D. L. Martin works in a full range of welding technologies including MiG, TiG, spot, stud, and robotic automation. D. L. Martin welders are certified welders to the Canadian Welders Bureau (CWB) standard W47.1, Division 3 aligned to the elevator industry standards.
U.S. Navy Standards:
NAVSEA TECHNICAL PUBLICATION S9074-AQ-GIB-010/248 REV 1 REQUIREMENTS FOR WELDING AND BRAZING PROCEDURE AND PERFORMANCE QUALIFICATION
- S1 to S1 (Carbon Steel)
- S8 to S8 (High Alloy Steel (Austenitic))
- S8 to S42 (High Alloy Steel (Austenitic) to Nickel-Copper)
- S34 to S42 (Copper-Nickel to Nickel-Copper)
- S42 to S42 (Nickel-Copper)
- S42 to S43 (Nickel-Copper to Nickel-Chromium-Iron & Nickel-Chromium-Molybdenum-Columbium (Inconel))
- S43 to S43 (Nickel-Chromium-Iron & Nickel-Chromium-Molybdenum-Columbium (Inconel))
NAVSEA TECHNICAL PUBLICATION T9074-AS-GIB-010/271 REV 1 REQUIREMENTS FOR NONDESTRUCTIVE TESTING METHODS
Below procedures are IAW Tech Pub 271 and ASNT SNT-TC-1A
- DLM Written Practice for NDT Certification and Qualification for Nondestructive Personnel
- (VT) Visual Inspection
- (PT) Liquid Penetrant Inspection
- Level II PT Inspection in Accordance with SNT-TC-1A & T9074AS-GIB-0101/271