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Fastener Fair Italy 2016. Let’s Meet In Milan!

fastener fair italy

Fastener Fair Italy. Also this year we can’t miss the appointment dedicated to screws, bolts and fasteners. A great opportunity to build successful business relationships between manufacturers, dealers, distributors, final users and industry.

Small Slotted or Cross Recessed Screws. What Changes From DIN to ISO?

The development of standards is evolving constantly. Their content in fact is constantly changing. And the more important thing is that these changes run with the transition from standard DIN to ISO. As in this case (small slotted and cross recessed screws) Introduction of the ISO standard. What changes? With the introduction of the ISO standards […]

Holes for Screws. What Is the Difference Between Counterbore and Countersunk?

Screw holes? How to create and what tools do you use? Today we will discuss this topic: counterbore and countersunk. Counterbore and countersunk. What are the differences? The “counterboring” is a mechanical process which consists in a cylindrical hole with a flat bottom which wides in turn another coaxial hole. This mechanical process is made by a […]

Stainless Steel – What to Make in Case of Contamination?

The corrosion resistance of stainless steel can be affected by steel contamination, a consequence of carbon steel cutting, grinding and welding operations. Steel contamination. What happens? The presence of contamination on the metal surface creates: The iron particles which are deposited on the surface of stainless steel will oxidize very quickly and form rust. This could also happen […]

Photovoltaic Systems. Which One to Mount? It Depends On The Roof!

photovoltaic systems

Photovoltaic systems. Considering that every roof is different, before installing a mounting system it is always advisable to consult an expert. It is in fact important to take particular account of static requirements. Pitched roof frameworks. Hereafter, according to the kind of panels used you have to position the sliding block swivel on the upper […]

Some Clarification About Ultimate Tensile and Yield Strength

Today we are talking about the ultimate tensile and yield strength. In particular, about stainless steel. Yield strength The yield strength is the material property defined as the stress at which a material begins to deform plastically. Prior to the yield point the material will deform elastically and will return to its original shape when the applied […]

Why Is Austenitic Steel Magnetic?

Today we want to deal with a very complex subject: magnetism in austenitic steel. Austenitic steel. Why do they become magnetic? Austenitic steels contains Cr (16 – 20%), Ni (7 – 18%) and  only some kinds Mo (2 – 6%) with a carbon content of typically less than 0.08%. The presence of stabilizing elements (such as Ti) improves the corrosion resistance, […]