Welcome to Unionfab's knowledge base for practical insights into different manufacturing processes, materials, and design decisions.

Learn about 3D printing costs, including in-house vs. outsourcing options, with a free cost calculator and saving tips.

Discover how chrome powder coating delivers a mirror-like finish with superior durability, eco-friendliness, and versatility for auto and industrial parts.
![Different Types of Coatings [+Cost Guide]](https://ufc-dtc-cms.oss-accelerate.aliyuncs.com/blog/20250929/110444_vwn98c8m7.png?x-oss-process=image/format,webp)
Explore the different types of coatings like powder coating, anodizing, electroplating, and more to choose the right coating for your project.
![Metal Normalizing[+Practical Tables]](https://ufc-dtc-cms.oss-accelerate.aliyuncs.com/blog/20250821/162308_pdjcx27rr.png?x-oss-process=image/format,webp)
Learn what metal normalizing is, how the heat treatment process works, its benefits compared to annealing and quenching, and which materials are suitable.

Step into induction hardening best practices with detailed guidance on process parameters, material selection, and CNC integration to extend part life and optimize manufacturing efficiency.
![Oil Quenching [+Suggestions for Stronger CNC & 3D Parts]](https://ufc-dtc-cms.oss-accelerate.aliyuncs.com/blog/20250811/205050_zov5ywhor.png?x-oss-process=image/format,webp)
Learn how oil quenching enhances hardness, accuracy, and lifespan of CNC and 3D printed metal components.
![Age Hardening Guide [+Free Engineering Toolkit]](https://ufc-dtc-cms.oss-accelerate.aliyuncs.com/blog/20250807/214026_zhnvmmclg.png?x-oss-process=image/format,webp)
Learn how age hardening improves metal strength, hardness, and fatigue life. Get clear design tips, best-fit materials, and manufacturing insights to enhance part performance instantly
![Powder Coating vs Anodizing [+Selection Guide]](https://ufc-dtc-cms.oss-accelerate.aliyuncs.com/blog/20250723/223746_fplehw860.png?x-oss-process=image/format,webp)
Compare powder coating vs anodizing for CNC machined parts in terms of cost, durability, and material compatibility. Use our expert-backed selection guide to choose the right finish for your project.
![Annealing vs Tempering [+Selection Tips]](https://ufc-dtc-cms.oss-accelerate.aliyuncs.com/blog/20250721/223127_ioocd4yzz.png?x-oss-process=image/format,webp)
This expert guide compares both heat treatments to help you choose the right one for better performance, less stress, and longer part life.
![Tempering and Hardening Steel [+Expert Tips]](https://ufc-dtc-cms.oss-accelerate.aliyuncs.com/blog/20250721/220752_j804omv6q.png?x-oss-process=image/format,webp)
Learn how hardened and tempered steel improves strength, wear resistance, and dimensional stability for CNC machined and metal 3D printed parts.
![Surface Hardening Guide [+Expert Tips for Wear Resistance]](https://ufc-dtc-cms.oss-accelerate.aliyuncs.com/blog/20250714/225334_u2jgba1gz.png?x-oss-process=image/format,webp)
Enhance wear resistance in 3D printed steel with surface hardening. Explore top methods like laser hardening and expert tips for better durability.
![Guide to Annealing 3D Prints [+ Why & How]](https://ufc-dtc-cms.oss-accelerate.aliyuncs.com/blog/20250612/173307_xffkjx61n.png?x-oss-process=image/format,webp)
Learn how to anneal 3D printed parts for better strength, heat resistance, and dimensional stability. Covers thermoplastics and metals, temperatures, equipment, and safety tips.
![How to Remove Supports from 3D Print [+ Expert Tips ]](https://ufc-dtc-cms.oss-accelerate.aliyuncs.com/blog/20250508/160317_n0tqrobn0.png?x-oss-process=image/format,webp)
Learn how to remove supports from 3D prints cleanly and efficiently. Discover expert tools, techniques, and how Unionfab helps reduce support needs through smarter design and optimized printing.What Are 3D Printing Supports?
Want to learn more about CNC machining, 3D printing, vacuum casting, sheet metal fabrication, or material selection? Subscribe to Unionfab's newsletter for practical design tips, process guides, and manufacturing resources delivered to your inbox.
Unionfab is China's Largest 3D Printing Manufacturing Company for Rapid Prototyping and On-Demand Production Parts.
