Helmut Schlachter GmbH

Germany, 76131 Karlsruhe

Overview

About Helmut Schlachter GmbH

Who we are

Helmut Schlachter GmbH, based in Karlsruhe, Germany, is a family-owned metalworking company now in its fifth generation. The company’s origins date back to 1896, with the current GmbH established in 1981. As a full-service manufacturing partner, Helmut Schlachter GmbH covers the entire value chain – from technical consulting and design support to manufacturing, finishing, and logistics. The company specializes in custom-made components and assemblies made of steel, stainless steel, and aluminum. Core capabilities: Laser cutting (up to 1500 × 3000 mm) Press brake bending up to 3000 mm Welded assemblies (MIG/MAG, TIG, laser welding) Mechanical finishing (drilling, tapping, grinding) Surface finishing and external coatings Assembly and small to medium batch production Materials processed: Steel up to 25 mm Stainless steel up to 20 mm Aluminum up to 12 mm Helmut Schlachter GmbH serves customers in mechanical engineering, electrical engineering, automotive and vehicle construction, metal and plant engineering, packaging, food processing, as well as design and special-purpose applications. The company operates according to DIN EN ISO 9001:2015 and is certified to EN 1090 (CE). A modern machine park, high vertical integration, and reliable delivery times – including for small batch sizes – characterize Helmut Schlachter GmbH as a dependable manufacturing partner.

Karlsruhe, Germany

Member since 2026

Premium Member since 2026

Employees20 - 50

Certificates1

Turnover1 - 5 Mil.

Year of foundation1896

Marketing documents

Helmut Schlachter GmbH_Flyer_Digital.pdfPDF File

Competencies

Technologies

Sheet Metal Processing

Technologies	Lotsize	Length	Width	Material thickness
Laser cutting 2D	1–5 M	1–3,000 mm	1–1,500 mm	0.5–25 mm
Bending / folding	1–10 M	1–3,000 mm	—	1–8 mm
Punching / nibbling	1–50 M	from 1 mm	from 1 mm	1–2 mm

Welding

Technologies	Lotsize	Length	Width	Height	Diameter	Weight	Material thickness
Inert gas shielded arc welding (MIG/MAG)	1–10 M	from 1 mm	from 1 mm	1–1,000 mm	—	0–500 kg	—
Inert gas shielded arc welding (TIG)	1–1 M	from 1 mm	from 1 mm	1–1,000 mm	—	0–500 kg	—
Laser-beam welding	1–10 M	1–1,500 mm	1–1,000 mm	1–200 mm	1–1,500 mm	0–50 kg	—
Spot welding	1–1 M	—	—	—	—	—	1–2,000 mm
Stud welding	1–5 M	—	—	—	—	—	—

Welded constructions / Structural Steelwork

Technologies	Length	Width	Height	Weight
Welded constructions (weldments)	from 1 mm	from 1 mm	1–1,000 mm	0–500 kg

Surface Treatment

Technologies	Lotsize	Length	Width	Height	Weight
Anodizing	1–5 M	10–1,500 mm	10–1,500 mm	10–300 mm	0–25 kg
Pickling	1–1 M	50–1,500 mm	50–1,500 mm	5–500 mm	0–250 kg
Powder coating	1–1 M	150–3,000 mm	150–1,500 mm	100–500 mm	0–100 kg

Assembly

Technologies	Weight
Industrial / On-site-assembly	0–25 kg

Assembly Group Manufacturing

Technologies	Lotsize	Length	Width	Height	Diameter	Weight	Material thickness
Adhesive bonding	1–10 M	150–1,500 mm	150–1,500 mm	100–500 mm	20–1,500 mm	0–50 kg	0.5–5 mm

Heat Treatment

Technologies	Lotsize	Length	Width	Height	Diameter	Weight
Annealing	1–5 M	10–300 mm	10–300 mm	10–300 mm	10–300 mm	0–5 kg

Finishing

Technologies	Lotsize	Length	Width	Height	Weight	Material thickness
Belt grinding	1–10 M	—	10–1,300 mm	—	—	1–5 mm
Shot blasting	1–50 M	10–800 mm	10–800 mm	10–300 mm	0–20 kg	—
Rotofinishing, barrel finishing	1–10 M	10–150 mm	10–150 mm	10–150 mm	—	—

Drilling / Sawing

Technologies	Lotsize	Length	Width	Height	Diameter	Weight
Sawing	1–100	10–3,000 mm	10–200 mm	10–50 mm	10–100 mm	—
Drilling / threading / tapping	1–100	10–1,500 mm	10–1,500 mm	10–500 mm	—	0–50 kg

Materials

Cast metals

Cast steelCast iron

Steel

Structural steelCase hardening/tempering steelStainless steel (rust-proof V2A)Stainless steel (rust-proof V4A)Free-cutting/mild steelTool steelSpring steelCold extruding steel

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

Industries

Furniture industryPackaging industryMachine tool manufacturingPlant engineering and constructionApparatus engineeringMechanical engineeringRailway and rail vehicles industryAir conditioning, refrigeration and ventilation industryFittings engineeringMedical technologyPaper and printing machinery industrySpecial purpose machinery manufacturing

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