
Overview
About Mannseichner Metallbau GmbH
Who we are
Mannseichner Metallbau GmbH was founded in 1996 by Thomas and Roswitha Mannseichner. What once began as a small sole proprietorship has developed into one of the leading metal construction companies in southern Germany through expertise, commitment and innovative spirit. With modern machinery, many years of experience and a strong team, we are your reliable partner for metal processing and processing at the highest level. Whether industry, trade or private customers — we stand for quality, punctuality and fair prices. Let us make your metal ideas come true together!
Altenstadt, Germany
Member since 2025
Employees5 - 10
Certificates2
Turnover< 1 Mil.
Year of foundation1996
Competencies
Technologies
Welded constructions / Structural Steelwork
| Technologies | Length | Width | Height | Weight |
|---|---|---|---|---|
Welded constructions (weldments) | 0–2,500 mm | 0–2,500 mm | 0–2,500 mm | 0–500 kg |
Welding
| Technologies | Lotsize | Length | Width | Height | Weight |
|---|---|---|---|---|---|
Inert gas shielded arc welding (MIG/MAG) | from 1 | from 0 mm | from 0 mm | from 0 mm | from 0 kg |
Inert gas shielded arc welding (TIG) | from 1 | from 0 mm | from 0 mm | from 0 mm | from 0 kg |
Sheet Metal Processing
| Technologies | Lotsize | Length | Width | Material thickness |
|---|---|---|---|---|
Bending / folding | from 1 | 0–3,000 mm | — | from 0 mm |
Punching / nibbling | from 1 | from 0 mm | 0–1,500 mm | from 0 mm |
Materials
Light metals
Aluminium and aluminium alloysMagnesium and magnesium alloysTitanium and titanium alloys
Heavy metals
Copper-zinc alloys (brass)Copper and copper alloysZinc and zinc alloysSolder
Steel
Structural steelCase hardening/tempering steelStainless steel (rust-proof V2A)Stainless steel (rust-proof V4A)Free-cutting/mild steelTool steelSpring steelCold extruding steel
Industries
Boiler, container and tank construction Hydraulic and pneumatic industryApparatus engineeringPlant engineering and constructionMechanical engineering
Certificates
DIN EN 1090
DIN EN ISO 3834
Parts & Machines
Parts (7)
1 / 7

Wassertank
TechnologyInert gas shielded arc welding (TIG)
MaterialStainless steel (rust-proof V4A)
Dimensions
Weight50 mm
Width400 mm
Length600 mm
Diameter23 mm
Height200 mm
ComplexityMedium
2 / 7

Rohrleitungen Biogasanlage
TechnologyInert gas shielded arc welding (TIG)
MaterialStainless steel (rust-proof V4A)
Dimensions
Weight200 mm
Length6000 mm
Height400 mm
Width400 mm
ComplexityMedium
3 / 7

Fermenterleitung
TechnologyInert gas shielded arc welding (TIG)
MaterialStainless steel (rust-proof V4A)
Dimensions
Length6000 mm
Height400 mm
Width400 mm
Weight200 mm
ComplexityMedium
4 / 7

Blechabdeckung
TechnologyBending / folding
MaterialStainless steel (rust-proof V2A)
Dimensions
Material thickness1 mm
Length60 mm
ComplexityMedium
5 / 7

Edelstahl Hottub
TechnologyInert gas shielded arc welding (TIG)
MaterialStainless steel (rust-proof V4A)
Dimensions
Height1000 mm
Width2000 mm
Length2100 mm
Weight700 mm
ComplexityHigh
IndustriesBoiler, container and tank construction
6 / 7

Welle
TechnologyInert gas shielded arc welding (TIG)
MaterialStainless steel (rust-proof V4A)
Dimensions
Length70 mm
Width30 mm
Height200 mm
Weight3 mm
ComplexityLow
IndustriesApparatus engineering
Descriptionumlaufendes Verschweißen mittels Drehtisch. Durch geeignete Gaslinse wurde Nacharbeit auf ein Minimum reduziert
Price per piece€3.00
7 / 7

Wasserberuhigung Klärwerk
TechnologyPunching / nibbling
MaterialStainless steel (rust-proof V4A)
Dimensions
Length4000 mm
Material thickness4 mm
Width1000 mm
ComplexityMedium
IndustriesApparatus engineering
DescriptionLieferung und Montage eines Wasserberugigungsbauwerk am Boden eines Nachklärwerk. Einbau 2 teilig, vor Ort zusammengeschweißt. Gewicht gesamt: ca. 3000kg
Price per piece€60,000.00
Machinery (3)
1 / 3

Gladiator205
ManufacturerIMAL
Technology
Bending / folding
2 / 3

Trupunch 5000
ManufacturerTrumpf
ControlCNC
Year of Construction2009
Technology
Punching / nibbling
3 / 3

Entgratmaschine
ManufacturerFladder
7 Parts
Inert gas shielded arc welding (TIG)5
Bending / folding1
Punching / nibbling1
3 Machinery
Bending / folding1
Punching / nibbling1
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