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Nino Mascalco
- From The Welder
Consumables Corner: Diagnosing the obvious and not-so-obvious causes of porosity
- By Nino Mascalco and Rob Koltz
- Nov 25, 2020
- Consumables
- Article
Weld porosity is a dangerous weld defect that has myriad causes. Rob Koltz and Nino Mascalco analyze a reader's situation and help him nail down what's causing the porosity in his pipe fabrications.
- From The Welder
Consumables Corner: How to diagnose and prevent weld cracking
- By Nino Mascalco and Rob Koltz
- Oct 28, 2020
- Consumables
- Article
Weld cracking is a complicated and serious problem that can happen to any welder. Nino Mascalco and Rob Koltz provide a rundown of weld cracking and explain how you can prevent it from happening.
- From The Welder
Consumables Corner: Why you shouldn’t use shielding gas with self-shielded FCAW electrodes
- By Nino Mascalco and Rob Koltz
- Aug 26, 2020
- Consumables
- Article
Rob Koltz and Nino Mascalco provide background on FCAW electrodes and explain why it’s a bad idea to use shielding gas with self-shielded electrodes.
- From The Welder
Consumables Corner: Strategies for vertical-up welding of stainless steel
- By Nino Mascalco and Rob Koltz
- Jul 8, 2020
- Consumables
- Article
Consumables Corner contributors Rob Koltz and Nino Mascalco help a reader work through performance issues when using gas metal arc welding (GMAW), gas tungsten arc welding (GTAW), and flux-core arc welding (FCAW) for vertical-up applications on stainless steels.
- From The Welder
Consumables Corner: Heat input and discoloration in stainless steel welding
- By Nino Mascalco and Rob Koltz
- Apr 15, 2020
- Consumables
- Article
Nino Mascalo and Rob Koltz discuss heat input and weld discoloration in stainless steel welds.
- From The Welder
Consumables Corner: Optimizing SAW on pressure vessels, Part II
- By Nino Mascalco and Rob Koltz
- Feb 26, 2020
- Consumables
- Article
In the second part of the series, Nino Mascalo and Rob Koltz further help a manufacturer of carbon steel pressure vessels unearth why he’s having trouble increasing submerged arc welding (SAW) throughput.
- From The Welder
Consumables Corner: Optimizing SAW on pressure vessels, Part I
- By Nino Mascalco and Rob Koltz
- Nov 29, 2019
- Consumables
- Article
Nino Mascalo and Rob Koltz help a manufacturer of carbon steel pressure vessels unearth why he’s having trouble increasing throughput.
- From The Welder
Consumables Corner: Addressing penetration at the root of aluminum tack welds
- By Nino Mascalco and Rob Koltz
- Sep 26, 2019
- Consumables
- Article
The columnists help a fabricator address its problems with lack of fusion.
- From The Welder
Consumables Corner: Achieving toughness in the HAZ of weld joints
- By Nino Mascalco and Rob Koltz
- Jul 19, 2019
- Consumables
- Article
Do high preheat, high interpass temperatures, and high heat input affect HAZ performance?
- From The Welder
Consumables Corner: What are the requirements for low-hydrogen electrodes?
- By Nino Mascalco, Rob Koltz, and Steve Sigler
- May 17, 2019
- Consumables
- Article
Do you have to follow a customer’s recommendations for low-hydrogen electrodes?
- From The Welder
Consumables Corner: Choosing the correct carbon equivalency formula
- By Nino Mascalco, Rob Koltz, and Steve Sigler
- Mar 25, 2019
- Consumables
- Article
Q: We're a midsize fabrication shop that builds and welds machines and structural components from varying types of carbon steel. Some of the material is mild carbon steel, while some is high-strength, low-alloy (HSLA) or stronger grades of structural steel. If we're welding on thicker sections of...
- From The Welder
Consumables Corner: Solving weld crack issues with 4150 chrome-moly steel
- By Nino Mascalco, Rob Koltz, and Steve Sigler
- Jan 26, 2019
- Arc Welding
- Article
Q: We currently manufacture a product that comprises a 4150 steel pipe that is 30 in. in diameter and 2 in. thick, welded to a 1018 steel plate that is 3 in. thick. The pipe has a 3/8-in. bevel and we join it using a triple-pass weld. Recently we switched from an ER80 filler metal containing 1...
- From The Welder
Consumables Corner: The relationship between ferrite numbers and cracking
- By Nino Mascalco, Rob Koltz, and Steve Sigler
- Nov 19, 2018
- Consumables
- Article
What does a low ferrite number have to do with cracking in stainless steel welded joints? The Consumables Crew explains.
- From The Welder
Consumables Corner: A guide to understanding heat treating and how it affects the weld
- By Nino Mascalco, Rob Koltz, and Steve Sigler
- Sep 26, 2018
- Consumables
- Article
The Consumables Corner crew assists a reader interested in learning more about the effects that heat treatment has on filler metals.
- From The Welder
Consumables Corner: Aluminum welding for the non-aluminum welder
- By Nino Mascalco, Rob Koltz, and Steve Sigler
- Jul 26, 2018
- Consumables
- Article
The Consumables Corner team counsels a fabricator new to aluminum welding.
- Podcasting
- Podcast:
- The Fabricator Podcast
- Published:
- 03/26/2024
- Running Time:
- 67:51
This week on The Fabricator Podcast, Jason Becker, host of the Arc Junkies Podcast and owner of Underground...
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