

Overview
About H+K Härte- und Oberflächentechnik GmbH + Co. KG
Who we are
The quality requirements for products in consumer and investment goods sector continue to rise. That means more durability, longer service life and optimized finish for parts, assemblies and components. And so exactly the right job for H + K. Because with over 30 years experience and full-service solutions in all the hardening process, we offer the best quality and most economical solution for each batch. The H + K product portfolio includes the method hardening, vacuum hardening, gas nitriding, salt bath, carbonitriding and tempering as well as galvanic surface treatments. Modern systems, innovative process technologies and skilled staff guarantee that the increasing quality requirements are met on time and every day.
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Aldingen, Germany
Member since 2001
Employees50 - 100
Certificates1
Turnover10 - 20 Mil.
Year of foundation1926
Competencies
Technologies
Heat Treatment
| Technologies | Lotsize | Length | Width | Height | Diameter | Weight |
|---|---|---|---|---|---|---|
Carbonitriding | 1–10 M | 1–900 mm | 1–600 mm | 1–570 mm | 1–570 mm | 0–350 kg |
Case hardening/surface hardening | 1–10 M | 1–900 mm | 1–600 mm | 1–570 mm | 1–570 mm | 0–350 kg |
Annealing | 1–10 M | 1–900 mm | 1–1,700 mm | 1–840 mm | 1–840 mm | 0–2,500 kg |
Hardening | 1–10 M | 1–1,580 mm | 1–480 mm | 1–760 mm | 1–480 mm | 0–500 kg |
Nitriding processes | 1–10 M | 1–830 mm | 1–680 mm | 1–680 mm | 1–680 mm | 0–350 kg |
Vacuum annealing | 1–10 M | 1–900 mm | 1–600 mm | 1–570 mm | 1–570 mm | 0–500 kg |
Hardening and tempering | 1–10 M | 1–900 mm | 1–600 mm | 1–570 mm | 1–570 mm | 0–350 kg |
Surface Treatment
| Technologies | Lotsize | Length | Width | Height | Diameter | Weight | Material thickness |
|---|---|---|---|---|---|---|---|
PVD-coating | 1–10 M | 1–400 mm | 1–280 mm | 1–280 mm | 1–280 mm | 0–50 kg | 1–280 mm |
Materials
Steel
Structural steelCase hardening/tempering steelStainless steel (rust-proof V2A)Stainless steel (rust-proof V4A)Free-cutting/mild steelTool steelSpring steelCold extruding steel
Heavy metals
Copper-zinc alloys (brass)Copper and copper alloys
Light metals
Aluminium and aluminium alloysMagnesium and magnesium alloysTitanium and titanium alloys
Advanced Materials
Carbide
Industries
Automation and control engineeringPrecision engineering, mechatronics and opticsSpecial purpose machinery manufacturingHydraulic and pneumatic industryMechanical engineeringMilitary engineeringMedical technologyMeasurement and control technique, laboratory equipmentPlant engineering and constructionMachine tool manufacturingElectrical industryAutomotive and vehicle constructionApparatus engineering
Certificates
ISO 9001:2015
Parts & Machines
Machinery (5)
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PVD-Beschichtungsanlagen
ManufacturerPlatit + Hauzer
Technology
PVD-coating
2 / 5

Schutzgasanlagen
ManufacturerUttis
Technology
Hardening and temperingCarbonitridingCase hardening/surface hardening
3 / 5

Vakuumanlagen
ManufacturerSchmetz
Technology
Vacuum annealingHardening
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Gasnitrieranlagen
ManufacturerIVA
Technology
Nitriding processesAnnealing
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Salzbadnitrieranlage
Manufacturerkeine Angaben
Technology
Nitriding processes
5 Machinery
PVD-coating1
Hardening and tempering1
Carbonitriding1
Case hardening/surface hardening1
Vacuum annealing1
Hardening1
Nitriding processes2
Annealing1
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