What kind of tubing do you use for a motorcycle frame?

What is DOM tubing?

Drawn Over Mandrel (DOM) Round Mechanical Tubing is a cold drawn 1020/1026 electric resistance welded tube with all the flash removed prior to cold drawing. In comparison to other tubing, DOM round steel tubing is produced to more exact OD and ID tolerances, and has the highest weld strength possible.

What type of welding is used for bicycle frames?

TIG welded joints are the most common type today, found on lots of bikes and lots of styles.

Can you mig weld a bike frame?

While we won’t say you can’t MIG or Stick weld a bike frame together, most bicycles use a combination of brazing and TIG welding for their construction. Why TIG? Because welding a bicycle frame requires a lot of control over your heat, a task that’s more easily accomplished with a TIG welding pedal.

What kind of steel is used for motorcycle frames?

Steel is the most commonly used material in bike frames. Carbon or high-tensile steel is a good, strong, long-lasting steel, but it isn’t as light as its more high-tech brother, the steel known as chromoly. A workhorse of the industry, chromoly is a light, strong steel.

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Is square tubing stronger than round tubing?

The simple answer to this question: Round tubing is ideal for bending. Its strength and formability makes round tubing the clear winner over square tubing.

Can you mig weld DOM tubing?

DOM will “mig” just fine. “tig” will make a stronger weld, but may not be necessary for your application. If a “roll cage” is what you have in mind be sure to “gusset” it generously….and you’ll be O.K.

What is seamless pipe?

Seamless pipes are derived from solid steel that is in sheet or bar form and is formed into a solid round shape known as “billets” which are then heated and cast over a form such as a piercing rod to create a hollow tube or shell.

Are lugs stronger than welds?

Even older Aluminum frames used lugs, they were called bonded frames. These bonded frames are actually stronger then the welded aluminum frames…

Can you braze a motorcycle frame?

Brazing is perfectly acceptable for a motorcycle frame. You do have to do some engineering. The best joints are tube and socket where a form of sweating is used. The best method for this is furnace brazing which is far more complex than using your MAP torch and some flux coated rod.

Is brazing as strong as welding?

Comparative Advantages. First, a brazed joint is a strong joint. A properly made brazed joint (like a welded joint) will in many cases be as strong or stronger than the metals being joined. Second, the joint is made at relatively low temperatures, ranging from about 1150°F to 1600°F (620°C to 870°C).

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Why are bike frames brazed instead of welded?

“Traditionally frames have always been brazed not because a weld would fail but because the tube would fail right next to the weld due to the tube being very thin. Many bicycle tubes are heat treated to strengthen them.

Can an aluminum bike frame be welded?

Aluminum can’t be re-welded to its original strength like steel can. If you weld it, it will be barely any stronger than not, and you run the risk of a major breakage. I would just replace the frame rather than attempt to repair it.