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Rob Koltz
ESAB Welding & Cutting Products
411 S. Ebenezer Rd.
Florence, 29501
636-485-2253
- From The Welder
Improving results in flat-position submerged arc welding
- By David Meyer and Rob Koltz
- Jan 23, 2024
- Consumables
- Blog Post
The Consumables Corner team helps a shop that’s struggling with submerged arc welding quality when welding in the flat position.
- From The Welder
Selecting shielding gas for GMAW and FCAW
- By David Meyer and Rob Koltz
- Dec 11, 2023
- Consumables
- Blog Post
The Consumables Corner team reminds readers of some basic principles when choosing a shielding gas for GMAW and FCAW applications.
- From The Welder
Weld cracking when joining stainless and carbon steel
- By David Meyer and Rob Koltz
- Sep 27, 2023
- Consumables
- Blog Post
The Consumables Corner duo address a question regarding the discovery of weld cracking in horizontal fillet welds—something that wasn’t happening in flat groove welds.
- From The Welder
Consumables Corner: Roadmap to success for a welding supervisor
- By David Meyer and Rob Koltz
- Aug 22, 2023
- Consumables
- Article
The Certified Welding Supervisor certification and material will help welders learn more about deposition rates, efficiencies, and output.
- From The Welder
Consumables Corner: Troubleshooting lack of fusion and porosity in submerged arc welding applications
- By David Meyer and Rob Koltz
- Jul 5, 2023
- Consumables
- Article
The Consumables Corner duo address a reader’s struggles with lack of fusion and porosity on complete joint penetration welds, a common issue with submerged arc welding.
- From The Welder
Understanding the relationship between deposition rate, deposition efficiency, and production output
- By David Meyer and Rob Koltz
- Mar 25, 2023
- Consumables
- Article
The Consumables Corner duo clarify deposition rate, deposition efficiency, and production output, as well as provide some real-world examples of the terms.
- From The Welder
Diagnosing porosity issues in vertical-up gas metal arc welding-pulse (GMAW-P)
- By David Meyer and Rob Koltz
- Jan 20, 2023
- Consumables
- Article
The Consumables Corner team addresses a shop’s porosity issues in vertical-up welding using gas metal arc welding-pulse.
- From The Welder
Consumables Corner: Preheat and interpass temperature defined, Part II
- By David Meyer and Rob Koltz
- Nov 15, 2022
- Consumables
- Article
In Part II, the Consumables Corner duo continue the discussion on preheat and interpass temperature—specifically, the reasoning for preheat and interpass control and their effects.
- From The Welder
Consumables Corner: Preheat and interpass temperatures defined in welding, Part I
- By David Meyer and Rob Koltz
- Oct 19, 2022
- Consumables
- Article
Consumables Corner columnists David Meyer and Rob Koltz define preheat and interpass temperatures and explain the confusion surrounding how and when to measure the two.
- From The Welder
Consumables Corner: Welding process and fillet size limits
- By David Meyer and Rob Koltz
- Aug 13, 2022
- Consumables
- Article
The Consumables Corner duo discuss what to consider with large welds, most notably the number of passes required.
- From The Welder
Consumables Corner: Why a shop using GMAW with C25 shielding gas experienced porosity
- By David Meyer and Rob Koltz
- Jun 22, 2022
- Consumables
- Article
A foreman at a metal fabrication and welding shop wonders why using a GMAW filler metal with C25 shielding gas led to porosity.
- From The Welder
Consumables Corner: The secret behind those preset weld parameters on your power source
- By David Meyer and Rob Koltz
- Apr 20, 2022
- Consumables
- Article
Consumables Corner columnist Rob Koltz and Dave Meyer explain what variables matter in setting weld parameters and how equipment manufacturers determine preset parameters for their power sources.
- From The Welder
Consumables Corner: Welding duplex stainless steels
- By David Meyer and Rob Koltz
- Feb 4, 2022
- Consumables
- Article
Consumables Corner columnists Rob Koltz and Dave Meyer discuss duplex stainless steel and shed light on what to consider when welding them.
- From The Welder
Consumables Corner: Why are welders experiencing amperage variation on machines doing the same work?
- By David Meyer and Rob Koltz
- Dec 13, 2021
- Consumables
- Article
The Consumables Corner team explains why the same welding parameters sometimes result in different amperages during wire feed welding processes.
- From The Welder
Consumables Corner: Why defects happen with one-sided submerged arc welding
- By David Meyer and Rob Koltz
- Nov 3, 2021
- Consumables
- Article
One-sided submerged arc welding is a unique process that has equally unique weld defects. Find out what variables make or break this process.
- Podcasting
- Podcast:
- The Fabricator Podcast
- Published:
- 04/16/2024
- Running Time:
- 63:29
In this episode of The Fabricator Podcast, Caleb Chamberlain, co-founder and CEO of OSH Cut, discusses his company’s...
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