
Specialist in calibration, maintenance, repair and modernization of hardness testing machines since 1995

Siantec – Silvio Herzog e.K.
New on Amplifa
About Siantec
Siantec – Silvio Herzog e.K. is a service provider specializing in hardness testing technology that has been supporting companies since 1995 in the reliable and professional testing of their hardness testing equipment. The range of services includes accredited calibration of hardness testing machines within the corresponding scope according to DIN EN ISO/IEC 17025, as well as professional maintenance, repairs and the modernization of a wide variety of hardness testing machines, for example through digital measuring systems and LED lighting. In addition, hardness testing devices, hardness reference plates, indenters for Rockwell, Vickers and Brinell testing, and accessories are distributed. The company provides personal advice to customers on the selection, operation and troubleshooting of hardness testing machines and is active in the field of industrial hardness testing and materials testing. With over 30 years of experience, Siantec covers the entire life cycle of hardness testing machines from a single source.
- Processes
- Calibration of hardness testing machines (accredited according to DIN EN ISO/IEC 17025), Maintenance of hardness testing machines, Repair of hardness testing machines, Modernization of hardness testing machines (digital measuring systems, LED lighting), Maintenance, Repair, Sales of hardness testing devices, hardness reference plates, indenters and accessories, Consulting and support
- Materials
- Brinell balls (hard metal), Rockwell hardness testing diamonds, Hardness reference plates
- Certificates
- Calibration laboratory accreditation DIN EN ISO/IEC 17025, DIN EN ISO/IEC 17025 (calibration laboratory)
- Founded
- 1995
- Industries
- Industrial hardness testing, Materials testing
- 01
Consulting
- 02
Sales of hardness testing devices and accessories
- 03
Calibration (accredited according to DIN EN ISO/IEC 17025)
- 04
Maintenance
- 05
Repair
- 06
Modernization
Services & Processes
Brinell balls (hard metal)
Indenters for Brinell hardness testing as consumables.
Rockwell hardness testing diamonds
Diamond indenters for Rockwell hardness testing, including for devices from Wolpert and Ernst.
Hardness reference plates
Reference plates, e.g. HRC or HV0.1–HV100, for checking hardness testing devices.
Products & Consumables



Inside the production

Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Calibration of hardness testing machines (accredited according to DIN EN ISO/IEC 17025)Testing | – | – | – | – | – |
| Maintenance of hardness testing machinesTesting | – | – | – | – | – |
| Repair of hardness testing machinesTesting | – | – | – | – | – |
| Modernization of hardness testing machines (digital measuring systems, LED lighting)Testing | – | – | – | – | – |
Additional services
Quality & Accreditation
Calibration of hardness testing machines is carried out with accreditation according to DIN EN ISO/IEC 17025 within the corresponding scope, ensuring exact measurement results and traceability.
| Evidence | Company |
|---|---|
| DIN EN ISO/IEC 17025 (calibration laboratory) |
History
- 1995
Founded as a specialist in hardness testing technology; over 30 years of experience in calibration, maintenance, repair and modernization of hardness testing machines.