ASTI Gießereigeräte GmbH

What ASTI Gießereigeräte GmbH does

ASTI Gießereigeräte GmbH is a German, family-owned manufacturer of specialized foundry equipment and consumables for aluminum casting, headquartered in Industriepark Sinsheim near Heidelberg. Founded in 1968 by Arno Stier in Mauer and now in its third generation of family ownership under managing director Tanja Stier (since 2021), the company serves aluminum foundries using sand, low-pressure, and gravity die casting processes. ASTI's product portfolio comprises four core lines: fiberglass and metal mesh casting filters that remove air pockets and impurities from molten aluminum; technical ceramic components including molds, gating sleeves, nozzles, riser tubes, feeder boxes, and riser pots; high-temperature-resistant insulations and seals; and complementary engineering and contract-manufacturing ("Extended Workbench") services covering bending, punching, forming, milling, turning, toolmaking, and welding.

Underlying the products are patented filtration techniques refined over decades, ISO 9001:2000-certified processes since 2000, and a 2022 technology offensive that added in-house 3D printing, CNC machining of soft and hard ceramics, and proprietary tool production — capabilities integrated into a single 1,300 sqm production and 1,200 sqm storage facility in Sinsheim.

ASTI operates a direct, enterprise field-sales model with no distribution partners, employing technical sales managers who travel 50–70% of the time for active new-customer acquisition and key-account development across Germany and international markets. Revenue is generated through quote-based, custom-engineered B2B contracts (with multi-year terms) on physical hardware sales and adjacent professional services. No public revenue, headcount, or external funding is disclosed, consistent with the privately held, self-financed Mittelstand profile typical of long-tenured German specialty industrial suppliers.

Name

ASTI Gießereigeräte GmbH

Legal name

ASTI Gießereigeräte GmbH

Website

https://asti-filter.de

Company type

Private

Founded year

1968

Operating status

Operating

Headcount range

1–10 employees

Short description

ASTI Gießereigeräte GmbH is a German family-owned manufacturer of patented fiberglass and metal casting filters, technical ceramics, high-temperature insulations, and engineering services for aluminum foundries, operating from Sinsheim since 1968.

Ownership category

akta.pro rank

Headquarters

HQ city

Sinsheim

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Supply Chain, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Filter Products: Sale of fiberglass filters and metal filters for aluminum casting processes - the core product line generating primary revenue.
2. Technical Ceramics: Sale of ceramic components including molds, gating sleeves, nozzles, riser tubes, feeder boxes, and riser pots for foundry applications.
3. Insulations and Seals: High-temperature-resistant insulation and sealing solutions customized to specific customer requirements.
4. Engineering Services: Solution-oriented process analysis, project planning, and construction services provided on-site or remotely. Customized solutions for foundry industry requirements.
5. Manufacturing Services (Extended Workbench): Contract manufacturing services including bending, punching, forming, milling, turning, tool manufacturing, and welding for industrial partners.

Pricing tiers

Go-to-market motion2 records

Distribution channels1 record

Marketing channels5 records

Core offering

ASTI Gießereigeräte GmbH manufactures and sells specialized foundry equipment and consumables for aluminum casting, including patented fiberglass and metal mesh casting filters, technical ceramic components (molds, gating sleeves, nozzles, riser tubes, feeder boxes, riser pots), and high-temperature-resistant insulations and seals. The company complements these products with engineering services for process analysis, project planning and construction, and contract manufacturing under its "Extended Workbench" offering, delivering integrated casting solutions from its Sinsheim facility in Germany.

Product overview

ASTI Gießereigeräte GmbH offers a unified portfolio of specialized products and services for aluminum casting foundries, comprising four core product lines (Fiberglass and Metal Filters, Insulations and Seals, Technical Ceramics) alongside two complementary service offerings (Engineering and Manufacturing/Extended Workbench services). The products work together as an integrated casting solutions ecosystem: filters remove impurities from molten aluminum, ceramic components provide heat and chemical resistance, insulations and seals ensure process integrity, while engineering and manufacturing services support customization and process optimization—delivering complete casting solutions from a single German manufacturer.

Differentiator

Problem solved

Functional benefit

Products and services

• Fiberglass Filters and Metal Filters High-quality fiberglass and metal mesh casting filters for liquid aluminum designed to eliminate air pockets, impurities, and reduce waste in sand casting, low-pressure casting, and gravity die casting processes. Targeted at aluminum foundries requiring high-performance filtration.
• Insulations and Seals

Quantifiable outcome

• Reduced waste and scrap in aluminum casting processes
• +2 more outcomes

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Scale indicators5 records

Recent moves8 records

Expansion highlights5 records

Emerging players

• Sefar Group: Swiss precision fabric and mesh manufacturer supplying filtration and screening products for industrial processes including metal casting. Comparable through its high-performance metal mesh filter fabrics used as direct alternatives to ASTI's fiberglass and metal mesh filters.

Direct peers

• Pyrotek: Supplier of technical consumables and equipment for aluminum and other light-metal casting, including filters, degassers, and ceramic components. Closely comparable product overlap with ASTI's filter, ceramic, and insulation lines for foundries.
• Selee Corporation: Manufacturer of ceramic foam filters and high-temperature ceramic components specifically for molten aluminum and other non-ferrous metal filtration. Direct head-to-head competitor in the foundry filtration niche ASTI addresses.
• ASK Chemicals: Foundry chemicals and consumables supplier serving iron, steel, and aluminum foundries with binders, coatings, filters, and refractory products. Comparable as a multi-product consumables partner to foundry customers across casting processes.
• Foseco (Vesuvius plc): Global leader in foundry consumables including filters, feeding systems, and refractories for ferrous and non-ferrous metal casting. Directly comparable to ASTI as a supplier of filtration and consumable solutions used inside foundry processes, though at vastly larger scale.

Broad incumbents

• Morgan Advanced Materials: Global manufacturer of technical ceramics and engineered materials for industrial applications including molten metal handling and high-temperature environments. Comparable through its technical ceramics business that competes with ASTI's ceramic mold and riser products.
• CoorsTek: Large-scale manufacturer of technical ceramics for industrial, semiconductor, and metallurgical applications including molten metal handling. Overlaps with ASTI in producing engineered ceramic components for demanding thermal and chemical environments.
• Saint-Gobain (Performance Ceramics & Refractories): Major industrial materials group producing high-temperature insulation, filtration media, and refractory products used in foundry and metallurgical operations. Comparable through its filtration and insulation product lines serving aluminum casting customers.
• Heraeus Electro-Nite: Industrial sensors, measurement, and consumables supplier serving molten metal handling in steel and aluminum foundries. Comparable as an established incumbent in foundry process technology with overlapping customer base and broader portfolio than ASTI.

Regional players

• Filtec (Filtros y Tecnología para Fundición): Specialized supplier of filtration products and consumables for aluminum foundries, primarily serving Latin American markets. Comparable niche player in foundry filtration but operating in a different geography from ASTI.

Market position

Strengths5 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/61573980201997
• LinkedInlinkedin.com/company/asti-filter
• Instagraminstagram.com/asti_giessereigeraete

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about ASTI Gießereigeräte GmbH