Steel service center for coils, slit strip, blanks and discs with slitting, levelling and cold rolling services
EMW Stahl Service GmbH
Iserlohn (DE)New on Amplifa
About EMW Stahl Service GmbH
EMW Stahl Service GmbH, based in Iserlohn (formerly OKS Otto Knauf GmbH), is a steel service center with nearly 70 years of market experience. The company processes galvanized, hot-rolled and cold-rolled as well as stainless steel strip and manufactures blanks from rolled aluminium, copper and titanium products. Its service portfolio includes slitting, bar levelling and cold rolling on a toll and full-service basis, as well as trading in steel coils from renowned German rolling mills; in addition, sheets, blanks and discs are produced. With a production volume of around 250,000 t per year and 300,000 t of permanently available stock, EMW primarily supplies the automotive and commercial vehicle industries as well as the construction, agriculture, electrical, solar and wind power industries. In cooperation with the BILSTEIN GROUP, the company offers High Speed Laser Blanking (BILCUT). Through EMW SCALE, CO2-reduced steels with certified manufacturer documentation are offered.
- Site
- Iserlohn
- Processes
- Slitting of steel strip (coils & slit strip), Bar levelling, Cold rolling, Blanks (sheets & blanks), Disc cutting, High Speed Laser Blanking (BILCUT technology), Steel trading (coils, slit strip, blanks, discs), Slitting
- Materials
- galvanized steel, hot-rolled steel, cold-rolled steel, stainless steel, aluminium, copper, titanium, CO2-reduced steel (green steel)
- Certificates
- ISO certification (multiple, details not specified), ISO certification (multiple)
- Employees
- 107
- Industries
- Automotive industry, Commercial vehicle industry, Construction industry, Agriculture, Electrical industry, Solar industry
- 01
Procurement of coils from renowned rolling mills
- 02
Warehousing (300,000 t available on demand)
- 03
Slitting
- 04
Bar levelling
- 05
Cold rolling
- 06
Laser Blanking (BILCUT)
- 07
Blanks and discs
- 08
Logistics and delivery (incl. rail, e-locomotives)
Materials and Processes
Galvanized steel
Core material for slit strip and blanks, e.g. for the automotive and construction industries.
Hot-rolled steel
Base material for wide blanks, e.g. in large components of wind turbines.
Cold-rolled steel
Sheet metal with high cutting quality for precision parts, e.g. clutches.
Stainless steel
For applications with corrosion requirements, also as discs.
Aluminium
Blanks and discs made from rolled aluminium products.
Copper
Blanks made from rolled copper products.
Titanium
Blanks made from rolled titanium products for demanding applications.
CO2-reduced steel (EMW SCALE)
Broad product range with certified manufacturer documentation of CO2 savings.
Locations
Iserlohn
DESteel service center and company headquarters
- Materials
- Steel (galvanized, hot-rolled/cold-rolled, stainless), aluminium, copper, titanium
- Slitting lines (cutting machines)
- High Speed Laser Blanking line BILCUT
- Levelling lines
- Cold rolling mills
Products and Components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Slitting of steel strip (coils & slit strip)Forming | – | – | 250,000 t p. a. production volume | – | galvanized steel, hot-rolled steel, cold-rolled steel, stainless steel, aluminium, copper, titanium |
| Bar levellingForming | – | – | – | – | steel, metal |
| Cold rollingForming | – | – | – | – | steel, metal |
| Blanks (sheets & blanks)Machining | – | – | – | – | steel, aluminium, copper, titanium |
| Disc cuttingMachining | – | – | – | – | aluminium, stainless steel, steel |
| High Speed Laser Blanking (BILCUT technology)Machining | – | – | – | – | steel |
| Steel trading (coils, slit strip, blanks, discs)Engineering | – | – | 300,000 t stock available on demand | – | steel, CO2-reduced steels (green steel) |
2 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Cutting machines (slitting lines) | – | – | – | – | Iserlohn |
| High Speed Laser Blanking line (BILCUT) | BILSTEIN GROUP / BILCUT GmbH BILCUT | – | – | – | – |
Additional services
Reference customers
Quality
Quality assurance is certified multiple times under ISO; to maintain consistently high quality standards at slit edges, the cutting machines are continuously adapted to new market requirements. The international customer base appreciates high delivery reliability and cutting quality.
| Evidence | Iserlohn |
|---|---|
| ISO certification (multiple) |
History
- 2017
Acquisition of OKS Otto Knauf GmbH by Fidelium Partners from Stemcor (UK); revenue €75.8 million, EBITDA €2.8 million.
- 2023
Sale by Fidelium Partners to a strategic buyer (EMW steel service center / Schaefer Group); previously +€31 million revenue and +86% EBITDA in 4 years.
- 2025
EMW Stahl Service GmbH strengthens the OKS site in Iserlohn with investments in safety and technology; introduction of EMW SCALE
- 2026
Cooperation between EMW / BILSTEIN GROUP on High Speed Laser Blanking (BILCUT); joint presentation at IZB Wolfsburg