Materials laboratory
We provide comprehensive support in the detection and verification of material and material properties.

We test your materials and products for their properties. For this purpose, we use various destructive and non-destructive testing methods. For example, we use visual inspection, radiographic testing, ultrasonic testing, magnetic particle testing, penetrant testing, transverse tensile testing, chemical analysis, bending testing, notched bar impact testing, fracture testing, hardness testing, tensile testing, macrosection testing and microsection testing.

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All
industries

Mobile
testing

Test reports
DE / EN

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Test method

We carry out development-accompanying and production-accompanying testing for all sectors - and thus support our customers in several industries, including the energy sector, rail technology, automotive, aviation and shipping.

Do you have special requirements? We develop individual test procedures for you. Our extensive testing equipment in our environmental and fire laboratories enables us to support you beyond the standard specifications, meeting your individual needs. This means that we can also provide you with comprehensive and competent advice on technical innovations, innovative material compounds and information on the scope of conventional tests.

Mechanical-technological testing

We perform mechanical material tests to investigate static mechanical material properties such as strength properties and elongation behaviour. Our repertoire includes tensile tests as well as compression tests to test the tensile strength, yield strength and elongation of a material. In addition, tests such as stationary (according to Rockwell, Brinell and Vickers) and mobile hardness testing (according to the UCI method) are part of our extensive range of services. We examine the toughness of your material with notched bar impact tests. We offer these for materials with an impact energy of up to 150J and temperatures from RT to -40 °C. For welding or brazing proximity tests and the examination of your material for intergranular corrosion, we subject your sample to a bending test.

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Chemical analysis

We use the emission spectroscopy method to determine the chemical composition of iron-, aluminum- and copper-based materials. Furthermore, we can determine the content of carbon and sulfur in cast iron by means of combustion.

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Non-destructive material testing

RST is the right contact when it comes to non-destructive material testing (NDT for short). We offer non-destructive material testing for all common NDT methods, from X-ray testing, ultrasonic testing and magnetic particle testing to dye penetrant testing and visual inspection - stationary or mobile throughout Germany.

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Damage analysis according to VDI 3822

Our accredited laboratory offers comprehensive damage analyses - for manufacturers, the insurance industry and trade alike. With systematic damage analysis based on material-technical examinations, we get to the bottom of causes of damage and material fatigue. We differentiate between misuse, assembly and material defects.

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Metallographic examination

In our laboratory we offer metallographic examinations. They serve the qualitative and quantitative description of the material structure. With the help of microscopic methods, we can also identify geometric parameters of metallic materials.

By means of reflected light microscopy with digital image documentation, we can perform quantitative microstructure evaluations such as the determination of phase fractions, grain sizes, layer thickness and inclusions as well as graphite classification.

In addition, we offer stereomicroscopy with digital image documentation to perform macrosection weld evaluations, macrofractographic fracture surface examinations, and macroscopic examinations of components from the store floor.

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Scanning electron microscopy

Scanning electron microscopy enables us to examine surfaces with regard to their wear, corrosion and microfractographic fracture surfaces. We distinguish between toughened, brittle fracture and enamel surfaces, among others. In the scanning electron microscope, we can perform micro-area analysis of surface layers, coatings and particles using EDX.

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Testing of fasteners

Screws, nuts, washers, bolts, etc. are "fasteners" that require specific testing. We determine the strength of high-strength screws or the chemical composition of stainlessnuts.

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Just what you need.
RST is your competent partner for the testing you need.

Purchasing

Our optimized processes guarantee you fast and smooth processing of your order without long wait times. Your request is our top priority. Our wealth of experience is based on countless test orders successfully completed for a wide range of customers. Our in-house test rack production as well as our in-house calibration laboratory ensure the highest flexibility and cost efficiency.

Project management

With our technical support, we are always at their side - even in the event of unexpected changes to the planned test sequence, necessary rework and adjustments to the test specimen, and under deadline.  During the test, you can rely on optimal communication with our testers and engineers. We always keep you up to date and contact you quickly in case of problems or damage to the test object. You are welcome to accompany your tests personally on site or via video transmission.

Quality management

RST is available to you as an accredited laboratory. Our competent and experienced test staff, equipped with comprehensive knowledge of standards and test requirements, are prepared for any challenge. Within the framework of our flexible accreditation, we develop individual test procedures for you outside of the standard specifications and are available to advise you the entire time. We deliver high-quality test reports in German and English.

The standard you are looking for?

We test for you!

STANDARD SEARCH

For hardness testing (stationary)

DIN EN ISO 6506-1Metallic materials – Brinell hardness test – Part 1: Test method
DIN EN ISO 6507-1Metallic materials – Vickers hardness test – Part 1: Test method
DIN EN ISO 6508-1Metallic materials – Rockwell hardness test – Part 1: Test method
DIN EN 10328Iron and steel – Determination of the conventional depth of hardening after surface heating
DIN EN ISO 2639Steels – Determination and verification of the depth of carburized and hardened cases
DIN 50190-3Hardness depth of heat-treated parts; determination of the effective depth of hardening after nitriding


For hardness testing (mobile)

DIN 50157-1Metallic materials – Hardness testing with portable measuring devices operating with mechanical penetration depth – Part 1: Test method
DIN 50159-1Metallic materials – Hardness testing with the UCI method – Part 1: Test method
DIN ISO 48-4Rubber, vulcanized or thermoplastic – Determination of hardness – Part 4: Indentation hardness by durometer method (Shore hardness)
DIN EN ISO 16859-1Metallic materials – Leeb hardness test – Part 1: Test method


For pendulum impact test

DIN EN ISO 148-1Metallic materials – Charpy pendulum impact test – Part 1: Test method


For welding procedure test

DIN EN ISO 15613Specification and qualification of welding procedures for metallic materials – Qualification based on pre-production welding test
DIN EN 15614-1Specification and qualification of welding procedures for metallic materials – Welding procedure test – Part 1: Arc and gas welding of steels and arc welding of nickel and nickel alloys
DIN EN 15614-2Specification and qualification of welding procedures for metallic materials – Welding procedure test – Part 2: Arc welding of aluminium and its alloys
DIN EN ISO 5817Welding – Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) – Quality levels for imperfections
DIN EN ISO 10042Welding – Arc-welded joints in aluminium and its alloys – Quality levels for imperfections
DIN EN ISO 9016Destructive tests on welds in metallic materials – Impact tests – Test specimen location, notch orientation and examination
DIN EN ISO 4136Destructive tests on welds in metallic materials – Transverse tensile test
DIN EN ISO 5173Destructive tests on welds in metallic materials – Bend tests
DIN EN ISO 9015-1Destructive tests on welds in metallic materials – Hardness testing – Part 1: Hardness test on arc welded joints
DIN EN ISO 9015-2Destructive tests on welds in metallic materials – Hardness testing – Part 2: Microhardness testing of welded joints
DIN EN ISO 9017Destructive tests on welds in metallic materials – Fracture test
DIN EN ISO 17639Destructive tests on welds in metallic materials – Macroscopic and microscopic examination of welds
DIN EN ISO 17635Non-destructive testing of welds – General rules for metallic materials
AD 2000 – Merkblatt HP 5/3Manufacture and testing of joints – Non-destructive testing of welded joints


For cable pull testing

DIN EN IEC 61238-1-1 (VDE 0220-238-1-1)Compression and mechanical connectors for power cables – Part 1-1: Test methods and requirements for compression and mechanical connectors for power cables for rated voltages up to 1 kV (Uₘ = 1,2 kV) tested on non-insulated conductors
– only chapter 7: mechanical tests
DIN EN IEC 61238-1-2 (VDE 0220-238-1-2)Compression and mechanical connectors for power cables – Part 1-2: Test methods and requirements for insulation piercing connectors for power cables for rated voltages up to 1 kV (Uₘ = 1,2 kV) tested on insulated conductors
– only chapter 7: mechanical tests
DIN EN IEC 61238-1-3 (VDE 0220-238-1-3)Compression and mechanical connectors for power cables – Part 1-3: Test methods and requirements for compression and mechanical connectors for power cables for rated voltages above 1 kV (Uₘ = 1,2 kV) up to 36 kV (Uₘ = 42 kV) tested on non-insulated conductors
– only chapter 7: mechanical tests


For tensile test

DIN EN ISO 6892-1Metallic materials – Tensile testing – Part 1: Method of test at room temperature

 


For specimen manufacture

DIN 50125Testing of metallic materials – Tensile test pieces

 


For bend testing

DIN EN ISO 7438Metallic materials – Bend test

 


For chemical analysis

In-house procedure (P-504-01-40)Spectrometric analysis of iron, aluminium and copper

 


For chemical analysis of coatings

In-house procedure (P-504-62-40)Elemental analysis by means of energy dispersive X-ray spectroscopy

 


For carbon and sulphur determination in founding

In-house procedure (P-504-57-40)Carbon and sulphur determination by infrared adsorption

 


For SEM

In-house procedure (P-504-61-40)Scanning electron microscopic examination of surfaces

 


For spring testing

DIN 2096-1Helical compression springs made of round wire and rod; Quality requirements for hot formed compression springs


For visual inspection (VT)

DIN EN 13018Non-destructive testing – Visual testing – General principles
DIN EN 1370Founding – Examination of surface condition
DIN EN ISO 17637Non-destructive testing of welds – Visual testing of fusion-welded joints

 


For ultrasonic testing (UT)

DIN EN ISO 16810Non-destructive testing – Ultrasonic testing – General principles
DIN EN ISO 17640Non-destructive testing of welds – Ultrasonic testing – Techniques, testing levels, and assessment
DIN EN ISO 11666Non-destructive testing of welds – Ultrasonic testing – Acceptance levels
DIN EN 10228-3Non-destructive testing of steel forgings – Part 3: Ultrasonic testing of ferritic or martensitic steel forgings
DIN EN 12680-1Founding – Ultrasonic examination – Part 1: Steel castings for general purposes
DIN EN 12680-2Founding – Ultrasonic examination – Part 2: Steel castings for highly stressed components
DIN EN 12680-3Founding – Ultrasonic testing – Part 3: Spheroidal graphite cast iron castings
DIN EN 10160Ultrasonic testing of steel flat product of thickness equal to or greater than 6 mm (reflection method)
DIN EN 14127Non-destructive testing – Ultrasonic testing – Characterization and verification of ultrasonic thickness measuring equipment
In-house procedure (P-504-42-40)Measurement of tension, preload force and elastic elongation on bolted joints by means of ultrasonic transit time measurement


For radiographic testing (RT)

DIN EN ISO 5579Non-destructive testing – Radiographic testing of metallic materials using film and X- or gamma rays – Basic rules
DIN EN ISO 17636-1Non-destructive testing of welds – Radiographic testing – Part 1: X- and gamma-ray techniques with film
DIN EN ISO 10675-1Non-destructive testing of welds – Acceptance levels for radiographic testing – Part 1: Steel, nickel, titanium and their alloys
DIN EN ISO 10675-2Non-destructive testing of welds – Acceptance levels for radiographic testing – Part 2: Aluminium and its alloys
DIN EN 12681-1Founding – Radiographic testing – Part 1: Film techniques
ASTM-E 155Standard Reference Radiographs for Inspection of Aluminum and Magnesium Castings
ASTM-E 192Standard Reference Radiographs of Investment Steel Castings for Aerospace Applications
ASTM-E 446Standard Reference Radiographs for Steel Castings Up to 2 in. (50.8 mm) in Thickness


For magnetic particle testing (MT)

DIN EN ISO 9934-1Non-destructive testing – Magnetic particle testing – Part 1: General principles
DIN EN ISO 17638Non-destructive testing of welds – Magnetic particle testing
DIN EN ISO 23278Non-destructive testing of welds – Magnetic particle testing – Acceptance levels
DIN EN 1369Founding – Magnetic particle testing
DIN EN 10228-1Non-destructive testing of steel forgings – Part 1: Magnetic particle inspection


For penetrant testing (PT)

DIN EN ISO 3452-1Non-destructive testing – Penetrant testing – Part 1: General principles
DIN EN ISO 23277Non-destructive testing of welds – Penetrant testing – Acceptance levels
DIN EN 1371-1Founding – Liquid penetrant testing – Part 1: Sand, gravity die and low pressure die castings
DIN EN 1371-2Founding – Liquid penetrant testing – Part 2: Investment castings
DIN EN 10228-2Non-destructive testing of steel forgings – Part 2: Penetrant testing


For metallographic analysis, metallography

DIN EN ISO 643Steels – Micrographic determination of the apparent grain size
DIN 50602Metallographic inspection methods – Microscopic inspection of stainless steels for non-metallic inclusions with image series
ISO 4967Steel – Determination of content of non-metallic inclusions – Micrographic method using standard diagrams
DIN EN 10247Micrographic examination of the non-metallic inclusion content of steels using standard pictures
DIN EN ISO 945-1Microstructure of cast irons – Part 1: Graphite classification by visual analysis
DIN EN ISO 3887Steels – Determination of the depth of decarburization
DIN EN ISO 1463Metallic and oxide coatings – Measurement of coating thickness – Microscopical method
In-house procedure (P-504-60-40)Quantitative metallography – Determination of phase fractions


For bolts, fasteners, and nuts

DIN EN ISO 898-1Mechanical properties of fasteners made of carbon steel and alloy steel – Part 1: Bolts, screws and studs with specified property classes – Coarse thread and fine pitch thread
DIN EN ISO 898-2Fasteners – Mechanical properties of fasteners made of carbon steel and alloy steel – Part 2: Nuts with specified property classes


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