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  • About
    • Our Team
    • Our Customer Promise
    • Our History
    • Our Future
    • Support
    • Materials We Test
    • Working With Rotech Labs: Helpful Information for Your Testing Experience
  • Sectors
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    • Using A UKAS Accredited Laboratory
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UKAS accredited
Nadcap accredited
100+ years’ experience
98% customer satisfaction

Metallography

Our metallography services give an insight into material microstructure, composition and characteristics

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Metallography & Metal Testing

Metallography is the study of materials' microstructure. This procedure helps to establish if the material has been processed correctly. It’s also a critical step in determining product reliability and  understanding why a material failed.

The basic steps for correct metallographic specimen preparation include grinding and polishing, and etching to reveal the structure of the specimen. Metallographic and materialographic specimen preparation seeks to find the true structure of the material. 

Metal testing plays an important role in ensuring the quality, safety and reliability of metals used in various industries and applications. The process can increase the longevity of metals used in infrastructure or machinery by making sure materials have the right strength and corrosion resistance. It also helps businesses comply with strict regulations, ensuring materials meet specific requirements and safety standards.

Our team of qualified and experienced metallurgists provide a wide range of metal testing activities, including Cleanliness Testing*, Corrosion Testing, Failure Investigations and SEM & EDX Analysis. Find out more about our services below.

The activities identified with * are not UKAS accredited. 

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Cleanliness Testing*

Our Nadcap accredited cleanliness laboratory allows us to verify the cleanliness of components after the manufacturing process to detect levels of particle contamination. 

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Corrosion Testing

Intergranular, pitting and rate corrosion testing services, covering austenitic stainless steels and wrought nickel rich chromium bearing alloys. 

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Failure Investigations*

Our failure investigation services can help to determine the nature of the failure of a sample and identify defects or flaws in the material to help prevent failure reoccurances. 

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Fracture Analysis

Our metallographic examinations include fractography, fracture analysis and strength testing to aid investigations on failed samples and products.

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SEM & EDX Analysis

Scanning Electron Microscopy is one of the most popular and widely used metallurgical techniques to carry out analysis of a sample’s microstructure and surface topography.

Metallurgical Testing Activities

Our Metallurgical Department has a comprehensive range of knowledge and expertise to help our customers understand their product's microstructure and how it will perform in real-life service conditions. 

Our testing activities include: 

  • Hydrogen embrittlement assessment using SEM
  • Microstructure evalutation, phase distribution and defect assessments
  • Inclusion content, grain size determinations 
  • Graphite type, size, distribution in cast irons 
  • Micro examination for the determination of heat treatment condition, case depth, decarburisation and material cleanliness 
  • Ferrite counts, volume fraction determinations by image analysis 
  • Pitting and crevice corrosion testing to ASTM G48 (Method A)
  • Intergranular corrosion tests to ASTM G28 (Method A)
  • Corrosion testing to ASTM A262 Practices A, B*, C and E
  • Corrosion testing to BS EN ISO 3651-2 (Method A)

The activities identified with * are not UKAS accredited. 

Working with Rotech

Take a look at our latest case studies to see how we have helped our customers with their metallurgical and failure investigation requirements, from corrosion testing on national road safety signage, investigations on fractured screw samples in the energy and fuel industry, or failure investigations and analysis on fractured drill bits for specialist medical and surgical suppliers. 

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Give us a call

You can speak to us now on +44 (0)121 514 0602

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UKAS accredited
Nadcap accredited
100+ years’ experience
98% customer satisfaction

Testimonials

"Thank you very much for getting this done so quickly. I really appreciate your fantastic customer service.

Chris Jones and Carl Merrix are always extremely helpful."

Simon Furnell - Quality Manager, Cerdic Foundries Ltd

We have used Rotech Laboratories multiple times and always received a high level of professionalism from the staff at Rotech.

Great service and a speedy turn around for all our testing needs. Keep up the good work.

Dean Bullock, McGeoch Technology

10/10 for reporting, deadlines, price, communication and responsiveness.

Craig Moore, UK Sales Manager at Press Metal UK LTD.

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Accreditations

UKAS

No. 0366 Our accreditation is limited to those activities described on our UKAS schedule of accreditation found here

ISOQAR Registered - UKAS Management Systems

We are Nadcap accredited to Aerospace Quality System (AC7004) and Chemical Processing (AC7108).

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Rotech Laboratories Ltd
Moxley Industrial Centre
Western Way
Wednesbury
West Midlands
WS10 7BG

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