Seamless stainless steel tubing is extruded and drawn from a billet. Welded stainless steel tubing is produced from a strip that is roll formed and welded to produce a tube.
Welded stainless steel tubing is generally less expensive than seamless. However, seamless stainless steel tubing is preferred for most instrument applications.
There are two main reasons for this:
- Welded stainless steel tubing is considered to be inhomogeneous in the weld area, thus making it less corrosion resistant and giving it different malleability properties than seamless stainless steel tubing. Recognized standards for the working of the weld area of stainless steel tubing are very open and allow for a wide range of homogeneity in the finished tube.
- By code, the allowable working pressure of welded tubing is 20% less than that of seamless stainless steel tubing.
Forberg Scientific carries a large varietity of stainless steel tubing in both welded and seamless. We can also provide different types of hard to find exotic material. Please contact our customer service to receive pricing and lead times.
Toll Free: 1-855-288-5330
Email: mechanicalsales@forberg.com
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