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More from Nino Mascalco
- From The Welder
Consumables Corner: Discovering the cause of lack of fusion in PJP joints
- By Nino Mascalco, Rob Koltz, and Steve Sigler
- Nov 16, 2015
- Consumables
- Article
Q: We manufacture various products for the agriculture and transportation industries. A majority of our products are made from 6061 and 5652 aluminum and are joined with gas metal arc welding (GMAW-S) using a 5356 filler metal and 100 percent argon shielding gas. Most of the joints are partial...
- From The Welder
Consumables Corner: Welding medium-carbon to high-strength steel
- By Nino Mascalco, Rob Koltz, and Steve Sigler
- Sep 28, 2015
- Consumables
- Article
Q: We need to weld a 1-in.-thick AISI 1050 carbon steel plate to a 2-in.-dia. A514 steel shaft. The AISI 1050 has a yield and tensile strength of 95 KSI and 115 KSI, respectively. We know we should preheat, but we're unsure of what temperatures to use or what filler metal to select. Could you...
- From The Welder
Consumables Corner: Welding dissimilar metals using 309 stainless steel
- By Nino Mascalco, Rob Koltz, and Steve Sigler
- Jul 27, 2015
- Consumables
- Article
The Consumables Corner team counsels a company struggling with weld fusion when joining ferritic to carbon steel.
- From The Welder
Consumables Corner: Eliminating weld cracking in restrained joints on high-strength steel
- By Nino Mascalco, Rob Koltz, and Steve Sigler
- May 12, 2015
- Consumables
- Article
Q: We're a construction equipment manufacturer that is finding that our customers increasingly require more components designed and manufactured from high-strength steels such as A514 or 4130. This means we have to preheat and follow slow cooling conditions, but even then certain joints or...
- From The Welder
Consumables Corner: The right filler metal to weld duplex stainless steel
- By Nino Mascalco, Rob Koltz, and Steve Sigler
- Mar 16, 2015
- Consumables
- Article
Q: We manufacture stainless steel tanks used in various industries and we aren’t always informed of service conditions and chemical exposures. We would like to reduce or minimize the number of filler metals we use to cut down on costs and prevent accidental use of the wrong filler metal. The...
- From The Welder
Consumables Corner: Causes of centerline cracking in FCAW root passes
- By Nino Mascalco, Rob Koltz, and Steve Sigler
- Jan 20, 2015
- Consumables
- Article
Q: We are a bridge and structural steel manufacturing shop that uses a mixture of common base materials such as A36, A572, and A992. Recently we’ve been experiencing sporadic centerline cracks in the root passes of fabricated I-beams that we weld with flux-cored arc welding (FCAW). Oddly enough,...
- From The Welder
Consumables Corner: Understanding heat input and its limitations
- By Nino Mascalco, Rob Koltz, and Steve Sigler
- Nov 21, 2014
- Consumables
- Article
Q: We manufacture structures for the utility industry and primarily weld A36, A572-Gr. 50 and A871-Gr. 65. Recently we converted some of our welding processes to higher-deposition submerged-arc welding (SAW) but are concerned about the amount of heat we are adding from welding. What is the...
- From The Welder
Consumables Corner: Selecting filler metals for stainless steel welding
- By Nino Mascalco, Rob Koltz, and Steve Sigler
- Sep 23, 2014
- Consumables
- Article
Q: We're a midsize job shop that manufactures a wide variety of products from various types of metal. Currently we have a project that requires welding 304L to 316L stainless steel and welding both of these alloys to A572 Grade 50 steel. Some of the welds are structural and some are used in...
- From The Welder
Consumables Corner: Porosity when welding galvanized steel
- By Nino Mascalco, Rob Koltz, and Steve Sigler
- Aug 28, 2014
- Consumables
- Article
Learn how to eliminate porosity when welding galvanized steel in the Q&A from the experts at FMA. Find out more about welding galvanized metal here.
- From The Welder
Consumables Corner: Simple steps to avoid cracking
- By Nino Mascalco
- Jun 25, 2014
- Consumables
- Article
Q: When welding a thick section of a forged 4130 ring to a thinner A36 plate in a T-joint configuration, we experience longitudinal cracking issues that originate from the ends of the welds. The required fillet size is ½ inch. It is skip-welded 12 in. on 18-in. center-to-center spacing. The...
- From The Welder
Consumables Corner: Before choosing filler, know your 4140
- By Nino Mascalco
- Jun 24, 2014
- Consumables
- Article
Q: We need to weld 4140 steel to AR 360 plate and are thinking of using an E120 electrode to try and match the strength. Is this the right electrode for our welding application? A: Before you choose a filler metal, there are a few things you should consider for this application. First, 4140...
- From The Welder
Consumables Corner: Pinning down the cause of porosity in SAW
- By Nino Mascalco
- Jun 23, 2014
- Consumables
- Article
Q: Our company produces large structures fabricated from mild steel plate with a small amount of HSLA forgings ranging from 0.5 in. to 4 in. thick. Our main process is submerged arc welding (SAW) using a mild steel electrode and a neutral-bonded flux. We have been experiencing some issues with...
- From The Welder
Consumables Corner: Reducing weld cleanup in pulsed GMAW
- By Nino Mascalco, Rob Koltz, and Steve Sigler
- Jun 20, 2014
- Consumables
- Article
Q: Our company manufactures the main structures used to build fitness equipment. These structures are mild steel tubing of various shapes and sizes and in relatively thin material, typically 10 to 16 gauge. We are using 90 percent argon/10 percent CO2 shielding gas with a 0.035-in.-dia. ER70S-3...
- From The Welder
Consumables Corner: Eliminating porosity in submerged-arc welding
- By Nino Mascalco, Rob Koltz, and Steve Sigler
- Jun 19, 2014
- Consumables
- Article
Q: Our shop manufactures bridge and structural steel components. Most of the material is A36 or A572 and welded with E70X-X class electrodes using FCAW with 75 percent Ar/25 percent CO2 shielding gas (bottle-supplied) and SAW. We're having issues with porosity in our SAW process. We find that once...
- From The Welder
Consumables Corner: Longitudinal cracking: A check list for prevention
- By Nino Mascalco
- Jun 18, 2014
- Consumables
- Article
Q: We are welding several fabricated parts made from A514 (T1) steel using an AWS A5.29, 3/32-in-dia. E110 FCAW electrode. On one particular part we are experiencing longitudinal weld cracking. The structure is a 4-in. plate with a square cut out of the center and a 1.5-in. plate welded back in its...
- 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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