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Our Commitment to Quality

C4 Welding is built on a foundation of quality in everything we do–from customer service to precision machining to critical welding and more. Quality is our highest priority, and we take several measures to ensure that each of our customers receives the highest quality for the best value. 

Testing & Inspection for Quality Metal Fabrication

C4 Welding offers a wide range of proactive, non-destructive testing capabilities to ensure our fabrications and welds are up to the job! Each is conducted by an experienced and trained quality inspector and performed onsite or in-house on request.

Certified Quality Systems

C4 Welding is ISO 9001: 2015 certified throughout our shop for quality manufacturing and welding, a certification we maintain yearly. In addition, our Standard, ISO-certified quality management system for non-pressure vessel applications also adheres to the requirements for MIL‐I‐45208. 

We are ASME certified for pressure vessel manufacturing and welding. We have three certified weld inspectors on staff and an authorized ASME Inspector on-site daily to ensure that our welds adhere to ASME standards.

Welding Qualifications

  • 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)

Procedures conforming to customer-specific/other agency 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)

Providing Quality and Value at Each Step

Value Engineering

Cost-Reduction Analysis & Design

Critical Welding

National Reputation for Weld Excellence

Performance Testing

Products Tested to Expected Performance

NDE Inspection

Evaluation without affecting serviceability

Let Us Know How We Can Help You!

C4 Welding specializes in providing tailored solutions for all our customers’ welding and manufacturing needs. We cater to all levels of welding and offer precision manufacturing that can meet even the most demanding military standards. For more information or to request a quote, contact us today!