Questions tagged [welds]

Use this tag when the question deals with the design of welds or their uses. For questions about the physical process of making welds, use the [welding] tag.

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Does welding two metal parts together increases or decreases the strength locally there?

I have a structure made out of steel consisting of many thin rods and some of them are welded to each other. I conducted a simple FEA static structural analysis to determine if the structure would ...
Rameez Ul Haq's user avatar
1 vote
1 answer
485 views

When is a convex weld finish required?

In weld symbols one can specify the finish of the weld. In flush weld, for example, one needs to level the weld into a flat surface. I can imagine when this is needed: if something is required to rest ...
S. Rotos's user avatar
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1 vote
1 answer
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How can I make inside a LSAW pipe uniform and smooth?

I am using a LSAW 16mm(OD) pipe, and I need to have a smooth and uniform surface inside it so a piston can reciprocate easily inside it. What is the best and fastest way to remove the inside weld line?...
Amir's user avatar
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1 vote
0 answers
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How to weld a copper flange with a Nickel alloy pipe?

I have a copper flange and I want to weld it to a nickel alloy pipe. Normally, which welding technique is used to join these two parts? Also what is the filler material to be used to weld a copper ...
Selvaprakash Vijay's user avatar
7 votes
1 answer
681 views

How should the welded corner of this bracket be detailed?

Consider the design of the bracket shown in the figure below (it is assumed that the anchors are sufficient and are not considered below). My question concerns the detailing of the welded connection ...
egg's user avatar
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2 votes
2 answers
218 views

How does Electric arc welding compared to gas welding?

While focusing on Quality and strength of welded joints produced but both methods..
Umar's user avatar
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2 votes
1 answer
221 views

Plugging a 25A device (Welder) on 10A house plug

I would like to plug a 25A welder on a 10A house plug. I understand that it will not accept full power or the circuit breaker would switch. However, my question is if I may run under some lower power ...
Adrian Maire's user avatar
1 vote
3 answers
2k views

Tangential nozzle on vessel - weld preparation

What is the proper and recommended weld preparation for true tangential nozzle on pressure vessel. Where can something about this thematic be found. EDIT
Sysrq147's user avatar
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2 votes
3 answers
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What type is miter joint - Welding

Is miter joint in welding - butt joint or corner joint ? My example includes 45 degrees miter (90 degrees) angle on two SHS (Square Hollow Sections) - 50x50x3 [mm] Working with EN/ISO norms regarding ...
Sysrq147's user avatar
  • 341
4 votes
1 answer
2k views

What does the abbreviation "B.C." mean on a weld joint diagram?

A translator posted this diagram of a weld joint on a translator's forum (the figure below). What does the abbreviation "B.C." mean on the diagram?
CopperKettle's user avatar
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0 answers
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Help me guesstimate the loads I can apply to a little PE block welded to a PE wall

I want to mount some equipment into a polyethylene (PE) shaft. I can't bolt or drill directly into the walls, but the supplier of the shaft can weld little PE blocks onto the wall: 50x50x50 mm, with ...
mart's user avatar
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4 votes
1 answer
198 views

Determining the microstructure of steel after welding in modern computer software

How can the microstructure of steel after welding be determined in modern computer software? I am aware that there are 'classic' methods of predicting microstructures like Schaeffler, DeLong or WRC ...
bartosz.baczek's user avatar
7 votes
1 answer
3k views

How do you check a weld for applied moment?

I have a single angle connected to a double angle via a 3/16" weld I know there is a factored, applied moment at that connection. I would like to ask how I can go about checking the capacity of this ...
user32882's user avatar
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1 vote
1 answer
436 views

Should a welded connection between strut and waler be designed to take compression load?

Temporary structures are usually constructed in a less precise manner than permanent structures. This is more so in a braced deep excavation where the walls are in constant motion as the excavation ...
Question Overflow's user avatar
5 votes
1 answer
17k views

Effective Throat of Flare-Bevel Weld with Reinforcing Fillet

Occasionally I have to design T-connections between rectangular tube steel (HSS) members where I have a flare-bevel weld between the corner of the tube and the connecting flat member. If the weld ...
grfrazee's user avatar
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10 votes
1 answer
3k views

How do I calculate the strength of a weld joining two crossed rods?

While considering this recent question, I started wondering how to determine the strength of the welds in the steel mesh. As AndyT points out in his comment: The welds at the connections are only ...
Air's user avatar
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