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Cold Heading Material Engineering Classroom
Does the presence of inclusions observed in the metallographic examination of cold-headed parts automatically indicate a material issue?
Talking about "roundness" during Mid-Autumn Festival: Why do most cold-headed wire rods start from a round wire?
The hardness results look normal, so why does cracking still occur after cold heading?
Cold heading material—does it really get better the softer it is?
What is the difference between a converter and an electric furnace? Which type of steel is better?
Cold heading causes surface roughness. Why does it still cause surface roughness even after changing the material?
Is cold heading and surface roughening caused by the phosphating film being too thin?
Cold Heading Engineer Classroom · Failure Analysis Series - Case 01 / Cold Heading Forming Cracking: The Bolt Flange Has Cracked into a Mesh Pattern
The sample can be successfully upset, so why does it “change its appearance” once mass production begins?
Case Study of Mass Production of S55C Ultra-Thin-Walled Tubes via Cold Forging for a Leading Global Automotive Components Customer: How Material Stability Determines Tool Life
With the same material, why does cold heading performance differ when using a different machine?
The same material, why does it become difficult to upset when switched to another product?
Phosphating appears normal, so why does it still fail during cold heading?
CMS Image Positioning Function Test - 20260831
The same wire, why does some become easy to upset after drawing while others do not?
Where do surface defects come from? Why are they carried all the way to the cold-headed finished product?
Chapter 4: Spheroidization Rate Is Qualified, But Why Are Some Materials Still Difficult to Upset?
Why do only a few products crack in the same batch of materials?
Why do problems still occur in cold heading even when the material is qualified? Chapter 2: What exactly do material standards control? Why can't standards replace process validation?
Why Problems Still Occur in Cold Heading Even When the Material Meets Standards – Chapter 1: Standard Compliance Does Not Equal Cold Heading Stability
What is the difference between ML40Cr and 40Cr? It's not just that there's an extra "ML".
What is the difference between 35CrMo and ML35CrMo? We will explain everything clearly, from standards and composition to cold heading suitability.
Why does SWRCH10A become SWCH10A? Where did that R go?
Why are high-demand square nuts more suitable for cold heading with square-shaped wire?
Why is it called SUJ2? Understand the Japanese JIS Steel Naming System in One Article
Why is it called SCM435? — Understand the Japanese JIS Steel Naming System in One Article
What materials are SAE 1022A, 1010A, 1008A, and 1006A? Do these grades actually exist?

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