Steel to keep markets moving

Products & services

(Bright) Steel as short pieces or CNC component manufactured by GMH Blankstahl GmbH form the basis of high quality products and high-tech applications. These keep customers from many markets moving forwards, such as mobility in the form of as well as in gear shafts, camshafts and drive shafts, pistons, gear wheels, bevel gears or rolling elements, as well as in energy, agricultural and construction machinery technology.


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Steel bar

Product

Georgsmarienhütte GmbH produces steel bars in compliance with the highest standards of the automotive supplier, mechanical engineering and capital goods industries.

In the rolling mill precision roller units produce steel bars with extremely precise tolerance according to the Kocks system. The material is produced with individually-required material properties - according to customer needs - with optional heat treatment.

Rolled Range
  • Rounds to DIN EN 10060 Table 1:
    20 to 126 mm diameter
  • Special tolerances (up to 1/4 DIN EN 10060, normal):
    20 to 126 mm diameter
  • Rounds to DIN EN 10060 Table 2

In the 23 to 126 mm product range the rounds include sizes to DIN EN standard.
Other sizes are available by arrangement.

Delivery Lengths
  • 6 to 10m
  • Other lengths by arrangements
  • Short lengths > 100 mm by arrangement
End finishes
  • Abrasively cut
  • Chamfered (for 23 to 100 mm diameter) by arrangement
Straightness
  • Straight as rolled, to DIN EN 10060
  • Straightened
Flaw detection
  • Ultrasonic inspection
  • Eddy current testing
  • Identity inspection
Surface finishing
  • Rolled
  • Shot-blasted
  • Rough-peeled: tolerance > h12 for 21.5 to 120 mm diameter
  • Rough-ground: tolerance > h12 for 25 to 100 mm diameter

Bright steel (peeled)

Product

The diversity of our customers’ end products is huge, which is why the range of materials we manufacture has to follow suit. 

By using our own peeling machines, we are able to achieve the perfect surface structure and roundness. This also means we can manufacture premium-quality bright steel with excellent properties from rolled bar steel.

Dimensions
  • Peeled, straightened and polished to DIN EN 10277 and DIN EN 10278:
    20 to 125 mm diameter
  • Peeled, straightened and polished, tolerance band h9 to h12:
    20 to 125 mm diameter
Delivery lengths
  • 3 to 12 m
  • Other lengths / short lengths by arrangement
Short lengths
  • 50-3.500 mm, Length tolerance: +/- 0.1 mm or weight tolerance
End finishes
  • Abrasively cut
  • Milled
  • Chamfered
  • Sawn and deburred
  • Special finishes by arrangement
Flaw detection
  • Ultrasonic inspection (normal and angle-beam probe)
  • Eddy current testing
  • Identity inspection
Types of heat treatment
  • +TH; +FP; +S; +A; +N; +AC; +QT; +SR; SAW

Short length (rolled or peeled)

Product

Dimension range:

  • Rounded steel at DIN EN 10060
  • 20-126mmrd.
  • Bright steel peeled and richtpoliert at DIN EN 10277 and DIN EN 10278
  • 18-125mmrd.
  • length 50mm – 3.000mm
  • 18.00 - 125.00 mm rd. x 50 - 3.000 mm

CNC component

Produkt

Dimension range: 

according to drawing 

Form: 

CNC processing