Materials

GI vs Mild Steel vs Stainless Steel: Which to Choose

📅 7 June 2026✍ Shyam Steel Industries⏱ 7 min read

“GI, MS or SS?” It’s the most common material question we get. Each has its strengths. Here’s a plain-English comparison to help you choose the right steel for your doors, windows and gates.

Mild Steel (MS)

Mild steel is the most economical option — strong and easy to fabricate. It comes primer-coated and is usually painted on site. Best for: budget door frames, internal doors and grilles where cost matters most. It does need a protective paint layer to resist rust.

Galvanized Iron (GI) & PPGI

GI is steel coated with zinc, which makes it rust-resistant out of the box. PPGI adds a baked-on colour coat for even better protection and a ready finish. This is the sweet spot for value and durability. Best for: Japani chaukhat, window frames and most home applications — rust-resistant with minimal maintenance.

Stainless Steel (SS 304)

Stainless steel is the premium choice — it never rusts, has a beautiful mirror or satin finish and is extremely hygienic and durable. It costs more, but it’s unbeatable for a luxurious, lasting look. Best for: main-entrance gates, showroom door frames, railings and high-end interiors.

Quick Decision Guide

For most homes, GI/PPGI hits the perfect balance of price, durability and looks.

What About Termites?

Good news — none of these steels attract termites. Whichever you choose, you’re free from the termite problems that plague wooden frames.

Still Unsure?

Tell us your budget and where the frame will be used, and we’ll recommend the right material. We manufacture all three — MS, GI/PPGI and SS. Get a quote →