Stainless steel finishing

Complete Hermes program for finishing stainless steel sheets, coils and plates

Design and brightness are the priority in surface finishing. Different stainless steel surfaces are required by stainless steel finishers depending on applications and requirements. A distinction is made here between ground, brushed and duplex (ground and brushed) finishes. 

The surface finish of cold and hot-rolled stainless steel sheets, coils and panels is usually applied in service centres, but in some cases directly at steelworks. The surface finish is usually created by dry grinding, but for certain applications, also using a coolant additive such as emulsion or oil. Wide belt and brush-grinding machines are used to achieve an ideal, even surface finish. These can be arranged both individually or as a combined unit (grinding/brushing) in one machine or as consecutive grinding stations with separate individual machines.

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PDF file "Stainless steel finishing"
Brochure: „Stainless steel finishing – Complete Hermes program for finishing stainless steel sheets, coils and plates“
(PDF file, File size: 1.6 MB)

Our product range for your applications

Decorate finishing with HERMESIT and MERCURIT longlife grinding belts

Decorative finishing with HERMESIT and MERCURIT longlife grinding belts

Die Hermes-Langzeitschleifbänder der HERMESIT- und MERCURIT-Produktfamilien haben eines gemeinsames - den dreidimensionalen Schleifkornaufbau, der sich einerseits aus durch mit Schleifkorn ummantelte Trägerkugeln („HERMESIT-Prinzip“) und für das typische „HERMESIT-Finish“ auf Edelstahloberflächen verantwortlich ist bzw. aus einem Schleifkorn-Agglomerataufbau („MERCURIT-Prinzip“) ergibt.

Benefits you will appreciate

Bei der Abarbeitung der HERMESIT-Trägerkugeln bzw. der MERCURIT-Schleifkornagglomerate kommt fortwährend neues Korn zum Einsatz und daraus resultieren Vorteile, die die Wirtschaftlichkeit und Prozesssicherheit Ihres Schleifprozesses signifikant verbessern werden:

  • Consistant surface finish and roughness values on workpieces, throughout tool life
  • 3 to 5 times the tool life improves economy compared to conventional grinding belts:

    • Reduced grinding belt change times
    • Reduced disposal costs for used grinding belts

  • Lower grinding temperatures

HERMESIT grinding belts

HERMESIT RB 535 X

Picture Hermes wide belt HERMESIT RB 535 X
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Heavy and semi-flexible waterproof abrasive cloth with aluminum oxide grain for producing the matt HERMESIT bright effect with low grinding pressure.

HERMESIT RB 545 X

Picture Hermes wide belt HERMESIT RB 545 X
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Heavy and semi-flexible waterproof abrasive cloth with silicon carbide grain for producing the brilliant HERMESIT bright effect with low grinding pressure

HERMESIT RB 530 X

Picture Hermes wide belt HERMESIT RB 530 X
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Heavy and semi-flexible abrasive cloth with aluminum oxide grain for producing the matte HERMESIT bright effect with low grinding pressure.

MERCURIT grinding belts

MERCURIT BW 590

Picture Hermes wide belt MERCURIT BW 590
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Paper-backed longlife and high-performance grinding belt with MERCURIT aluminum oxide agglomerate for a very homogenous surface quality and a bright matt decorative finish.

MERCURIT RB 590 Y

Picture Hermes wide belt MERCURIT RB 590 Y
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Heavy, tear-resistant abrasive cloth with MERCURIT aluminum oxide agglomerate for a bright matt decrative finish and for high grinding pressures.

MERCURIT RB 591 Y

Picture Hermes wide belt MERCURIT RB 591 Y
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Heavy, tear-resistant abrasive cloth MERCURIT with aluminum oxide agglomerate for a bright matt decorative finish and for medium grinding pressures.

MERCURIT RB 595 Y

Picture Hermes wide belt MERCURIT RB 595 Y
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Heavy, tear-resistant abrasive cloth with MERCURIT silicon carbide agglomerate for a bright brilliant decorative finish and for medium grinding pressure and for wet grinding.

MERCURIT RB 598 Y

Picture Hermes wide belt MERCURIT RB 598 Y
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Heavy, tear-resistant abrasive cloth with MERCURIT silicon carbide agglomerate for producing everything from a brilliantly bright decorative finish to mirror-finish surfaces

Picture HERMESIT carrier sphere
HERMESIT carrier sphere coated with abrasive grain
Picture MERCURIT agglomerate construction
MERCURIT agglomerate construction
Graphic "HERMESIT principle"
Comparison abrasive grain construction. Zoom in by clicking on the graphic.

Further decorative finish grinding belts with a paper backing or a cloth backing

Paper-backed decorative grinding belts

In metal grinding, paper grinding belts with particularly strong paper backings are used for surface grinding/finishing.

These stable backings are primarily beneficial with wide belts for dry grinding. Due to their oil resistance, paper grinding belts can be used even when oil is used as cooling lubricant

Your choice

BW 116

Picture Hermes wide belt BW 11
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Abrasive belt with high-performance aluminum oxide abrasive grain and with a additional Procut coating for cool grinding to reduce the risc of sheet metal rejections when grinding thin sheets (thicknesses < 1 mm).

CERAMIT CR 116

Picture Hermes wide belt CERAMIT CR 116
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High-performance ceramic grain paper-backed grinding belt for high stock removal rates, low grinding temperatures and uniform surface pattern.

BS 118

Picture Hermes wide belt BS 118
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Abrasive belt with silicon carbide grain and with a with a good edge stability for producing everything form a brilliantly bright decorative finish to so-called "mirror-finish surfaces".


Cloth-backed decorative finish grinding belts

The applications for cloth grinding belts are similar to those of paper grinding belts. However, they are even more robust and in addition to dry grinding, can also be used for wet grinding (resistant to water, emulsion and oil).

Your Choice

RB 377 YX

Picture Hermes wide belt RB 377 YX
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High-performance and durable standard cloth-backed abrasive belt for producing the finest surfaces with a very even grinding pattern.

RB 315 YX

Picture Hermes wide belt RB 315 YX
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Extremely stable cloth-backed abrasive belt with silicon carbide abrasive grain for producing brilliant bright stainless steel surfaces.

CERAMIT CR 456 Z

Picture Hermes wide belt CERAMIT CR 456 Z
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Very heavy, stiff and high-performance cloth-backed abrasive belt with ceramic grain.


The faster way to the brush finish

The “replicated” brush finish with cork grinding belts

As required by the customer different surface qualities can be produced. In most cases cold-rolled 3D material is the basic material. Normally the used grit size changes the produced surface pattern. 

Variations can be achieved by different abrasive grain types or different machine parameters as for example the feed or the cutting speed or the design of the contact rollers.

The benefits for you

  • Homogeneous finish without defects, such as lines or shadows caused by variations in brush roller construction
  • Second choice base material can be used for an excellent brush finish
  • Improved productivity due to increased line speed (up to 80 m/min at coil-to-coil machines)
  • No time lost in dressing or balancing web rollers
  • Belts can be handled easier in comparison to rollers
  • Only with cork grinding belts a duplo finish can be produced with a higher line speed
  • Wide belts with only one joint, available up to 1.600 mm width

And so it works ...

Process "replicated" brush finish
Ground and brushed surfaces (“replicated” brush finish)
[] Makro-Bild Hermes Kork-Schleifband

Hermes cork grinding belts

Flexible particles of cork on the polishing belts allow “cushioned” grinding and produces a polishing effect. This allows the mirror-finish surfaces desired by many customers to be produced in stainless steel finishing.

Cork grinding belts can be used universally in dry and wet grinding (resistant to water, emulsion and oil).

Cork RB 515 X

Picture Hermes Cork grinding belt RB 515 X
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Flexible cork grinding belt with silicon carbide abrasive grain for producing very bright or mirror-finish surfaces with a fine-structured grinding pattern.

Cork RB 515 Y

Picture Hermes Cork grinding belt RB 515 Y
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Very tear-resistant cork polishing belt with silicon carbide abrasive grain for producing very bright or mirror-finish surfaces with a fine-structured grinding pattern.

Micro-Cork RB 515 YX

Picture Hermes micro-cork wide belt RB 515 YX
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Very tear-resistant special micro-cork grinding belt with silicon carbide abrasive grain for producing very homogenous surfaces on thin materials

Cork RB 525 X

Picture Hermes wide belt Cork RB 525 X
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Very tear-resistant cork grinding belt with silicon carbide abrasive grain for producing very bright or mirror-finish surfaces with a fine-structured grinding pattern.

Cork RB 555 X

Picture Hermes wide belt Cork RB 555 X
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Very tear-resistant cork grinding belt without abrasive grain for producing very bright or mirror-finish surfaces.

The special finish with webrax non-woven web abrasives

The special finish with webrax non-woven roller and belts

3 good reasons for webrax non-woven web

1. Backing

webrax non-woven web is manufactured from high-quality, three-dimensional special fibre web. The abrasive grain is firmly anchored by a bond to make it correspondingly durable.

We supply the following variants for finishing stainless steel sheets, coils and panels:

Non-woven web rollers

  • Non-woven web
  • Non-woven web, high density

Non-woven web grinding belts

  • Non-woven web, laminated on Xw-cloth (* Heavy, moderately flexible, waterproof cotton cloth) 
  • Non-woven web, reinforced with cloth

2. Type of grain

The abrasive webs for finishing stainless steel are available in the grit range 80 to 800. 

Warning: The abrasive effect and the grain details quoted are not comparable with those of grinding papers and cloths: for the same grit size, webrax non-woven web abrasives generally grind finer. Aluminium oxide and silicon carbide are generally used as the grains.

3. Bonding 

The abrasive grain is firmly anchored to the synthetic fibres by resins. The resin bond allows use under both dry and wet conditions. Benefits you will appreciate.

Close-up picture webrax non-woven web
The magnified photograph clearly shows the open structure of webrax non-woven web.

webrax non-woven web rollers

webrax non-woven web flap rollers produce an ideal brushed finish. We make these products in four different densities: 1 = soft, 2 = medium, 3 = hard, 4 = very hard. The rollers are also available with additional impregnation to increase tool life.

webrax non-woven web rollers are supplied with a maximum external diameter of 450 mm and in widths up to 2.050 mm. Universal use in dry and wet grinding (resistant to water, emulsion and oil).

webrax non-woven web rollers

webrax-OA 710

Picture non-woven web roller webrax-OA 710 GWS
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Durable non-woven web with aluminum oxide abrasive grain for producing bright matt stainless steel surfaces.

webrax-OS 715

Picture non-woven web roller webrax-OS 715
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Durable non-woven web with silicon carbide abrasive grain for producing stainless steel surfaces with greater brightness and with finer brush patterns.

webrax non-woven web grinding belts

webrax non-woven web belts are used specifically for the decorative finishing of stainless steel coils and panels, but are equally suitable for keying or cleaning stainless steel surfaces.

When working with webrax non-woven web belts, the grinding zone should have no sharp-edged openings and be free of surface faults. The belts can be used universally for dry and wet grinding (resistant to water, emulsion and oil).

webrax non-woven web grinding belts

webrax-AN 701 50

Picture non-woven web grinding belt webrax-AN 701 50
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Compact, intensive-grinding non-woven web with aluminum oxide grain for structure grinding stainless steel coils and sheets.

webrax-AN 702

Picture non-woven web grinding belt webrax-AN 702
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Open but rigid non-woven web with aluminum oxide grain for fine grinding stainless steel coils and sheets.

webrax-MAG

Picture non-woven web grinding belt webrax-MAG
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Open and soft non-woven web with aluminum oxide grain for fine and finest finishing stainless steel coils and sheets, especially suitable for finishing sensitive surfaces.

webrax-MSG

Picture non-woven web grinding belt webrax-MSG
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Open and soft non-woven web with silicon carbide grain for fine and finest finishing stainless steel coils and sheets, especially suitable for finishing sensitive surfaces.

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