AST-MAR LLC
Steel hatches and pipes from our own workshop
Cutting, rolling, welding and coating. We also manufacture to your drawings.
Precast manhole components and steel products — from stock or made to order.

Top slab of the manhole with an opening for the hatch; carries the hatch frame.

For sewer, potable water and gas network manholes — working chamber of the shaft.

The base under the first ring, giving a flat, stable and watertight bottom.

Collects surface water from roads and yards — 720×720×650 mm.

Round and square hatches with frame, hinged or lockable, with anti-corrosion coating.

Rolled pipes, casings, supports and welded assemblies made to drawing.
AST-MAR LLC is a manufacturing site in Yeghvard producing precast concrete manhole components as well as steel hatches and pipes.
The plant has been running since 2022. Rings, cover and bottom slabs and rain inlets are cast in steel moulds with vibro-compaction and cured under moisture until they reach design strength. Samples are taken from every batch and tested by an independent laboratory.
No middlemen: we set the price and the lead time.
For non-standard sizes we build a dedicated mould.
We arrange transport and unloading on site.
Certificate of conformity and test report.
From enquiry to site in five steps, with no middlemen.
Send us your list or drawing with quantities and the site address.
We come back the same day with price, lead time and delivery cost.
Vibro-compacted casting and moist curing up to design strength.
Laboratory testing of samples for strength and water resistance.
Crane-truck loading and delivery to site together with the documents.
Download the original scans. All documents are valid and travel with the shipment.
Call us or write on WhatsApp/Telegram with the quantity and the site address.