Nadcap Approved Welding
Nadcap
Lynn Welding is proud to hold the following certifications by Nadcap.
Nadcap Certified Brazing
- AMS 2664 (Steels, Nickel Alloys, & Cobalt Alloys by use of Silver Alloy filler metals, and the properties of such joints, Brazing, Silver, for Use Up to 800 °F)
- AMS 2665 (Parts fabricated from Steels, Nickel Alloys, Cobalt Alloys, & Copper Alloys by use of Silver Alloys, and the properties of such joints., Brazing, Silver For Use Up to 400 °F)
- AMS 5940 (Covers a Cobalt-Nickel alloy in the form of bars, forging, s flash welded rings, and stock for forging, flash welded rings, or heading, Parts requiring a combination of high strength and low expansion properties up to 1300°F)
NADCAP APPROVED WELDING CERTIFICATION FOR BOTH LOCATIONS
SCOPE OF ACCREDITATION
Welding
Lynn Welding Co Inc
75 Rockwell Rd
Newington, CT 06111-5535
This certificate expiration is updated based on periodic audits. The current expiration date and scope of accreditation are listed at: www.eAuditNet.com - Online QML (Qualified Manufacturer Listing)
In recognition of the successful completion of the PRI evaluation process, accreditation is granted to this facility to perform the following:
AC7110 Rev F - Nadcap Audit Criteria for Welding/ Torch and Induction Brazing and Additive Manufacturing (This is required for all Welding / Torch and Induction Brazing and Additive Manufacturing audits) (to be used on audits on/after 30 April 2017)
AC7110/1 Rev H - Nadcap Audit Criteria for Brazing (Torch/Induction) (to be used on audits on/after 7 August 2016)
Baseline (All audits)
Supplement A – Torch (Additional requirements)
Supplement G – Processes using gas (Additional requirements)
Supplement H – Processes using Flux – (Additional requirements)
AC7110/4 Rev H - Nadcap Audit Criteria for Resistance Welding (Spot, Seam, Projection)
- Baseline (All audits)
- Projection Welding – sheet (identify if this process is used)
- Seam Welding – sheet (identify if this process is used)
- Seam Welding –foil (identify if this process is used)
- Spot Welding – foil (identify if this process is used)
- Spot Welding – sheet (identify if this process is used)
- Supplement A – Aluminum / Magnesium (Additional requirements)
- Supplement B – Shear Testing (Additional requirements)
- Supplement F – Metallographic Evaluation of Resistance Welds (Qualification and / or Process Control) (Additional requirements)
AC7110/4S Rev E - Nadcap Supplemental Audit Criteria for Resistance Welding
- U10 GE Aviation
- U11 The Boeing Company
AC7110/5 Rev H - Nadcap Audit Criteria for Fusion Welding
- Baseline (All audits)
- Supplement D–Material – Additional requirements for titanium welding
- Supplement F–Filler Materials (Additional requirements)
- Supplement G–Processes using Gas (For example GTAW, PAW) (Additional requirements)
- Supplement H–Preheat / Interpass temperature control (Additional requirements)
- Supplement J–Tack Welding (Additional requirements)
AC7110/5S Rev D-Nadcap Supplemental Audit Criteria for Fusion Welding
- U10 GE Aviation
- U11 The Boeing Company
AC7110/12 Rev F - Nadcap Audit Criteria for Welder/Welding Operator Qualification (This checklist is required if the audit includes AC7110/3, /5 or /6)
- Baseline (All audits)
- Supplement A – Metallographic Evaluation of Qualification Welds (Additional requirements)
AC7110/12S Rev H - Nadcap Supplemental Audit Criteria for Welder/Welding Operator Qualification (This checklist is required if the audit includes AC7110/3, /5 or /6) (to be used on audits on/after 4 September, 2016)
- U10 GE Aviation
- U11 The Boeing Company
NADCAP Certified Welding
- GTAW welding per D17.1 Class A, B and C
- GTAW welding per Mil-STD-2219 Class A, B and C
- GTAW welding per BPS 4404 (Bell Approved)
- GTAW welding per AMS-STD-2219 (ULA Approved)
- GTAW welding per PWA 16 (Pratt and Whitney Approved)
- GTAW welding per CPW 24 (Pratt and Whitney Canada Approved)
- GTAW welding per BAC 5975 (Boeing Approved)
- GTAW welding per HS 191 (UTAS Approved, Formerly Hamilton)
- GTAW welding per P8TF3 (GE Aviation Approved)
- GTAW welding per EPS 14530 (Rolls Royce Approved)
- GTAW welding per Gamps 2302 (Gulfstream Approved)
- GTAW welding per Ground Combat Vehicle Welding Code 12479550
- GTAW welding per AWS D1.1
- GTAW welding per AWS D1.2
- GTAW welding per AWS D1.3
- GTAW welding per AWS D1.4
- GTAW welding per AWS D1.6
- GTAW welding per AWS D1.9
NADCAP Certified Resistance (spot) welding
- Resistance spot welding per Mil-W-6858
- Resistance seam welding per Mil-W-6858
- Resistance spot welding per AMS-W-6858
- Resistance seam welding per AMS-W-6858
- Resistance spot welding per AWS D17.2
- Resistance seam welding per AWS D17.2
- Resistance spot welding per BPS 4115 (Bell Approved)
- Resistance seam welding per BPS 4115 (Bell Approved)
- Resistance spot welding per BAC 5977 (Boeing Approved)
- Resistance seam welding per BAC 5977 (Boeing Approved)
- Resistance spot welding per PWA 15 (Pratt and Whitney Approved)
- Resistance seam welding per PWA 15 (Pratt and Whitney Approved)
- Resistance spot welding per CPW 23 (Pratt Canada Approved)
- Resistance seam welding per CPW 23 (Pratt Canada Approved)
- GTAW welding per Gamps 2301 (Gulfstream Approved)
NADCAP Certified Brazing
- Torch Brazing per AMS 2664
- Torch Brazing per AMS 2665
- Torch Brazing per AMS 5940 (Boeing Approved)
- Torch Brazing per PN 05.41 (Utas Approved)
- Torch Brazing per AWS C3.4
NADCAP Certified Quality control
- Aircraft Welding
- Aluminum Welding
- Titanium Welding
- Aerospace Welding
- NADCAP Welding
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