Specialty & Critical Welding
We bring your ideas to life. Save money by curbing unnecessary fabrication cost. Our in-house expert metalworkers have experience in welding a variety of metals ranging from stainless steel, carbon steel, titanium and other unique metals.
We stand behind our work!
We employ an accredited staff of college degreed engineers, certified welders and American Welding Society (AWS) certified weld inspectors.
Our engineers welcome unusual design challenges that require unique sizes, shapes or exotic metals. We use our design, certified welders and manufacturing engineers to ensure fabrication of your product.
Precision Metal Welding
With a national reputation for welding excellence, we handle every detail of your project. Our critical welding engineers provide manufacturing support with the following:
- Project scope and design
- Experienced, certified welders with high proficiencies in
- TIG or Gas Tungsten Arc Welding (GTAW) MIG, Sub-arc and Stick welding
- MIG or Flux-Cored Arc Welding (FCAW)
- Stick or Shielded Metal Arc Welding (SMAW)
- Sub-arc or Submerged Arc Welding (SAW)
- Along with RSW (Spot) | OXY‐Fuel
- Certificate of Compliance (COC)
- Manufacturing documentation
Our welding engineers and certified welders can support and weld a wide range of materials such as: Carbon Steel | 1008, 1010, 1011, 1015, 1018, 1020, 1040, A36, A366, A569, A588, A622, A786, A53, A500, A106, A335, A513, A333, 1026, 1027, A335 High‐Strength Steels | Domex 100 XF, HY 100, A656 Gr., 80 A565 Gr. 80, A514, INX‐50, Ex‐Ten 50, A572 Gr. 50, A588 Mod, T‐1 Type A, T‐1 Type B, T‐1 Type C, A285, A515, A516, A715, A606, Crane Materials Stainless Steels | 304, 304/304L, 316/316L, 317, 321, 347, 405, 409, 410, 630, 15‐5, 17‐4, Duplex Alloy Steels | 4130, 4140, 4320, 4340, A204 GR B, SA 387, A517, 8620, A331, A286, Cor‐Ten A, Cor‐Ten B Nickel Alloys | AMS 5870, INCONEL 617, INCONEL 625, INCONEL 601, Monel 400, B443, A494, Hastelloy, Invar 36, Nitronic 50, Cobalt‐chrome, Stellite, 2.25cr‐1mo (Chrome Alloy), .5cr‐.5mo (Chrome Alloy), 1cr‐.5mo (Chrome Alloy) Aluminum | 3003, 5052, 5083, 5086, 6005, 6061, 6063, 6105, 356 Cast Other Materials | Titanium Grade 5 ‐TI‐6AI‐4V, A‐487 Grade 9, A27, Ductile Iron 60‐45‐15 Class M2, Ductile & Grey Iron A‐48 or A536 The previous lists were not intended to be all‐inclusive. Please contact us if your specific material is not listed.
Tell us About Your Next Project
Our dedicated and knowledgeable team’s welding, machining and manufacturing experiences allows us to manage and build your projects on time while keeping your specifications in mind.
Ready to begin?
GTAW (Tig) | GMAW (Mig) | FCAW (Flux Core) | SMAW (Stick) | SAW (Sub‐Arc) | RSW (Spot) | OXY‐Fuel
You won’t find the same level of internal expertise when dealing with most welding companies. Our welding engineers are professionals, and we maintain the qualifications to meet the specifications of your critical welding projects. If you don’t see something on the list, please ask us. For more information, contact us. As a rule, C4 Welding’s weld procedures are qualified in accordance with these three specifications:
- ASME Sections VIII & IX
- AWS D1.1 (Steel), D1.2 (aluminum), D1.6 (stainless steel), D14.1 (material handling) & D17.1
- NAVSEA S9074‐AQ‐GIB‐010/248 (MIL‐STD‐248) and S9074‐AQ‐GIB‐010/278 (MIL‐STD‐278)
At the same time, many procedures conform to customer‐specific and other agency‐required standards such as:
- NACE MR01‐75/ISO 15156‐X
- DNV (Off‐Shore Standard) and DNV‐OS‐E101 (Drill Plant)
- API Specification 6A/16A ASME B31.1 (Power Piping)
- ASME B31.3 (process piping)
- Ground Combat Vehicle Welding Code (aluminum 12472301) and (steel 12479550)
The previous lists were not intended to be all‐inclusive. Our highly skilled welding operators are cross‐trained and certified for a wide range of welding codes and processes. Please contact us if your specific welding code or process is not listed.
Cost-Reduction Analysis & Design
National Reputation for Weld Excellence
Products Tested to Expected Performance
Evaluation without affecting serviceability
About C4 Welding, Inc
C4’s original owner focused his business activities on providing high‐precision “critical” welding services. The portfolio of former and current customer projects is a roster of leading companies across many industries.
Over the years, C4 has consistently added more and more depth to our solutions, including large and small part machining services, manufacturing engineering, mechanical design, assembly, OEM manufacturing, and fabrication services. After the purchase of the Company from the original owner in 2013, C4 has accelerated the range of in-house manufacturing and engineering capabilities with the purchase of a 5 axis bridge mill, 2 vertical machining centers, manual lathes, the installation of a paint booth and more, we can handle your project in house from start to finish.
Street Address: 11 Industrial Blvd. | Sauk Rapids, MN 56379 USA
Phone: 320.253.2699 | Fax: 320.253.4804
Sales-Related Inquiries: 320-253-2699 | Email: email@example.com
Human Resources-related Inquiries: 320-253-2699 | Email: firstname.lastname@example.org
Hours of Operation: Monday – Friday: 8:00am – 4:00pm