15 years one-stop China custom CNC machining parts factory
The VMT blog is dedicated to sharing our hard-earned knowledge in prototype manufacturing. We hope these articles will help you optimize your product designs and gain deeper insight into the world of rapid prototyping. Enjoy the read!
Get an Instant Quote
All uploads files are safe and confidential
VMT 
2026 04 10 Whether you are sourcing well-performed steel parts that balances the strength and toughness and has high/low temperature resistance (-50 to 450 ℃）or looking for how this steel applicated for the ultimate CNC machining, this guide explores why maraging 300 alloy steel remains your option.
66
Read more
VMT 2026 04 09 In this guide, we’ll compare 440C vs. 420J2 across four critical dimensions to help you determine which grade fits your project’s technical and budgetary requirements. Additionally, we will provide expert machining experience shares at the end.
66
Read more
VMT 2026 04 08 In this guide, we will delve into the chemical composition, key properties, and industrial applications of 420J2. Furthermore, we will reveal our proprietary machining protocols at the end—specifically how we manage dimensional distortion during heat treatment and prevent surface micro-cracks to achieve a Ra 0.4 surface finish—bringing your most demanding designs to life.
66
Read more
VMT 2026 04 07 Compare 431 stainless steel with 416, 420, 304, and 316 in terms of strength, corrosion resistance, and machinability. Learn how to choose the right stainless steel for CNC machining and high-performance engineering applications.
66
Read more
VMT 2026 04 06 Quickly understand 416 stainless steel for CNC machined parts. Learn about its key properties, excellent machinability, and typical applications in automotive, electronics, drones, bicycles, motorcycles, robotics & automation, and marine industries.
66
Read more
VMT 2026 04 05 When it comes to high-speed manufacturing and precision engineering, 416 stainless steel stands out as a "free-cutting steel" among martensitic stainless steels. Often referred to as a "free-machining" grade, AISI 416 is specifically e
66
Read more
VMT 2026 04 04 Thanks to aluminum' lightweight and good strength property (some grades), it is widely popular for electronic, motorcycle, automotive, UAV, and even aerospace precision components. While commercial grade like 2024 aluminum, which is highly recommended for its high-cycle fatigue, or 7075 aluminum for its max strength under high pressure, these aluminums have more advanced versions to their iron or silicon content for better aerospace performance. This is where AMS (Aerospace Material Specification) comes into play.
66
Read more
VMT 2026 04 03 As a hardenable steel of the martensitic family, 410 stainless steel is prized for its affordability and balanced hardness and toughness. It is frequently CNC machined into various precision stainless steel parts—such as fasteners, screws, bracket, and shafts, or stamped and forged into a wide range of kitchen knives and hand tools. While other martensitic grades like 440C and 420 are also hardenable and used in similar fields, understanding the distinct composition and performance of 410 is quite necessary. Mastering these nuances will give you the edge you need for successful product design and manufacturing.
66
Read more
+86 15099911516
