Precision in a wide range of products
Cold rolling and strip refinement
The specifications of cold rolled precision strip should be based on your requirements, not on your supplier's plant technology.
In the Giebel cold rolling plant we can produce cold rolled strip in thicknesses from 0.075 mm and widths up to 1,060 mm thanks to two ultra-modern rolling mills and the know-how gained from over 80 years of high-tech forming.
Our range of products comprises numerous grades ranging from engineering steel to micro-alloyed special raw materials. The surface types in MA, MB and MC as well as their version in defined degrees of roughness and with variable peak values are geared toward the respective specifications.
Both matte and highly glossy surfaces in various versions and even specially refined strips are made in the strip enhancing process on our electrolytic galvanising and tinning facilities.
High level of productivity
For us, cold-rolled steel strip is not just a work piece, rather it is a part of a tightly synchronised production and supply chain characterised by efficiency and cost effectiveness over several stages of production. With intelligent solutions such as our oscillated wound coils, we are contributing to a higher degree of productivity in further processing. Even with long strip lengths, the compact dimensions of the package winding allow easy handling and short set-up times.
COLD ROLLED STRIP, BRIGHT AND REFINED
Our product portfolio includes cold rolled strips, refined strips (electrolytically galvanised and tin-plated) and specially refined strips (multi-layer refinement) in a variety of grades, dimensions and surface finishes. Whichever of our products you choose, both production steps take place in succession at Knauf Interfer Cold Rolling GmbH in Iserlohn.
The best material properties can only be achieved by keeping an eye on the entire production process. We attach great importance to the highest precision and the lowest tolerances. Precisely coordinated pre-material specifications are an essential prerequisite for an optimal cold-rolled product, for example precision strip. The synthesis of technology and tools is a result of years of experience and development as well as sustainable quality assurance.
| Specialties in cold rolling | |
|---|---|
| Grades | |
| Cold-rolled steel strip (EN 10139) | DC 01, DC 03, DC 04, DC 05, DC 06 Condition: A, LC, C290, C340, C390, C440, C490, C590, C690 |
| Sheets/slit strip (EN 10130) | DC01, DC03, DC04, DC05, DC06 |
| Thin sheets (EN 10205) | T50, T52, T57, T61, T65 |
| Tin sheets (EN 10202) | TS230, TS245, TS260, TS275, TS290, TS550 |
| Engineering steels (EN 10025-2) | S235-S355 |
| Case-hardening steels (EN 10132) | C10 E, C15 E, 16MnCr5, 17Cr3 |
| Heat-treated steels (EN 10132) | C22 E, C35E, C45E, 42CrMo4 |
| Spring-band steels (EN 10132) | C55S, C60S, C67S, C75S, C100S, 51CrV4, 58CrV4 |
| Micro-alloyed steels (EN 10268) | HC260LA, HC300LA, HC340LA, HC380LA, HC420LA, HC460, HC500LA |
| High-strength mico-alloyed special steels according to DIN EN 10268 | HC550LA, HC600LA, HC700LA, HC750LA, HC800LA, HC850LA, HC900LA |
| Special materials/additional grades | upon request |
| Surface type | |
| MA and MB according to EN 10139 (MC upon request) | |
| A or B according to EN 10130 | |
| Surface finish | |
| Defined roughness values and variable peak values ranging from Ra < 0.1 µm (glossy smooth) to Ra > 2.0 µm (extra rough) | |
| Edge design | |
| Cut edges (CE), special edges upon request | |
| Layout | |
| 0.075 - 4 mm thick, 4,5 -1.060 mm wide, coil weights up to 20 t | |
Learn more about our product range in the cold rolling business unit.
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Managing Directors
Bernd Jesorke
Thomas Niederhofer
Dr Stephan Scharfenorth
Contact via:
Knauf Interfer Benelux
Augustijnendreef 2
5611CS Eindhoven
Netherlands
Tel. +31 40 244-1000
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