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Up Topic Welding Industry / General Welding Discussion / Welding Stainless Steel to Cast Iron
- - By frsmijr (*) Date 11-12-2004 01:23
I was hoping that someone might have some advice on this.

I have an 6" dia. cylinder with an approx. 1.5" dia. hole through the middle. I need to TIG weld a SS bushing inside the hole. The bushing will be about 3/8" thickness. I'm a little unsure of the process, but from what I can find, a 309 filler should work.

I would appreciate and advice on the procedure...heat treatment especially.

Thanks
Parent - - By weldette (*) Date 12-06-2004 22:18
Yes, you want to heat treat and let cool slowly. There is another filler rod to use it is like a stainless combined with monel or something along that line. The name is eluding me right now will try to find out. This rod is also good for that "pot" metal. I was reparing a antique lamp that was made of that casted stuff and it worked great.
Parent - - By kawgomoo (*) Date 12-12-2004 20:02
i found a video about welding cast iron at the hobart library. u can use high nickel rod i believe, but you have to beat the crap out the of the weld with the sharp end of a slag hammer as it cools, so it wont try and shrink up on you and crack. dont know if this applies since ur west SS to cast.. if you want ill get the name of the vid for ya, or watch it again and get the names of the types of filler he recomends.

oh yeah once u weld the piece u have to drop it in a bucket of ash, or put it in a HOT bbq grill and leave it in there till the coals burn out and slowly cool on there own. or wrap it in a insulating blanket so it will cool very slowly. also if u weld one side you need to let it cool slowly and normalize before doing the other side, or keep a torch on side a while u weld side b.... if u hear a "tink" ur fuct.
Parent - - By George-kh (**) Date 12-17-2004 06:24
Stainless steel filers are not a good choice when you want to weld cast iron. Because high amount of chromium in filler and high amount of carbon in cast iron combine together to make some carbon reached chromium carbide which is brittle.
I suggest you to use a nickel base alloy filler.
Parent - By rodofgod (**) Date 12-21-2004 23:43
Hi All!

I might be completely wrong, however you might want to consider a 'inconel' filler for this application, instead of a S/S one!
However if I was doing this repair, I would try and butter each side up with the relavent consumable and 'join' the two with an inconel filler!
Sounds complicated I know! but it does work!

Regards

Parent - - By MBSims (****) Date 12-22-2004 05:45
What he said. Use NiRod 55 (ENiFe-CI) or NiRod 99 (ENi-CI). A low dilution welding process would be preferred. See www.specialmetalswelding.com or www.esabna.com for the nickel-base electrodes used for cast iron. These will be suitable for dissimilar welds between cast iron and 300 series stainless also. Preheat will need to be at least 400-500 F minimum.

http://www.specialmetalswelding.com/products/ni-rod/nirod.htm

http://www.esabna.com/ESAB/showprod.cfm?&DID=8&User_ID=473991&st=7766&st2=-86018492&st3=75023000&CATID=11&ObjectGroup_ID=41
Parent - - By harleyhitman (**) Date 01-15-2005 03:15
Try Cronatron 211 , It is the best cast Iron rod on the market and it will weld Steel or Stainless to Cast with no pre-heating.
Parent - By harleyhitman (**) Date 01-19-2005 12:24
“THE CAST IRON PROBLEM SOLVER”
Unquestionably the final answer to the most difficult cast iron repair welding. This highly sophisticated
alloy allows repairs that were previously impossible.
IDENTIFICATION: Printed Electrode, TIG Flagged One End
APPLICATION: AC or DC Reverse Polarity
CRONACAST 211 SUPERIOR ADVANTAGES:
• HIGH TENSILE WELDS IN EVERY TYPE OF CAST IRON, INCLUDING GREY AND
MEEHANITE; ALSO PRODUCES EXCELLENT STEEL TO CAST IRON WELDS
• CRONAMIG 211 IS FULLY MACHINABLE AND HAS A HIGH ELONGATION
FACTOR WHICH POSITIVELY PREVENTS CRACKING
• PASS OVER PASS WELDING WITHOUT SLAG REMOVAL BETWEEN PASSES
• ALL POSITION WELDING CAN BE DONE WITH CRONAMIG 211 WITH NO
DISMANTLING OF EQUIPMENT PARTS
TECHNICAL INFORMATION:
TENSILE STRENGTH: 70,000 PSI (483 MPa)
BRINELL HARDNESS: 185-240
OPERATING PROCEDURES:
Use AC or DC reverse polarity. Generally, where a narrow, thin
bead is desired a straight polarity application is suggested.
APPLICATIONS:
• GEAR TEETH • PUMP IMPELLERS
• SPROCKETS • CAST IRON TO STEEL
• PUMP HOUSINGS • CYLINDER BLOCKS AND HEADS
• BEARING HOUSINGS • TRANSMISSION CASES
• TURBINES • HYDRAULIC PRESS RAMS
CONFIDENTIAL MATERIAL, REPRODUCTION, IN WHOLE OR IN PART, PROHIBITED Printed in U. S. A. (Rev. 7/ 02)
PART
NO.
CW1035
CW1034
CW1033
CW1032
ELECTRODE
SIZE
3/32
1/8
5/32
3/16
AMPERAGE
55-95
75-110
120-150
140-175
COMBO PAC . . . . . . . . CW1725
PART NO.
CW1901
CW1902
CW1903
SIZES
CRONATIG™ 211T
1/16 x 36
3/32 x 36
1/8 x 36
TECHNICAL INFORMATION
CRONATRON WELDING SYSTEMS, INC.
CRONACAST ™ 211
CRONAMIG 211M-FC CRONATIG ™ 211T
PART NO.
CW2065
CW2066
CW2057
CW2058
CW2059
SIZES
CRONAMIG™ 211M-FC
.035 x 10 lbs.
.035 x 33 lbs.
.045 x 10 lbs.
.045 x 33 lbs.
.062 x 33 lbs.
WE 14 Corporate, Research & Distribution Hdqrs: 6510 Northpark Blvd. Charlotte, NC 28216-2367/ 800-843-0763/ www.cronatronwelding.com
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Parent - By Pepe Loco Date 01-16-2005 02:20
Use Nickel rods, go 1" , ping till it cools down, repeat. It's a piece of cake if you take your time.
Up Topic Welding Industry / General Welding Discussion / Welding Stainless Steel to Cast Iron

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