Corrosion is one of the main problems affecting metallic materials, compromising their durability and performance. To combat this phenomenon, several surface treatment techniques exist, including phosphating.
Metal surface coatings represent one of the most important technologies for improving the performance and durability of metallic materials.
Hydrogen embrittlement is a metallurgical phenomenon that can seriously compromise the structural integrity of metallic materials, especially in high-strength steels and titanium alloys.
Hot-dip galvanizing is one of the most effective and widely used techniques to protect steel from corrosion, thanks to the creation of a zinc coating that bonds to the base metal through immersion in a molten zinc bath.
Pickling is a chemical process used to remove impurities, oxides, scale, and other contaminants from the surface of metals.
Passivation is a fundamental chemical treatment for stainless steel, designed to enhance its corrosion resistance properties. This process involves applying an acid solution that removes surface contaminants and promotes the formation of a chromium oxide layer on the metal’s surface.
The Geomet treatment is an advanced surface coating technology mainly used to improve the corrosion resistance of metallic components, particularly steel and iron.
The choice of protective coating depends on various factors, including the type of material to be protected, the service environment, and performance requirements.
Electrolytic zinc plating is one of the most widely used galvanic coating processes, applied to improve the corrosion resistance of metallic components and to provide an aesthetically pleasing finish.
The Declaration of Preferential Origin is a document used in international trade to certify that exported goods originate from a specific country that benefits from preferential trade agreements.
PPM Control (Parts Per Million) is a quality measurement used to quantify the number of defects in relation to the total number of parts produced. This parameter is crucial for industries aiming to maintain a high level of product and service quality.
The Production Part Approval Process (PPAP) is a procedure used in the automotive industry and other manufacturing sectors to ensure that supplies and components meet customer requirements and specifications.
The Production Part Approval Process (PPAP) is a standard methodology primarily used in the automotive industry to ensure that suppliers can consistently and repeatedly produce parts that meet customer requirements.
Structural bolts are regulated by a series of international and national technical standards that define the mechanical characteristics, dimensional tolerances, performance requirements, and testing methodologies. These standards ensure that the bolts used in construction and infrastructure are safe and reliable.
The SB assembly, consisting of a hexagon head bolt and a hexagon nut, is designed for structural applications that require non-preloaded joints, in compliance with UNI EN 15048.
In the field of construction and infrastructure, the safety and durability of structures largely depend on the quality of structural joints. The HV bolting system, consisting of a bolt, nut, and two washers, is designed to ensure maximum performance in controlled tightening joints.
Timber constructions are gaining increasing popularity thanks to their sustainability, energy efficiency, and versatility. In this context, structural screws play a fundamental role in ensuring the safety and stability of structures.
Non-preloaded structural bolts are a fundamental component in steel constructions, where connections must ensure safety and stability without the need for a specific preload.
Corrosion is a natural phenomenon that leads to the degradation of metallic materials due to chemical reactions with the environment. In many industrial sectors, corrosion represents a significant challenge, affecting the durability, safety, and efficiency of metal components.
High-strength steel is a category of metallic materials that combines high mechanical strength with good ductility, making it ideal for applications requiring both superior structural performance and durability.
Stainless steels are a class of materials widely used in multiple industrial sectors thanks to their excellent corrosion resistance, durability, and ease of maintenance.
Screws are fundamental fastening elements in many mechanical and structural applications. They are designed to withstand static and dynamic loads, ensuring the proper assembly of mechanical components.
The IS UNI EN ISO 898-1:2013 standard specifies the mechanical properties of metric threaded bolts and studs made of carbon steel and alloy steel. This standard covers a wide range of strength classes, determining the requirements for properties such as tensile strength, hardness, and resilience.
Bolts are essential components in many mechanical and structural applications. However, the shape and design of bolts can significantly affect their load capacity. Bolts with reduced sections, deep threads, or special geometries may have lower breaking loads compared to standard bolts. This document analyzes the mechan
Bolts are essential components in many mechanical and structural applications. However, the shape and design of bolts can significantly affect their load capacity. Bolts with reduced sections, deep threads, or special geometries may have lower breaking loads compared to standard bolts. This document analyzes the mechan
The ISO metric system (International Organization for Standardization) is one of the most widely used measurement systems in the world, particularly in industrial and engineering applications. A fundamental part of the ISO system includes bolts and nuts, which are essential for assembling various mechanical components.
Unified threads are standardized to ensure interchangeability between mechanical components produced in different regions of the world. They are primarily used in the mechanical and manufacturing industries, where precision and reliability are crucial.
Metric threading is one of the most commonly used threading systems worldwide, standardized according to the international metric system. This type of threading is defined by ISO 68-1 and is characterized by a "V" profile with a 60-degree angle.
Assembly is a crucial phase in the production process of any mechanical product. Various types of assembly can be used, depending on the specific needs of the product and the characteristics of the components.
The loosening of threaded joints is a leading cause of mechanical failure, especially in applications subject to vibrations, dynamic loads, and thermal variations. For stainless steels choosing solutions that prevent loosening is crucial for ensuring the reliability of structures and components.
The loosening of threaded fasteners is a common problem in many mechanical applications, especially those exposed to vibrations, shocks, and thermal cycles. In stainless steelspreventing loosening is crucial to ensuring the structural integrity and longevity.
In the field of mechanical engineering, preventing the loosening of threaded joints is crucial to ensuring the safety and efficiency of structures. The ISO (International Organization for Standardization) standards provide fundamental guidelines for the design and maintenance of these joints. Two main approaches are us
Materials and Surface Treatments ISO metric screws can be manufactured from various materials, including steel, stainless steel, brass, and plastic. The choice of material depends on the specific application, considering factors such as corrosion resistance, mechanical strength, and cost. Table 2: Common Materials for ISO Metric Screws
