Materials Welding Re MW 14610 Re Flush grinding of weld
· Is flush grinding of welds acceptable in pressurevessels or pipes If so please let me know the ASME code clause or some code reference Thanks Regards Gurunath Hanamar To post to this group send email to materials welding googlegroups com To unsubscribe from this group send email to materials welding unsubscribe googlegroups com
Question about weld grinding for best appearance Miller
GREAT timing and question thanks So I was just asked today to repair a metal bracket for some family that is about 3 4 thick The weld is going to be a butt weld I was planning on grinding a bevel on all four edges top and bottom side and then using my Thunderbolt 225 XL to run a root pass of 6010 in each side then maybe 7018 pass over the top and grind it down now with a flap disk
HOW much is too much grinding on root pass
· Could I get away with buffing root then only grind a little on wagon track We weld structural pipe on the vertical and pass u t with a buffing and a little grind at work could I do the same on x ray Help needed mid 80 s amps 6011 thermal arc 181 HOW much is too much grinding on root pass by WerkSpace Sat Nov 09 2013 4 13 am
Automated Machines For Grinding Welds Flush VETURA Mining
Sep 06 2013 automated machines for grinding welds flush crusher south grinding machine welding equipmentpipe welder the final step in the door forming process prior to painting is the grinding of the weld bead flush with the More Details Orbital Welding In Compliance With Arc Machines Inc
Grinding welds flat WeldingWeb™ Welding forum for
Re Grinding welds flat NEVER grind a weld The profile of the weld bead is a structural part of the weldment Welding inspectors actually measure the profile with a welding guage If it is a decrotive or cosmetic type thing its ok as long as that weldment will NOT be put to a test such as lawn furniture barbeque grill etc
9 Basic Steps to Reading Welding Symbols for Groove Welds
The 9 Basic Steps to Reading Welding Symbols focuses on fillet welds but goes thru the basics of the welding symbol arrow reference line and loion of welds which is not covered here Unlike fillet welds where there is no variation there are many different types of groove welds
Mis Understanding Welding Symbols Part 1 American
· The difference between the two contours is this flat simply means that the face of the weld must be well flat Flush however requires that the weld be laid or finished in such a way that it rests flush against the part or base material itself The supplementary weld symbol used to represent both of these contours is a straight line
Eight tips for effective grinding The FABRICATOR
· The act of grinding can be deceivingly simple But the devil s in the details Effective grinding requires operators to apply enough pressure at the correct angle to let the grains the cutting tool of a grinding disc remove the most metal in the shortest time while not prematurely wearing the disc or burning out the grinding tool
HOW much is too much grinding on root pass
· Its not what the x ray will see its what your examiner will allow If they are a complete stickler and have minimum real world experience they will make you weld it as pretty as a brides you know what but if they have worked in the outside world and know the trade they may let a bit extra grinding
Pros of weldit is it ever OK to grind welds Welding
Pros of weldit is it ever OK to grind welds I ve been discussing with a friend of mine whether or not it s ever OK to grind your welds I understand that grinding down a weld reduces it s strength and therefore a structural weld should never be ground down If there s no reason to grind the weld flush then don t do it There is no need
Grinding smoothing welds The H A M B
· They cut fast and last forever Usually just carefully grind sideways to the weld till I knock it down to almost flush then hand file flat and finish with a DA Using the little 3M wheel I find its a lot easier to grind the weld a bit more precise without touching the surrounding metal
MATERIAL amp WELDING FINISHES FOR SANITARY
2008313 ensp 0183 enspC Smooth high grade Although not flush welds are blended and smooth with no irregularities D 80 grit to 100 grit The weld will be ground flush and discoloration will be removed Deep1 coarse grit lines will remain in the weld and weld area Some pits and defects may also remain E 120 grit The weld will be ground flush and discoloration
Question about weld grinding for best appearance Miller
GREAT timing and question thanks So I was just asked today to repair a metal bracket for some family that is about 3 4 quot thick The weld is going to be a butt weld I was planning on grinding a bevel on all quotfour quot edges top and bottom side and then using my Thunderbolt 225 XL to run a root pass of 6010 in each side then maybe 7018 pass over the top and grind it down now with a flap disk
Grinding polishing blending in hardtoreach areas
Grinding polishing blending in hardtoreach areas Tools accessories abound for finishing in tight spots but many of the parts are so close to each other that grinding and blending the welds and polishing the whole thing will be both challenging and timeconsuming When using small cutoff wheels on angle grinders to cut bolts flush
Grinding Welds Strength Lost Weld Talk Message Boards
The post umcpop recommended covers it all pretty well but I would add that full penetration welding on 3 16 quot really shouldn t require welding on both sides and that you should be able to see full penetration either while the weld is being done or though later examination of the reverse side
Flash Grinding Products amp Suppliers Engineering360
The flash grinding increases the FAT to 91 MPa while it was 71 MPa Ref 20 in the case of weld reinforcement because of reduction of stress concentration at weld toe see Fig 7 Lean philosophy implementation in a forging company
When shouldn t you grind your welds Weld Talk Message
Grinding is expensive If the weld CAN be designed to be stronger than needed it is cheaper and faster to do this than to grind out any potential stress risers Full penetration welds are often ground not just for cosmetic and fuctional reasons flush surface needed in service but to remove stress risers
Grinding smoothing welds The H A M B
2013127 ensp 0183 enspGrinding off a large amount of material makes the area hot and then wavy You should be able to get your welds to the point where they only need a quick blast with 80 or 120 grit on a flap disc to flatten Then finish with a rubber backed 180 grit Dont use a grinding wheel on sheet metal
what do you use to grind smooth off the welds MIG
· You can buy grinding discs made from the same stuff that are about 6mm thick They are the most economical way to grind a weld If you are looking for a great finish then take the weld down most of the way with a grinding disc then finish with a flap disc Flap discs last longer if you try to use the flat rather than the edge
Welding Symbols Diagrams amp Types Weld Guru
These welds are indied by using a process or specifiion reference in the tail of the welding symbol as shown in figure 34 Figure 34 When the use of a definite process is required fig 35 the process may be indied by one or more of the letter designations shown in tables 31 and 32
Weld seam grinding specializedtools
welding isn t just melting the metal you actually add metal to the puddle and let it all solidify together That means there s more there than you started with but it s one piece of homogenous metal so you can then grind it down to where it looks like there s no seam at all Sorry if that wasn t clear
Welding Com Welding Symbols
Flush Resistance Spot Welding Joints When the exposed surface of one member of a resistance spot welded joint is to be flush that surface shall be indicated by adding the flush contour symbol fig 3 3 to the weld symbol fig 3 65 in accordance with location specifications given in paragraph 3 7
Welding Symbols Guide and Chart All Type Joint Fillet and
· Welding Symbols Guide and Chart Fillet Weld and Groove Weld – In order to communicate with others living being invented a language A language can help individuals to achieve what they want and for the larger community to achieve wonder
TECHNICAL F Procedures for Dressing Welded Areas
202026 ensp 0183 enspUsing the grinding stone start grinding on the highest point of the weld grind up and down left to right but avoid grinding the weld down to the level of the metal You must also apply lighttomedium pressure and keep the tool moving to avoid heat buildup Once the weld is leveled down enough but not flush with
Grind Your Welds With Pride If That s The Way You Do It
· When grinding a weld joint where the pieces are flush with each other it s best to not even touch the surface on each side of the weld with the grinding
Flush grinding of weld Google Groups
· Grinding the welds is permitted to the extent that at no place should the weld metal fall below the surface of the adjoining base materials see UW 35 d Proving that may be a difficult job hence always leave a reinforcement unless constrained by design
Welding Symbols Grind Flush Autodesk Community
· Welding Symbols Grind Flush Does anyone know how to add a grind flush line the straight line placed under a symbol to indicate it be ground down after welding to a welding
4 5 Handi Disk II Flange Flush Grinding and Cutting
The HDII Flange takes the legendary Hands Disc cutting sanding and grinding wheel and makes it even better The flange attachment allows the HDII to be used FLUSH for GRINDING and SANDING to Grind down welds remove bondo and sanding flat a concrete pad The Flange adaptor screws onto any standard 5 8 11 grinder spindle Just like the standard HDII the surface and edges of the wheel are
Structural Welding Manual On AWS SAGU Engineering
For flange welds grind flush on aligned side and merge smoothly on transition sides Maintain areas base metal requiring automatic or semi automatic welding at a temperature of at least 40 F for at least one hour prior to beginning work unless WPS requires a higher preheat temperature
How to grind blend and finish a weld seam Norton Abrasives
· After all unfinished welds are inherently stronger than finished welds due to the material removal involved in grinding them down With carbon steel finishing a weld is a fairly simple process In the majority of cases the steel needs preparing only to the extent where paint can be applied
Structural Welding Manual On AWS SAGU Engineering
For flange welds grind flush on aligned side and merge smoothly on transition sides Maintain areas base metal requiring automatic or semiautomatic welding at a temperature of at least 40 F for at least one hour prior to beginning work unless WPS requires a higher preheat temperature
How to Use a Handheld Grinder How to Grind Welds with a
· Learn how to use a handheld grinder to grind down a weld to the height of the surrounding metal structure free power tools video Expert Terry Leafty Bio Terry Leafty is a welder at BC welding
Re Evaluation of Fatigue Curves for Flush Ground Girth Welds
Flush grinding of a butt weld is an established method for improving its fatigue performance However the current fatigue design rules in various standards and codes for such welds are not based on fatigue test data from flush ground girth welds but on data for joints between flat plates much of which were obtained many years ago The availability of fatigue test results has allowed
WELDING SYMBOLS tpub com
Finally finish the fillet weld by grinding it to a flush contour As the field weld symbol indicates all welds are to be accomplished in the field For additional information about welding symbols refer to Symbols for Welding and Nondestructive Test ing ANSI AWS A2 4 86
Grinding polishing blending in hard to reach areas
· Grinding polishing blending in hard to reach areas Tools accessories abound for finishing in tight spots but many of the parts are so close to each other that grinding and blending the welds and polishing the whole thing will be both challenging and time consuming When using small cutoff wheels on angle grinders to cut bolts flush
IIW Recommendations on Post Weld Improvement of Steel
the plate and the weld face 3 BURR GRINDING 3 1 Introduction The primary aim of the grinding is to remove or reduce size of the weld toe flaws from which fatigue cracks propagate At the same time it aims to reduce the local stress concentration effect of the weld profile by smoothly blending the transition between the plate and the weld face
Welding Symbols Diagrams Types Weld Guru
· The weld symbol fig 3 3 indicates the desired type of weld The welding symbol fig 3 2 is a method of representing the weld symbol on drawings to show that the exposed surface of one member of the joint is to be flush Resistance spot resistance seam flash and upset weld symbols shall be centered on the reference line fig 3 17
TECHNICAL F Procedures for Dressing Welded Areas
A grinding stone Fig 1 is the same size as the nor mal cut off blade use to cut metal except it is thicker three inches x 1 2 inch x 3 8 inch arbor and is a better option Using the grinding stone start grinding on the highest point of the weld grind up and down left to right but avoid grind ing the weld down to the level of the metal
inside flush grinding of butt weld Pipelines Piping and
During flush grinding the weld bead was removed I need your advice if there is any provision in the code to have the weld accepted RE inside flush grinding of butt weld Duwe6 Industrial 22 Dec 14 20 32 Gotta call B S on this one First grinding has never been disallowed by ASME Second if the grinding did not remove the O let then
9 Basic Steps to Reading Welding Symbols for Groove Welds
· Other than for appearance I was told the weld is stronger if you grind flat the waste weld metal Is this because the metal is less flexable and causes stresses around the Heat affected area HAZ I ask because some areas on my old rust motor car had places that were hard to get at for grinding
Weld grind flush
· Topic Welding Industry Inspection Qualification Weld grind flush By devincastor Date 01 21 2016 15 26 I m looking to see if there is a specification related to the attached photos I don t like the gap Production is leaving here after grinding yet I don t know Welding enough to definitively say the condition is non conforming
Welding Com Welding Symbols
When a definite number of welds is desired in a certain joint the number must be shown in parentheses either above or below the weld symbol fig 3 64 e Flush Resistance Spot Welding Joints When the exposed surface of one member of a resistance spot welded joint is to be flush that surface shall be indicated by adding the flush contour
welds to be ground flush English examples in context
High quality example sentences with welds to be ground flush in context from reliable sources Ludwig is the linguistic search engine that helps you to write better in English
Flash Grinding Products amp Suppliers Engineering360
Description subfloor Grinding concrete floors is preferred over the use of filling compounds If filling leveling compounds are used they must be portland based cementitious materials and have a compressive strength equal to or greater than 3000 psi when cured
Grinding Welds Strength Lost Weld Talk Message Boards
Question is If welds seem to have penetrated the material and the joint between two surfaces seems strong how much if any do you sacrifice by grinding welds smooth to match the exterior surface Or said another way what is gained by having a bunch of weld piled up on the surface of the metal you are trying to weld
Grinding a weld into acceptance American Welding Society
· Figure 5 4 E shows typically unacceptable weld profiles for groove weld butt joints 5 24 4 1 Flush Surfaces Butt welds required to be flush shall be finished so as to not reduce the thicknesses of the thinner base metal or weld metal by more than 1 32 in 1 mm or 5 of the material thickness whichever is less
Grinding TIG welds smooth weldingweb
More commonly failures are due to a physical stress riser undercutting being the most common type grinding into parent material also being common just as common are breaks due to improper design Properly designed performed welds RARELY break even ground flush
why it is required to do flush grinding on orifice flange
20121118 ensp 0183 enspwhy it is required to do flush grinding on orifice flange root welding Answer Save 1 Answer Relevance Bomba Lv 7 8 years ago Favourite answer An internal weld bead could cause some disruption to the flow especially within a smaller diameter pipe 0 3 0 Log in to reply to the answers Post Still have questions Get answers by asking now
Slot Plug Weld Symbols Weld Guru
· Surface Contour of Plug Welds and Slot Welds Plug welds that are to be welded flush by mechanical means must be shown by adding both the flush contour symbol and the user s standard finish symbol to the weld symbol fig 3 36 Surface Contour of Plug Welds and Slot Welds With User s Standard Finish Symbol Slot Weld Dimensions
grinding welds Boat Design Net
2011218 ensp 0183 enspWith over grinding welds on a boats shell this is to prevent stress concentrations localised If the weld bead is too large it indies a problem Either the plate gap was too large and the welder has simply quotgap filled in doing so has created a nice blob
Welding Symbols and Definitions
G Grinding For example there is a G as shown below so the welder needs to grind the weld to create the contour that is needed and the actual contour is to be flush This means that the weld needs to be ground down so that it is flush with the base metal
Grinidng Flush American Welding Society
2018917 ensp 0183 enspIf the contractor wishes to waste time grinding down perfectly good welds they are free to do so Most codes establish maximum reenforcement of welds as well as flush standards which will also set maximum amounts the base material can be thinned Yes they really do have the option to grind or leave as welded Why they would want to waste
Grinding Welds down when building a custom stainless
· Used to weld a lot of stainless with tig and mig All you need is Argon CO 2 100 penetrtation is going to be pretty easy on an exhaust pipe A little advice buy a can of spatter spray and use it religiously When you are grinding a sand paper disk is better then a stone 80 100 grit to start and 300 400 grit to finish
Flushing of Weld surfaces of Pressure Vessels and Heat
We request fabricators to grind flush the inside surfaces of welds on shell side for removable tube bundles Or when plates e g reinforcing pads would be placed above butt welds RE Flushing of Weld surfaces of Pressure Vessels and Heat Exchangers Vikko Mechanical 21 Sep 18 07 55
ReEvaluation of Fatigue Curves for Flush Ground Girth Welds
Flushgrinding of a butt weld is an established method for improving its fatigue performance However the current fatigue design rules in various standards and codes for such welds are not based on fatigue test data from flushground girth welds but on data for joints between flat plates much of which were obtained many years ago The availability of fatigue test results has allowed
6 Welding Tips and Tricks How to Weld the Right Way
· Chip off the slag with a welding hammer and then use a 36 grit grinding wheel to knock the beads down to the surrounding metal To ensure a flat flush surface move the grinder along the weld
MATERIAL WELDING FINISHES FOR SANITARY
MATERIAL WELDING FINISHES FOR SANITARY STAINLESS STEEL EQUIPMENT remain since no grinding or clean up is performed removed C Smooth high grade Although not flush welds are blended and smooth with no irregularities D 80 grit to 100 grit The weld will be ground flush and discoloration will be removed
