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UGINOX Top Manufacturing Process

UGINOX Top is manufactured according to the typical stainless steel manufacturing process up to the rolling operation where the patterning process takes place.

  • This engraving operation is conducted with specially prepared cylinders on a matt annealed base (2D).
  • This engraving technique used enables both a uniform and reproductible finish for the different grades and dimensions.
  • This production method is certified to the standards ISO 9001 and ISO 14001.

The engraving is conducted during the rolling operation.

The pickling and annealing stage restores the ductility of the metal and optimises the matt finish.

A guide to the choice of grade relative to atmospheric exposure

The choice of stainless steel grade for a roofing application must take into account the environment in which the material will be used.

Our dimensional range

The UGINOX Top finish is available in coils, slit coils and sheets.
Their mechanical properties comply with norms EN 10088-2, EN 10088-4 and ASTM A 240.

Key strengths

  • This surface finish is characterised from its installation by a permanent and durable matt finish.
  • Good corrosion resistance.
  • It blends into all types of environment, both rural and urban, traditional or modern, and is suited toall styles of architecture.


  • Roofing: fully supported roofs, self-supporting roofs, batten roll roofs.
  • Facade: cassette, panels, shingles
  • Cladding : profiles.
  • Accessories: gutters, downpipes.

Construction products manufactured comply with the CE standard.




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8 Famous Stainless Steel Monuments and Sculptures

We’ve picked 8 Famous Stainless Steel Monuments and Sculptures from around the world…

The Unisphere is a spherical stainless steel representation of the Earth, located in Flushing Meadows–Corona Park in the borough of Queens, New York City. The sphere, which measures 140 feet (43 m) high and 120 feet (37 m) in diameter, was commissioned as part of the 1964 New York World’s Fair. The Unisphere is one of the borough’s most iconic and enduring symbols.

“Queens World Fair Unisphere” by Ian Irving is licensed under CC BY 2.0

Gateway Arch
The Gateway Arch is a 630-foot (192 m) monument in St. Louis, Missouri, United States. Clad in stainless steel and built in the form of a weighted catenary arch, it is the world’s tallest arch, the tallest man-made monument in the Western Hemisphere, and Missouri’s tallest accessible building. Built as a monument to the westward expansion of the United States, and officially dedicated to “the American people,” it is the centerpiece of the Gateway Arch National Park and has become an internationally recognized symbol of St. Louis, as well as a popular tourist destination.

“Gateway Arch, St. Louis, MO” by Nicolas Henderson is licensed under CC BY 2.0

United States Air Force Memorial
Located in Arlington, VA, the United States Air Force Memorial honors the service and heritage of the men and women of the United States Air Force. The three stainless steel spires reach a height of 402 feet above sea-level. It is adjacent to the Arlington National Cemetery and overlooks the Pentagon.

“The United States Air Force (USAF) Memorial Arlington (VA) May 2015” by Ron Cogswell is licensed under CC BY 2.0

The Atomium
The Atomium is a landmark building in Brussels, originally constructed for the 1958 Brussels World’s Fair (Expo 58). It is located on the Heysel Plateau, where the exhibition took place. It is now a museum. Designed by the engineer André Waterkeyn and architects André and Jean Polak, it stands 102 m (335 ft) tall. Its nine 18 m (60 ft) diameter stainless steel clad spheres are connected, so that the whole forms the shape of a unit cell of an iron crystal magnified 165 billion times. Tubes of 3 m (10 ft) diameter connect the spheres along the 12 edges of the cube and all eight vertices to the center. They enclose stairs, escalators and a lift (in the central, vertical tube) to allow access to the five habitable spheres, which contain exhibit halls and other public spaces. The top sphere includes a restaurant which has a panoramic view of Brussels.

“The Atomium” by O Palsson is licensed under CC BY 2.0

Cloud Gate
Cloud Gate is a public sculpture by Indian-born British artist Sir Anish Kapoor, that is the centerpiece of AT&T Plaza at Millennium Park in the Loop community area of Chicago, Illinois. The sculpture and AT&T Plaza are located on top of Park Grill, between the Chase Promenade and McCormick Tribune Plaza & Ice Rink. Constructed between 2004 and 2006, the sculpture is nicknamed The Bean because of its shape. Made up of 168 stainless steel plates welded together, its highly polished exterior has no visible seams. It measures 33 by 66 by 42 feet (10 by 20 by 13 m), and weighs 110 short tons (100 t; 98 long tons).

“Cloud Gate, AT&T Plaza, Millenium Park, Chicago” by Naotake Murayama is licensed under CC BY 2.0

Sibelius Monument (Helsinki)
The Sibelius Monument (Finnish: Sibelius-monumentti; Swedish: Sibeliusmonumentet) by Eila Hiltunen is dedicated to the Finnish composer Jean Sibelius (1865–1957). The monument is located at the Sibelius Park (Finnish: Sibeliuspuisto; Swedish: Sibeliusparken) in the district of Töölö in Helsinki, the capital city of Finland.

“Sibelius Monument, Helsinki” by jelm6 is licensed under CC BY 2.0

The Kelpies
The Kelpies are 30-metre-high horse-head sculptures featuring kelpies, standing next to a new extension to the Forth and Clyde Canal, and near River Carron, in The Helix, a new parkland project built to connect 16 communities in the Falkirk Council Area, Scotland. The sculptures were designed by sculptor Andy Scott and were completed in October 2013. The sculptures form a gateway at the eastern entrance to the Forth and Clyde canal, and the new canal extension built as part of The Helix land transformation project. The Kelpies are a monument to horse powered heritage across Scotland.

“The Kelpies” by amateur photography by michel is licensed under CC BY 2.0

The Steel Man
The Steel Man will be a 32 metre high sculpture and Interpretation Hub located in Rotherham (J34,M1), forming a landmark gateway to Yorkshire and the Sheffield City Region. The project began with a simple idea to create a landmark artwork and visitor centre that would act as a beacon for the Yorkshire region and a catalyst for change: The 32 metre high stainless steel sculpture and Hub will be built in Rotherham, a town steeped in the history of steel production for generations. The Steel Man will honour the people and places that forged this heritage of Steel and it will highlight the new technologies and specialised manufacturing that is helping to generate the northern powerhouse. Schools, Universities and other educational facilities have embraced the project which will stand as a totemic symbol of British manufacturing and innovation.

“The Steel Man” by Sheffieldicon is licensed under CC BY-SA 2.0

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The History Of Stainless Steel

Stainless steel can be found everywhere, from the cutlery in our kitchens to almost every sector of the manufacturing industry. In fact when you consider its myriad uses its hard to imagine life without it, so it comes as a surprise to discover that it was only invented a little over one hundred years ago.
Celebrating its centenary in 2013, the invention of true stainless steel is widely attributed to Harry Brearley of Sheffield, UK. However, there are also many rival claims from all over the world to Brearley’s title, and in the preceding years, there were many previous attempts to create stainless steel, some of which came very close indeed.

As far back as 1820, scientists Stoddard and Farraday discovered iron-chromium alloys to be more resistant to damage caused by acids, and in 1872 Woods and Clarke patented an alloy which contained 30 – 35% Chromium and 2% Tungsten. Later, in 1875 French scientist Brustlein made a major breakthrough with the discovery that to successfully make stainless steel, the carbon content should be below 0.15%. Some would argue that these discoveries marked the beginning of the development of stainless steel. A process involving efforts by many scientists that would continue for twenty years until the next major breakthrough.

In 1895, Hans Goldschmidt invented an aluminothermic reduction process that allowed carbon-free chromium to be produced and opened the door for the next stage in the development of stainless steel. French scientist Leon Guillet also played a part, although possibly unknowingly as he worked on studies analysing iron, nickel and chrome alloys analysing their chemical composition but failing to note the potential for corrosion resistance. By 1909 work was going on on both sides of the channel, with Giesen in England and Portevin in France both studying what would now be regarded as 430 stainless steel.

In 1911, the final major pre Harry Brearley breakthrough was made when German scientists Monnartz and Borchers discovered that there was a connection between chromium content and corrosion resistance.

A year after this discovery, in 1912 Harry Brearley was given the task of finding an erosion resistant steel by a firearms manufacturer. During this process he experimented with different alloys, eventually discovering that some had not rusted to the extent of their counterparts. Brearly later went into business with an old school friend, Ernest Stuart who coined the name “stainless steel” after testing the material with a vinegar solution.

But what of the other contenders to the title? These include German Company the Krupp Iron Works who in 1908 produced a chrome and nickel steel hull for a yacht named The Half Moon. In the USA the title was claimed by Elwood Haynes who claimed he discovered a rustproof razor in 1911 and two scientists Becket and Dantzen who worked with ferritic stainless steels between 1911 and 1914.

Over the following 100 years, approximately 100 grades of stainless steel went on to be discovered.

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UGINOX stainless steel roofs and façades for Fort William Gaelic School

A traditional standing seam system using Aperam UGINOX Patina K44 stainless steel was specified for the £7 million Fort William Gaelic medium primary school in Caol. A £36 million building programme saw three new primary schools built in the area.

Metal roofing and cladding specialist HL Metals undertook the stainless steel installation which extends from the roof into walls on buildings with both gabled and hipped roofs.

UGINOX Patina K44 is a ‘terne-coated’ bistabilized ferritic stainless steel with an electro-tinned coating on both sides. Ferritic grades offer greater price stability than austenitic grades through the absence of nickel but without compromising the metal’s high corrosion resistance. The inclusion of molybdenum also makes it ideal for coastal and aggressive environments and specifications without underside ventilation. The ‘terne-coated’ finish weathers to adopt a matt grey appearance which is reminiscent of lead but a low coefficient of expansion (half that of zinc) enables it to be used in long tray lengths.