Individual.
Precise.
Powerful.
With decades of experience, extensive technical expertise, and unmatched flexibility, we are your trusted partner for processing large and heavy components – well beyond rolls.
We process components made of steel, cast materials, and special alloys with precision, efficiency, and the highest quality. From single pieces to small series and unique special designs: our solutions are precisely tailored to your requirements.
Our services at a glance:
Precision mechanical processing
Machining of components made from steel, cast materials, and special alloys
Tool manufacturing
Welding technology and repair processing
Thermal spraying and coating technologies
Surface treatment and final inspection
Renewal & procurement of accessories
Efficient logistics for large components
We manage the safe transport and on-time delivery of your components – from rolls and machine parts to complex, oversized pieces.
Thanks to our logistics solutions with competent partners, we reliably handle even the most demanding transport requirements for heavy and large-volume components.
From the initial consultation through to production and delivery, we support you with expertise, reliability, and state-of-the-art technology.
Whatever the challenge, whether it’s machine parts, housings, or complex large components– together with you, we’ll find the right solution.
Gontermann-Peipers – Precision in Every Dimension.
Our Range
of Services
Contract Processing & More
Turning
up to 400 t
up to 14,700 mm in length with Ø 3,000 mm
Grinding (External Cylindrical Grinding)
free programming for CVC profiles
crack and surface inspection
radial run-out accuracy up to 1 µm
Grinding in Steady Rest
up to Ø 3,000 mm
up to 15,400 mm in length
up to 300 t
Grinding Between Centers
Ø 3,000 mm
15,000 mm in length
up to 80 t
Horizontal Boring Mill Processing
up to 300 t
x-axis: 15,000 mm
y-axis: 4,000 mm
z/w-axis: 2,000 mm
height up to 4,000 mm
Deep Hole Drilling
up to 7,000 mm
Saw Cutting
up to 80 t
up to Ø 1,430 mm
Heat Treatment
with more than 20 furnaces
L x W x H up to 15 m x 3.2 m x 4.5 m
Hardening
Tempering
Stress-relief annealing
Recrystallization annealing
Soft annealing
Normalizing
Tool manufacturing
Turning
Milling
Grinding
Electrical discharge machining
TIG and MIG/MAG Welding
Manual
Automated with welding robot
Metal Build-Up (Weld Cladding)
Welcome
to our Test Laboratory
With state-of-the-art technology and the in-depth expertise of our staff, we offer you a comprehensive range of testing and analysis services.
Our services are aimed at companies from various industries that place the highest demands on material quality and safety.
Our services at a glance:
Mechanical-technological testing
Metallography
Mobile testing methods
Iron-based analysis (Fe)
Our tests and analyses are designed for maximum precision and reliability – supporting quality assurance, process optimization, and research & development in your company. We are flexible and deliver fast, accurate test results.
Feel free to contact us for a non-binding initial consultation.
Our Range of Services
Test Laboratory
For iron-based, aluminum, and copper alloys, we offer the following laboratory services:
Mechanical-Technological Testing
tensile testing with/without extensometer at room temperature up to 200 kN including sample preparation
hardness testing according to Brinell, Vickers, and Rockwell
low-load Vickers hardness testing
Metallography
Macro and microsection preparation
Etching
Evaluation of non-metallic inclusions
Microstructure analysis
Grain size determination according to DIN EN ISO 643 & ASTM E112
Coating thickness measurement
Delta ferrite content using Fischer probe (on polished section)
Graphite evaluation according to ASTM A-247 or DIN EN ISO 945-1
Automated image analysis
Retained austenite determination
Scanning Electron Microscope (SEM) examinations
Mobile Testing
Mobile hardness testing
Mobile hardness testing using Mikrodur
Delta ferrite content determination using Fischer probe
Surface roughness measurement
Microstructure analysis using replica technique
Positive material identification (PMI) using mobile XRF analysis
Nondestructive Testing (ultrasonic testing, dye penetrant testing, magnetic particle testing, visual inspection)
Analytic (iron base only)
Spectral analysis
Remelting
Determination of carbon and sulfur content
Nitrogen determination
Oxygen determination
Welcome
to Our Services
As a reliable service provider for the steel and aluminum industries, we offer you comprehensive support. Whether it’s consulting, employee training, technical assistance, or inspections and repairs.
Our experts combine decades of industry experience with practical implementation – delivering fast, flexible, and solution oriented results.
Need support?
We’re happy to provide an initial consultation without unnecessary formalities.
Contact us to discuss your requirements!


