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Additional processing

Surface finishing

The term “surface finishing” refers to a variety of methods that are used to alter the surface of a workpiece. This reflects the basic principle that the volume of a workpiece and its surface should be treated as functionally separate.

Surface treatments compatible with our ETG® 88 and ETG® 100 steels include: hot-dip galvanizing, electrogalvanizing, chrome plating, nickel plating, black oxide coating (blackening), etc. The presence of manganese sulfides in the steel means that special care needs to be taken during pickling and neutralizing operations (for more information, please refer to DIN ISO 50969-1). To achieve the best results, the finishing process should be carried out on pre-ground material and the process temperature should not exceed 500 °C. Most surface finishing methods can also be applied to our ETG® 25 steel, such as electrogalvanizing, chrome plating, nickel plating and black oxide coating (blackening).

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Individual steel consulting

Thanks to our deep understanding along the entire value chain, we can tailor our production precisely to your material requirements, thus contributing to your market success.

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Shaping

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Machining

Cold formability

Drawing

Forging

Chain manufacturing

Properties

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Yield strength

Low distortion

Toughness

Dynamic loads

Additional processing

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Surface finishing

Hardening

Weldability

Quenching and tempering

Bending

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Steel Groups

Products

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Free cutting steel Soft free cutting steel
Free cutting steel
Case hardening steel
Case hardening steel With lead
Case hardening steel Unalloyed case hardening steel
Cold heading steel
Chain steel
Construction steel
Quenched and tempered steel
Quenched and tempered steel Unalloyed quenched and tempered steel with lead
Cold heading steel SwissBain
ETG 88 High strength special steel
ETG 100 High strength special steel
HSX 90 High strength special steel
HSX 110 High strength special steel
HSX 130 High strength special steel
HSX Z10 High strength special steel
HSX Z12 High strength special steel
ETG 25 Cold heading steel
ESP 65 Case hardening steel
SwissCut Free cutting steel

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Will the part or component be machined?

Around 85% of the costs in parts manufacturing are attributable to process costs. It is therefore worthwhile to optimize these costs with the targeted use of materials. Steeltec free-cutting steels are optimized for machining. Steeltec has also developed high-strength special products with outstanding machining properties. Short chip breaking, longer tool life and high uniformity across batches open up new possibilities in the design of manufacturing processes.

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Will the part or component be subjected to particular large stresses?

Materials for highly stressed parts must not only be outstandingly machinable, but also withstand high loads. A typical load - for hydraulic components, for example - is dynamic stress. To withstand it, users need a steel with a good ratio of strength and toughness.

More about static and dynamic loading

Will the part or component be processed asymmetrically?  

High dimensional stability and uniform machining behavior are decisive for an economical and plannable manufacturing process. The manufacturing costs per part are decisive, especially in high-volume production. Our low-distortion steels are designed to meet specified geometries and tolerances and minimize financial risk.

More about low-distortion steels

Will the part or component be subject to a cold-forming process?

The required properties - for example in terms of machinability, cold formability or weldability - can be precisely adjusted to customer specifications during the process. Thanks to very good cold forming properties, steels are formed into components, e.g. fasteners, by cold forming. Depending on the application requirements, they exhibit high strength and high durability. To achieve this, the materials must combine high initial strength with good formability. Special steels from Steeltec enable efficient and resource-saving production.

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Will an additional heat-treatment stage be carried out?

Thanks to in-depth chemical analysis, Steeltec is able to design materials in such a way that desired mechanical-technological component properties are achieved after heat treatment. This results in a wide range of high-quality steel designed to meet individual customer requirements. In the bright steel sector, we will be pleased to advise you on what needs to be taken into account in the case of additional hardening.

More about heat treatment

Will the part or component be welded?

Welding is particularly important for chains and structural grades, but also for applications such as the manufacture of wire baskets. Steeltec's rolled steels can be welded using various techniques. Welding requires materials that are alloyed. In addition, just as in bending, the steel needs a certain hardness, but it must be possible to machine it. And it must be possible to heat it without creating too much stress.

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Our high-strength special steels

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