TIG, MIG, and Robotic Welding | Rochester Welding

Rochester Welding specializes in TIG, MIG, and robotic welding produced by seasoned professional welders. We have a vast library of qualified welding procedure specifications that includes various grades of stainless steel, carbon steel, aluminum and steel armor plate using both semi-automatic and manual welding processes.

UPSTREAM core competencies:

Drawing review and aid in bidding prospective projects with PMs and Estimating Dept.
Make use of APQP and manufacturability & constructability reviews
Involved in related manufacturing and processing team discussions
Collective fixture conception, collaboration, and team review with Design Eng. Dept.
Acquire, obtain, and implement proper welding equipment and best practices in effort to obtain code-level welding quality in a highly efficient manner.
AWS Members, extensive latest edition resource Library maintained.

WELDING PROCESSES employed:

MIG welding – (GMAW-S, GMAW-P, GMAW)

TIG welding – (GTAW)

MIG-Aluminum – (push-pull GMAW-P, GMAW-Spray)

Robotic MIG welding – (Automatic GMAW-S, GMAW-P, and FCAW-GM)

Resistance Spot/Projection Welding – RSW, PW

Flux Cored Arc Welding – FCAW-GM

Preheating and Interpass Temperature control

BASE METALS used (typical and “standards”):

Armor – 12560, 46100, and Domex Alloys

Carbon Steels – A36, A500, A513, A1011HR, A100CR, C1020

HSLA (High Strength Low Alloy) Steels – A572 Grade 50, A588, A656

HTLA (Heat Treatable Loy Alloy) Steels – A514 Grade B & H, A519 Grades 4130, & 4140

Stainless Steels and Nickel alloys – 304/304L, 316/316L, 321, Hastelloy X

Aluminum; Non Heat Treatable and Heat Treatable – 3003, 5052, 5083, 5086, 6061, and 6063

Expanded Metal – Flattened and Standard; Steel, SS, Al

FILLER METAL usage:

ER80/90S-D2, ER70S-6, and E100/110S

E70C, and E90C-D2

ER308L, R309L, R347, RNiCrMo-2

E308LT1-4

ER5356, E5183, and ER4043

SHIELDING GASES utilized:

90/10 (Ar+CO₂) 95/5 (Ar+O₂) 100% Ar (Argon)

75/25 (Ar+He) 75/25 (He+Ar) 75/25 (Ar+CO₂)

95/5 (Ar+CO₂) 98/2 & 95/7.5/2.5 100% He (Helium)

WELDING QMS (Quality Management System)

In-house qualification to AWS (American Welding Society) D1, B codes, and MIL-STDs:

D1.1-Steel

TACOM Ground Combat Vehicle Welding Code-Steel

D1.2-Aluminum

D1.3-Sheet Steel

D1.6-Stainless

B2.1

D17.1-Aerospace

PQRs (Procedure Qualification Records)
- Development
- Macroetch/macrograph
- Bend Tests
- Brinell
- RT/UT (outsourced)
- Tensile tests (pulls outsourced)
- Write-up

WPSs (Welding Procedure Specifications)
- Write-up
- Weld Information Boards
- WPS matrices
- Continual training

WPQRs (Welder Performance Qualification Records)
- Training
- Testing
- Certification
- Welder Continuity Logs and Matrices
- Welder Wallet Cards
- RT (outsourced on occasion)
- Macroetch/macrograph
- Bend Tests (performed internally; preferred over RT)

WELDING INSPECTION

CWI two (2) Certified Welding Inspectors and one (1) CAWI oversight before, during, and after welding

Filler Metal and Shielding gas CoCs, official reports, PPAP packages, Weld Maps.

Process Monitoring
- Use of calibrated Fluke 275 Amp-Voltmeter to verify adherence to WPS amperage, voltage, and Preheat & both min. & max. Interpass temperature essential variable ranges.
- GTFM (calibrated Gas Turbine Flow Meter), shielding gas flow verification.

Destructive Testing by way of
- Cut & Etch; -macroetch and macrograph capabilities for Carbon/Alloy Steel, Stainless, and Aluminum.
- Pry & peel and RSW button/nugget testing
- Torsion/Torque testing for projection weld nuts and studs
- Push-out testing for projection welded nuts and studs
NDE; 3^rd Party ASNT Level II RT, PT, UT, MT services on call (Lab or Call out)

WELDING OPERATIONS

Job kitting; components and details for weldments are kitted with job traveler and drawings
Welders, Welding Engineer, and CWI discuss (line-up) work before fabrication begins.
Certified WPQRs in 2G for plate, and 2G, 5G, & 6G for tube and pipe for all RWCI typical base metals.