Tubing

Welded Tubing

Welded tubing is produced by roll-forming strips or sheets into a tube shape, then welding the seam longitudinally. While welded tubing can be produced through either hot forming and cold forming processes, cold forming results in smoother finishes and tighter tolerances. At James Duva, Inc., our stock tubing is bright annealed. Through a process of…
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Seamless Tubing

Seamless tubing is fabricated without a welded seam. A cylindrical bar of steel called a billet is pierced through the center and drawn over a mandrel. The billet is then forced through a die, rolled and stretched until it meets the exact diameter and wall thickness as required by ASME (American Society of Mechanical Engineers)…
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Manufacturers

Full Selection of Domestic & Import

Tubing - Welded & Seamless

1/8” thru 12” OD
.010 thru .500 Wall
Instrumentation
Sanitary & BioPharm

Services:

  • Cutting
  • Cleaning & Polishing

Tubing Specifications

Specs.
A213 A249 A269 A511
A213 A249 A269 A511
A213 A249 A269 A511
A213 A269 A511 A249
A213 A269 A511 A249
A213 A269 A511 A249
A213 A269 A511 A249
A268
A789 A790
B729
B622
B210
B677
B161 B163
B163 B165
B163 B167
B163 B167
B163 B407
B163 B423