Welded Tubing Products

Get it done with stainless steel & alloy welded tubing

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KVA provides a wide range of alloys & sizes in welded tubular products. As a direct mill source and custom manufacturer, we offer just-in-time production.

KVA has substantial experience forming and welding high strength alloys, including patented welding technology developed for air hardening grades. The highest quality procedures are employed to ensure welded tube with the best possible mechanical properties throughout the heat-affected-zone (HAZ). KVA excels in tackling every job and project, no matter how difficult, due to the can-do attitude of our staff - from owners to engineers to mill operators.

KVA tubing is proudly Made in the U.S.A. and is produced in our state-of-the-art facility in southern California.

The following charts list our current size range and thickness capabilities: OD: 0.500 - 2.500" (12.7-63.5 mm) | Wall: 0.016 - 0.110" (0.40-2.75 mm) | Length: 5 - 30’ (1.5-9 m) Please Request a Free Quote for specific quantities and sizes.

  • B-2 (UNS N10665)
  • B-3 (UNS N10675)
  • C-22 (UNS N06022)
  • C-22HS
  • C-276 (UNS N10276)
  • C-2000 (UNS N06200)
  • C-4 (UNS N06455)
  • G-30 (UNS N06030)
  • G-35 (UNS N06035
  • G-50 (UNS N06950)
  • Chemical processing
  • Power generation
  • Pollution control
  • Pulp and paper production
  • Waste treatment
  • Food processing
  • Marine environments
  • Automotive industry
  • High temperature environments
  • Evaporators & heat exchangers
  • Aerospace industries
  • Chemical reaction vessels
  • Fertilizer production industry
  • 20 (UNS N08020)
  • 22 (UNS N06022)
  • 200 (UNS N02200)
  • 201 (UNS N02201)
  • 276 (UNS N00276)
  • 400 (UNS N04400)
  • 600 (UNS N06600)
  • 601 (UNS N06601)
  • 625 (UNS N06625)
  • 718 (UNS N07718)
  • 825 (UNS N08825)
  • X-750 (UNS N07750)
  • Incoloy
  • Aerospace industries
  • Marine industries
  • Nuclear reactors & pumps
  • Gas turbines
  • Chemical plant hardware
  • Acidic environments
  • Petrochemical processing
  • Pulp & paper production
  • 304 – 304L – 304H
    (UNS S30400, S30403, S30409)
  • 309 – 309S – 309H
    (UNS S30900, S30908, S30909)
  • 310 – 310S – 310H
    (UNS S31000, S31008, S31009)
  • 316 – 316L
    (UNS S31600, S31603)
  • 317L (UNS S31703)
  • 321 – 321H (UNS S32100, S32109)
  • 347 – 347H (UNS S34700, S34709)
  • 410 (UNS S41000)
  • 410S (UNS S41008)
  • 416 (UNS S41600)
  • 420 (UNS S42000
  • 431 (UNS S43100)
  • 439 (UNS S43035)
  • 440 (UNS S44000)
  • 455 (UNS S45500)
  • 465 (UNS S46500)
  • 904L (UNS N08904)
  • 13-8 (UNS S13800)
  • 15-5 (UNS S15500)
  • 15-7 (UNS S15700)
  • 17-4 (630) (UNS S17400)
  • 17-7 (631) (UNS S17700)
  • 254SMO (UNS S31254)
  • AL6XN (UNS N08367)
  • Duplex 2003 – 2102 – 2205 – 2304 – 2507
    (UNS S32003, S82011, S31803/S32205, S32304, S32750)
  • Zeron 100 (UNS S32760)
  • Power generation
  • Heat exchangers
  • Food processing
  • Architectural & structural
  • Kitchen equipment
  • Chemical processing
  • Structural components
  • Automotive industry
  • Bicycle tubing
  • Renewable energy
  • Heliostat frames
  • Austenitic Steel boiler
  • Transport, oil, & gas production pipelines
OD (in.) KVA MSS As-Welded Tube Capabilities In Inches
0.500
0.625
0.750
0.875
1.00
1.125
1.250
1.375
1.500
1.750
2.000
2.500
0.016 0.020 0.024 0.028 0.031 0.035 0.039 0.043 0.047 0.051 0.055 0.059 0.063 0.067 0.071 0.075 0.079 0.098 0.110
Wall Thickness (in.)
New Tooling Required In House Tooling
  • Secondary Processing & Services

    • Annealing
    • OD Finishing
    • Tube Marking
    • Cut To Length
    • Cold Drawing*
    • Heat Treating*
    • Bending*
    • *Local Mfg. Partners
    Request a Free Quote
  • KVA produces seam welded tubing to the following standards:

    (For alternate standards inquiries please Contact Us)
    • ASTM A249, A268, A1016, A554, A999
    • ASME SB-515, SB-165, SB-516, SB-444, SB-704, SB-626, SA 249
    Contact Us for Specific Standards Questions