4140 steel hardness

4140 steel exhibits varying hardness levels under different conditions and treatment states...

D2 Steel: Applications in Tool Making

As a professional tool steel supplier, we will provide you with a detailed introduction to the...

What is the difference between D2 and M2 tool steel?

The core difference is this: D2 tool steel is your go-to for cold-work applications demanding...

S7 Tool Steel vs. 4140 Alloy Steel: Making the Right Choice for Your Application

When you’re looking at S7 tool steel and 4140 alloy steel, the most important thing to know...

What is the difference between S7 and A2 tool steel?

The fundamental difference between S7 and A2 tool steel is that S7 is engineered for excellent...

O1 vs. O2 Steel: Key Differences for Your Factory

When selecting materials for your tooling, it is important to understand the differences between...

A2 vs. O1 Tool Steel: Which One Suits Your Factory’s Needs?

A2 vs. O1 Tool Steel: Making the Right Choice | Aobo Steel Choosing between A2 and O1 tool steel for...

Does D2 Steel Need to Be Hardened for Your Factory’s Needs?

If you’re using D2 tool steel in your factory, you might be wondering if hardening is a...

Can You Weld P20 Steel? What Your Factory Needs to Know

So, the big question: is P20 steel weldable? Yes, it absolutely is. P20 steel is commonly welded...
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