Perforated Sheets: MS vs GI, Hole Patterns, Applications

Quick answer: MS perforated sheet is the cheaper choice for indoor use or where you will paint it. GI perforated sheet has a zinc coat and is the better choice outdoors. Thickness runs from 0.5 to 3 mm. Choose the hole shape and open area for the airflow or the screening you need.

Perforated sheets are metal sheets with a regular pattern of holes. In Indore, Siyaganj, and Loha Mandi they are used for screens, ventilation, filtration, and architectural facades. This guide covers material choice (MS vs GI), hole patterns, and typical applications so you can order the right sheet from us at Siyaganj.

Materials: MS vs GI Perforated Sheets

• MS (mild steel) perforated sheets: Economical; suitable for indoor use or where they will be painted or galvanised later. Used for screens and ventilation in Indore and nearby areas.
• GI (galvanised iron) perforated sheets: Zinc-coated; better for outdoor and humid conditions. Common for external screens, ducts, and industrial applications in Siyaganj and Loha Mandi.

GI Perforated Sheet and MS Perforated Sheet are available in various thicknesses and patterns.

Hole Patterns

Common patterns include:

• Round holes: Most common; various diameters and pitch.
• Square holes: For screening and certain architectural looks.
• Slot holes: Elongated; good for airflow and directional screening.
• Hexagonal: Less common; used for specific designs.

Thickness typically ranges from 0.5 mm to 3 mm. Choice depends on load, visibility, and airflow needs.

Applications in Indore

In Indore, Dewas, Pithampur, and Ujjain, perforated sheets are used for:

• Ventilation: Ducts, grilles, and machine enclosures.
• Screening: Partitions, facades, and security screens.
• Filtration: Sieves and industrial filters.
• Architectural: Sun screens and decorative panels.

We stock MS and GI perforated sheets at Siyaganj in standard and cut sizes.

What Affects Price?

Price depends on material (MS vs GI), thickness, hole pattern, open area, and quantity. Custom patterns or small orders may cost more per sq m. Request a quote with material, thickness, pattern, and dimensions for current Indore rates.

How to Choose

• Indoor / painted: MS is often enough.
• Outdoor / humid: Prefer GI for corrosion resistance.
• Ventilation: Consider open area and slot vs round holes.
• Strength: Thicker sheet and smaller holes increase strength.
• Guards: Whether a sheet is suitable as a machine guard depends on the machine's safety requirements, not on open area alone. See open area explained.

See Perforated Sheets for the full range.

FAQs

Do you have stainless steel perforated sheets?
We keep MS and GI. Stainless steel perforated sheet may be possible on request; ask us.

Can I get custom hole size or pattern?
Custom patterns may be possible. Send us the pattern and the size.

How do I get a quote for perforated sheet?
Specify material (MS/GI), thickness, hole pattern, size, and quantity. Request a quote for Indore/Siyaganj.

Sizes, gauges and ranges on this page were compared with our product list on 12 October 2026. This is a catalogue check, not an independent technical review.