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Troubleshooting Erratic Wire Feeding
Why Welds Crack: Understanding Hot Cracking and Hydrogen Cracking
3 Effective Ways to Reduce Welding Rework
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Welding quality documentation can protech fabricators from liability.
How Welding Quality Documentation Protects Fabricators from Liability

When a product fails, fabricators are often the first to be blamed — especially if a weld is involved. Without proper welding quality documentation, it’s nearly impossible to defend yourself, even when the failure had nothing to do with welding. In this post, we break down how documentation like WPS, PQRs, welder qualifications, and inspection records can reduce or even eliminate liability. More importantly, we show how implementing a Welding Quality Standard not only protects your business but also improves efficiency, builds customer confidence, and creates a lasting competitive advantage.

Pitting weld corrosion
Different Types of Corrosion in Welded Structures

Corrosion in welded structures isn’t just rust — it takes many forms, each with unique causes and risks. Welds often corrode faster than base metal because of differences in microstructure, composition, and residual stress. The main types include general corrosion, galvanic, crevice, pitting, intergranular attack, stress corrosion cracking, and microbiologically induced corrosion. Understanding these forms is critical because each requires a different prevention strategy, from material selection to welding technique and protective coatings. By learning how corrosion works, companies can extend equipment life, avoid failures, and save significant costs.

welding material control
Why Material Control is Necessary to Achieve Weld Quality

Material control is one of the most overlooked aspects of welding quality. Without proper systems for receiving, storing, issuing, and tracking materials, even the best welders can’t guarantee consistent results. Poor control leads to rework, scrap, and lost contracts—costs that quickly add up. In this post, we break down the essentials of material control and show how a Welding Quality Standard can help fabricators reduce waste, improve weld quality, and build customer trust.

Cross section of a lap weld showing overlap.
Understanding Overlap: A Costly Weld Discontinuity

Overlap is one of the most common weld discontinuities, yet it often slips past visual inspection until after painting or final quality checks. This defect occurs when molten weld metal rolls over onto the base metal without fusing properly, creating a mechanical notch that can trigger cracking and costly repairs. In this article, we break down the causes of overlap—including poor welding procedures, mill scale, and inadequate technique—and outline proven solutions for preventing it. If you’re responsible for welding quality in your shop, this guide will help you recognize overlap and correct it before it becomes a problem.

How to Prevent Rework and Scrap in Welding Operations

Rework and scrap are two of the biggest hidden drains on profits in fabrication shops. A weld defect that could have been fixed in minutes at the booth often ends up costing hours once it reaches paint or final inspection. The truth is, most rework and scrap are preventable with better procedures, joint prep, in-process checks, and targeted training. This article breaks down the root causes of welding rework and shares five proven ways to stop it before it starts. Implementing even a few of these practices can drastically cut costs and improve customer confidence.

How Carbon Content Affects the Weldability of Steels

Steel’s carbon content determines much of its behavior in fabrication, from mechanical properties to weldability. As carbon increases, strength and hardness rise, but ductility and machinability drop, making steels more difficult to weld. Low carbon steels are the most weldable, while medium and high carbon steels require preheating and strict control to avoid cracking. This post breaks down the effects of carbon on strength, hardness, ductility, weldability, and machinability, giving welders and engineers practical insights for better decision-making. Understanding these relationships helps prevent failures, improve weld quality, and reduce fabrication costs.

3 Causes of Weld Quality Problems That Management Overlooks

When weld quality problems appear, it’s easy to point the finger at welders. But the truth is, most issues don’t start in the weld booth—they start with management. In this article, we uncover three hidden causes of poor quality in fabrication facilities: lack of welding procedures, unclear work instructions, and inadequate training. Each one leads to costly rework, inconsistency, and long-term failures that could have been prevented. The good news? With the right systems in place, management can take simple steps to eliminate these problems and dramatically improve weld quality.

The 4 Most Common Mistakes When Welding 6061-T6 Aluminum

Are you learning how to weld 6061-T6? We'll dive into the unique characteristics of aluminum, such as its high thermal conductivity and tenacious oxide layer, and reveal the most common mistakes welders make. Learn how to avoid costly defects like lack of fusion, crater cracks, and porosity to improve your weld quality and productivity. This article provides actionable steps to ensure successful welds and reduce frustrating rework in your shop.

Welding Engineers develop welding procedures to meet both production and quality requirements. Many times these procedures are modified or not followed by the shop floor due to issues in communication.
7 Things Engineers Wished Welders Knew About Welding

Ever wonder why engineers specify every detail of a weld? It’s a common source of friction in the shop, but there's a reason for every rule. This blog post explores the "why" behind an engineer's decisions, from the importance of following a welding procedure to the hidden dangers of ignoring heat input and interpass temperatures. Discover the critical insights engineers wish welders knew, and learn how understanding these principles can dramatically improve your work, reduce costly rework, and ultimately make your job easier.

3 Critical Mistakes When Welding Different Metals and How to Fix Them

Are you a job shop that fabricates with carbon steel, stainless steel, and aluminum? Using the same tools across different materials might seem efficient, but it can lead to serious and costly problems like cracking and corrosion. This article highlights three critical mistakes fabricators often make when handling multiple base metals and provides actionable advice to prevent them. Learn how to protect your welds and your reputation by implementing simple, effective material and tool segregation practices in your shop.