0574, Sb=0.0558, Se=0.0020, B=0.0156, Zn=0.0540, La=0.0300, N=0.0156, Fe=94.0

Average Hardness=77.33 HRB, 141.61 BHN

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Anonymous Poster
#1

Re: Suggestion request of welding Rod

03/06/2010 2:10 AM

Have you tried a high nickel consumable?

One good choice could be NiRod 55X

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#2

Re: Suggestion request of welding Rod

03/07/2010 7:06 AM
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#3

Re: Suggestion request of welding Rod

03/07/2010 9:36 AM

GA for Peter!

Due to its' approximate age and composition, it appears that it's cast iron through and through, so in IMHO you had better use cast iron welding rods if you can find them.

Just curious: Is there any evidence of a Foundry or Mill Mark anywhere on the door, and if so, is it ledgible? Which one?

to narrow things down some.....where is this hydro door located, ie, city, state, country? It may be possible to track down who was the nearest foundry and possibly the manufacturer of the door.

Last question regarding composition analysis results. Why are there two values shown for Carbon?

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#4

Re: Suggestion request of welding Rod

03/07/2010 9:43 AM

You really went deep into elemental composition . This is a non standard Cast Iron - not a rational steel . Is this door in Service Position -- and you want to weld-repair with Water Pressurizing on one side ? If it is off service- I would strongly advise-- scrap it-- go for a Steel Fabricate.Any steel like shipbuilding/Armour Plate is fine. If you are unable to take this off service your only hope is weld in situ - MIG/MAG with low carbon steel wire feed mm

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#5

Re: Suggestion request of welding Rod

03/07/2010 9:40 PM

What is the process condition? Welding under water or on the "dry" side, installed or removed. Process temperature, what kind of welding? e.g. repairing cracks, filling holes or space, what size? Is the the basic material clean or cleanable? How thick is the material? Is the door hollow and dry on the back side? Can you describe what happens with the rods tested? And what rods you used.

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#6

Re: Suggestion request of welding Rod

07/06/2010 11:29 AM

Dear Sir,

Try Astra 533 & Astra 555.

Fusion.

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