I don’t suggest welding in this particular case because the intense heat generated in the process may burn right through the thin section. You want to adopt brazing when you’re working to create a T-joint bonding a piece of sheet metal to metal stock where the thickness of both pieces is 0.5 inch.
Thinner sections are better joined by brazing. Metal sections that are 0.5 inch or thicker can be handled with almost equal efficiency by both methods. Let me explain each of those situations where brazing proves to be more viable than welding. There are several considerations that dictate the choice between these two methods. As the filler contacts the heated parts, it gets instantly melted and then drawn through the joint by the capillary action. The base metals receive heat broadly and are brought into a direct contact with the filler material. How Brazing Works?īrazing produces a metallurgical bond between your base metal surfaces and the filler metal. Temperatures and energy requirements during the former are considerably lower than the latter’s.
You can use the same base metal for both brazing and welding. Temperatures during this process are lower than the base metal’s melting point. The strength of the joints either becomes equal to or greater than that of your base metals.īrazing doesn’t involve melting or fusion. Concentrated heat is directly applied to the joint to achieve fusion as the temperatures rise above the melting point of both the filler in use and metals being joined. Welders melt and fuse metals to join them adding a specific filler material. Both methods are commercially viable, but they work differently. Brazing: The Most Relevant Alternative to WeldingĬompared with soldering, fastening, and other options for joining metal, welding and brazing are more effective when the joints are expected to be permanent and strong. I’ll start with brazing and then proceed with other methods which have some benefits over welding but not without their inevitable limitations. Here is a list of different ways to join metal effectively without welding –
Since welded joints get no provision for contraction or expansion which often occur with time and usage, racks are likely to appear.Uneven distribution of heat and cold temperatures across the metals being joined may cause distortion and extreme stress in the joints.Lack of filler materials in the right proportion and other factors may cause the joints to be brittle and lose fatigue strength.
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Problems with Welding: Why Look For Another Way To Join Metal Without Weldingīefore proceeding to learn how to bond metal to metal without welding, I think you should find out why you want to look beyond welding in the first place. But let me tell you which things about welding tip the scale in favor of other choices. In this article, I’ll discuss each bonding process covering their basics and enlighten you with details about their relative usability in comparison with welding. However, each of these methods is subject to certain considerations.
Is there really another way to join more than one metal part while keeping up the strength and integrity of the bond? From what I’ve learned all these years, I would say there are six different ways to do that. But the use of electricity, need for skilled labor, and susceptibility to poor penetration, slag inclusion, and porosity bring other bonding methods into perspective. Metal joinery is an important part of the fabrication process where welding is often considered as the best course of action for its ability to produce the strongest and most efficient of all joints.