23 April, 2025

Selecting the correct steel grade is critical for the performance and longevity of your tooling. At Aobo Steel, with our extensive experience in tool steel forging, we often guide customers through the differences between popular grades. Two common choices, particularly for mold and die applications, are P20 and H13. While both are workhorses, they have […]

At Aobo Steel, with our extensive experience in tool steel, we frequently receive questions about the best material for specific applications. A common one involves D2 tool steel and its suitability for demanding applications, often described as “chopping” – think shearing, blanking, or heavy trimming in manufacturing. D2 steel is a popular choice for these

At Aobo Steel, with our decades of experience in tool steel, we often discuss the practical aspects of using different grades. A common issue that arises is the difficulty some users encounter when sharpening D2 tool steel. Let’s look into the technical reasons for this. D2 steel is a high-carbon, high-chromium cold-work tool steel. Its