17-4PH vs 316L: When Stainless Steel Needs More Than Corrosion Resistance
17-4PH vs 316L is a real engineering choice when a stainless part must resist corrosion but also carry load, hold threads, resist wear, or avoid bending in service. 316L is…
17-4PH vs 316L is a real engineering choice when a stainless part must resist corrosion but also carry load, hold threads, resist wear, or avoid bending in service. 316L is…
M35 vs M42 Cobalt Drill Bits is not a small grade debate when drilling stainless steel. It is the difference between a tool that keeps cutting and one that turns…
When a high-pressure die casting tool cracks unexpectedly, the upfront expense of the replacement block is just a small fraction of the financial damage caused by the hours or days…
If your multi-thousand-dollar aluminum die casting inserts are splitting or showing web-like cracks after just 5,000 cycles, you are likely facing an expensive metallurgical miscalculation. This guide directly resolves the…
In the high-stakes world of optical molding—think smartphone camera lenses, light guides for EVs, and VR headset components—there is zero margin for error. You have likely experienced the “Mirror Trap”:…
In the high-stakes environment of plastic extrusion, the choice of mold steel is rarely just about hardness. For engineers dealing with PVC, the decision often boils down to a head-to-head…
If you are engineering massive injection molds, you already know the sinking feeling of machining deep into a heavy steel block only to discover the metal is too soft. This…
Selecting the right tool steel is often the thin line between a high-yield production run and a catastrophic failure in the polishing room. In the global plastic injection molding industry,…
30+years steel industry experience, providing professional service with qualified steel products.

Qilu Steel is a leading supplier of high-quality tool steel with extensive experience in the industry. Our investment in a specialized factory further demonstrates our commitment to being at the forefront of the tool steel industry. We offer a wide range of tool steel grades, including P20, H13, D2, and S7, each with unique properties suited for different applications.
Quick Links
Website Group
Explore
Copyright © 2024 Qilu steel