Looking for a little info about hardfacing
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  1. #1
    Join Date
    Feb 2014
    Location
    Lebanon NJ
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    53

    Looking for a little info about hardfacing

    So i have some jobs coming up that customers are in need of hardfacing and repairing some buckets. These are Cement plants so these loaders are loading stone and sand all day and everyday. I have not done much hardfacing in my time in the field as of yet so im looking at any help to get me going. ive heard to pre heat the base metal before welding and have also heard of putting the bucket in sand once completed to help slow down the cool down process. just looking for everyone else's input on how they go about this and any ideas that i can gather on how i can complete these jobs. What kind of rod everyone likes to use for these kind of jobs and things like that.

    Thanks welding web family

    Matt

  2. #2
    Join Date
    Nov 2012
    Location
    new york city
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    6,627

    Re: Looking for a little info about hardfacing

    sounds like you need rods for impact and abrasion. wearshield may do it.
    Last edited by docwelder; 08-16-2019 at 06:49 PM.
    i.u.o.e. # 15
    queens, ny and sunny fla

  3. #3
    Join Date
    Apr 2006
    Location
    Soda springs,Id
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    4,725

    Re: Looking for a little info about hardfacing

    Stoody 31 was always my favorite. Read what polarity is required on the box. Adjust amperage as to whether welding flat, horizontal or vertical.

    Mike
    Ol' Stonebreaker
    "Experience is the name everyone gives to their mistakes"

    Miller 175 mig
    Miller thunderbolt ac/dc stick
    Victor O/A setup
    Makita chop saw

  4. #4
    Join Date
    Feb 2014
    Location
    Lebanon NJ
    Posts
    53

    Re: Looking for a little info about hardfacing

    do you usually preheat the base metal ?

  5. #5
    Join Date
    Oct 2015
    Location
    NW New Jersey
    Posts
    303

    Re: Looking for a little info about hardfacing

    There are lot of different hardfacing electrodes.Best idea is to read the spec sheet for the electrode, and the application. Here's a link to the material I'm using now, Lincoln Wearshield BU(Build up). https://m.lincolnelectric.com/assets...ldBU/c7101.pdf

    Here's another one I've used before(for an Anvil), Lincoln Wearshield MI https://www.lincolnelectric.com/asse...ieldmi-eng.pdf

    I haven't done any large excavating equipment, mostly chippers, stump grinders, and plows. I'm sure somebody else can tell you what works the best on buckets. When I do preheat , I prefer using a Tempstik , just don't trust the IR gun some one bought for me. Because the work I do fits in the shop, most of the time I just use welding blankets to insulate while cooling.
    I'm sure others here will have more and better info for you , but its the weekend.

    Good Luck
    Airco 250 ac/dc Heliwelder Square wave
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  6. #6
    Join Date
    Feb 2014
    Location
    Lebanon NJ
    Posts
    53

    Re: Looking for a little info about hardfacing

    thanks for the info!

  7. #7
    Join Date
    Nov 2009
    Location
    Hellinois
    Posts
    5,704

    Re: Looking for a little info about hardfacing

    You want a severe abrasion rod. Last time I bought some it was McKay, which was my favorite brand. Unfortunately, ITW bought them up along with Miller and Hobart and offed the brand. I would look at Stoody website and/or call them.
    "Where's Stick man????????" - 7A749
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    "Stick-man"

  8. #8
    Join Date
    Apr 2008
    Location
    NW ON Canada
    Posts
    3,220

    Re: Looking for a little info about hardfacing

    Your doing wear plate replacement on these buckets also? Wear plate replacement and hard facing usually go hand in hand. I’ve done quite a few large loader and excavator buckets over the years.
    Hard facing is what prevents wear. There are specific patterns to use for laying it on for sand abrasion, rock abrasion or a combo of both.
    I like to hard surface the cutting edges, sometimes the teeth/shanks and you can add some to the new wear plate as well.
    All I’ve used for wear plate welding is 70S6 mig and 7018 stick.
    Carbon arc air will make fast work of removing old worn out wear plate.
    Jason
    Lincoln Idealarc 250 stick/tig
    Thermal Dynamics Cutmaster 52
    Miller Bobcat 250
    Torchmate CNC table
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    Ironworkers Local 720

  9. #9
    Join Date
    Feb 2014
    Location
    Lebanon NJ
    Posts
    53

    Re: Looking for a little info about hardfacing

    Not sure about the ware plating yet. im planning on meeting with the company that needs the work done this week and go over what they are looking for.

  10. #10
    Join Date
    May 2007
    Location
    SoCal
    Posts
    4,821

    Re: Looking for a little info about hardfacing

    I can tell you that sand will work, but make sure it is as dry as possible. Vermiculite does a good job also, and is as light as popcorn, just don't let it blow away in the wind.
    I have only just started using Stoody rod on an anvil surface myself. I used a 400* tempil stick along with an IR thermo to double check.
    Best of luck.
    City of L.A. Structural; Manual & Semi-Automatic;
    "Surely there is a mine for silver, and a place where gold is refined. Iron is taken from the earth, and copper is smelted from ore."
    Job 28:1,2

    Lincoln, Miller, Victor & ISV Bible

    Danny

  11. #11
    Join Date
    Apr 2008
    Location
    NW ON Canada
    Posts
    3,220

    Re: Looking for a little info about hardfacing

    I usually go with AR 400 wear plate. At least 3/4” thick for larger buckets on larger machines. On small or mini machines you can get away with thinner wear plate.
    Jason
    Lincoln Idealarc 250 stick/tig
    Thermal Dynamics Cutmaster 52
    Miller Bobcat 250
    Torchmate CNC table
    Thermal Arc Hefty 2
    Ironworkers Local 720

  12. #12
    Join Date
    Feb 2014
    Location
    Lebanon NJ
    Posts
    53

    Re: Looking for a little info about hardfacing

    awesome thanks for the info guys

  13. #13
    Join Date
    Jul 2012
    Posts
    702

    Re: Looking for a little info about hardfacing

    This link is from heavy equipment forum, has some great bucket rebuilding pictures.

    https://www.heavyequipmentforums.com...ictures.23087/

  14. #14
    Join Date
    Feb 2014
    Location
    Lebanon NJ
    Posts
    53

    Re: Looking for a little info about hardfacing

    has anyone every had luck with forney hardfacing rods

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