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  • Code Welding

Code Welding

Ohmstede Industrial Services (OIS) provides an extensive range of services for replacement and/or restoration of flange and/or component faces up to 120” in diameter. OIS is the organization that can successfully move your maintenance event or project forward to completion. Our experts understand the critical components that must merge to ensure proper fit-up and closure.

Our Critical Welding Services team strive to maintain a standard of excellence that exceeds industry standards in all facets of safety, quality and productivity. By cultivating a proactive, positive work environment and attitude from management to the professional craftsmen. At OIS, we pride ourselves in having an elite team of thoroughly vetted and well respected, highly trained team members.

  • Welding new material to existing
  • Restricted access to the work
  • Restricted visual of the work
  • Environmental influences which impact the weld
  • Metallurgy resistance to the bond

Performance based trust

  • 2019: Weld rejection rate < 2%
  • 200+ approved ASME section IX weld procedures
  • AWS certified welding inspectors


  • Aluminum and (Al) Aluminum Alloys
  • Carbon Steel and Low-alloy steels (CS, HSLA)
  • Chrome Moly Steel (Cr-Mo)
  • Stainless Steel (SS) 300 & 400
  • Stainless Steel – Duplex
  • Copper and Copper Alloys (Cu)
    ○ Copper (Cu)
    ○ Brass
    ○ Silicon Bronze
    ○ Aluminum Bronze
    ○ Copper-Nickel
  • Nickel and Nickel Based Alloys
  • Nickel (Ni), i.e. Nickel 200
  • Nickel-Copper Alloys, i.e. Monel 400
  • Chromium-Bearing Solid Solution Alloys,
      i.e. Incoloy 825, C-276, Inconel 625, Inco 686
  • Nickel-Molybdenum Alloys, i.e. Hastelloy B-2
  • Precipitation-Hardening Alloys
  • Inconel 718/725
  • Monel K-500
  • Titanium (Ti)
  • Zirconium (Zr)