Author details

Company

Amarex Metals

Education

B.Tech, Production Engineering

Expertise

Precision CNC Machining
Brass & Copper Components
Casting & Forging
Quality Assurance & Inspection

About

Aryan Jain is an Industrial Engineer and the Director of Amarex Metals, with a B.Tech in Production Engineering. Having worked across precision machining, pressing, casting, forging and extrusion, he understands how a component's design decides its cost, tolerance and lead time. He works directly with global buyers on custom metal, plastic and wooden components, and reviews the technical content published on this site.

Articles by Aryan Jain

How to Write an RFQ That Gets Accurate Machining Quotes the First Time

The Quote Came Back Wrong. Here’s Why. A procurement team sends a drawing to three precision machining companies. Two come back with wildly different...

CNC or VMC? It’s Not a Preference. It’s an Engineering Decision.

Two machines. One facility. Very different answers to very different problems. When you’re specifying precision components, process selection isn’t a procurement detail, it’s an...

The Numbers Don’t Lie. And Right Now, They’re All Pointing at India.

India’s precision machining market generated $6.5 billion in 2025 and is projected to reach $16.6 billion by 2033, growing at a CAGR of 12.4%....

That New Supplier Saved You 8% on Unit Price. But What Did the Switch Actually Cost You?

Every time you change suppliers, hidden costs accompany the transition, retraining your team, updating systems, and managing quality issues during the changeover. In precision...

Off-the-Shelf or Made-to-Order, the Right Choice Can Shape Performance and Cost.

Choosing between standard and custom metal parts depends on application needs, budget, and timelines. Standard Parts Readily available Lower cost due to mass production...

Every Rejected Part Is More Than Scrap; It’s Lost Time, Cost, and Trust.

Reducing rejection rates in metal components starts with controlling variation across the manufacturing process. When tolerances are tight, even small deviations can lead to...

Metal Doesn’t Just Wear Out; Sometimes It Slowly Reacts With the Air Around It.

Oxidation resistance is a metal’s ability to withstand chemical reactions with oxygen, especially at elevated temperatures. When metals oxidize, they form surface oxides that...

A Metal Part Doesn’t Usually Break Where It’s Strongest; It Breaks Where Stress Piles Up.

Stress concentration happens when force is forced to “detour” around geometric features, creating localized high-stress zones. Common Stress Raisers in Machined Parts Sharp internal...

Weight Calculations Aren’t Complex. So Why Do They Take So Long?

Not every engineering problem is complex. Some are just… time-consuming. Why Weight Calculations Slow Engineering Workflows Weight calculations are a good example. They’re essential,...