Corrosion is defined as a refined metal that is naturally converted to a more stable form such as its hydroxide or sulphide state. Metal corrodes when it reacts with another substance such as oxygen, hydrogen or bacteria. Corrosion can also happen when metals are placed under too much stress causing the material to crack. Corrosion leads to deterioration of the material.
Stainless steel is highly corrosion resistant, making it suitable for use in environments where exposure to moisture, chemicals, or harsh conditions such as salt water is expected.
In this section you can find newsitems related to all types of corrosion such as stress corrosion cracking, intergranular corrosion, pitting, and corrosion fatigue. If you wish to include your news release on our website and email newsletter, please feel free to contact the editor.
High-strength, stainless, austenitic steel for Additive Manufacturing – this is what Printdur® HSA offers. The steel powder innovation from Deutsche Edelstahlwerke (DEW) was recently awarded the MP Corrosion Innovation of the Year Award 2021.
Sandvik has won a contract to supply seamless coiled tubing made from its SAF 2507®super duplex stainless steel to a geothermal plant in Central America.
Pipeotech has sealed the deal on an exciting new addition to its team by bringing in internationally recognized pipeline integrity and corrosion expert Jan Oredsson.
MIMETE Srl announced the newest powders from the iron-base family: standard Duplex MARS F51 and Super-duplex MARS F53. Duplex steel F51 is a widely used grade, where the relatively high content of Cr, Mo, and Ni generates better performing mechanical properties when compared to austenitic stainless steel.
The Development of Advanced, Highly Corrosion Resistant Coriolis Mass Flow Meters (Adv-Flow) is an innovative research project supported by Innovate UK, led by KROHNE Limited, with TWI and Langley Alloys.
BUTTING has been manufacturing tube rings made of corrosion-resistant materials for a client in the food industry. These rings are used in bottling plants as a central receptacle and for directly filling bottles.
BUMAX has been picked as the sole supplier of screws for advanced and durable prosthetic knees by a German manufacturer of a waterproof and submersible prosthesis knee and foot system, WEIGEL+ medical.
TWI announced the start of an Innovate UK funded research project entitled Development of Advanced, Highly Corrosion Resistant Coriolis Mass Flow Meters (Adv-Flow). The project is led by KROHNE Limited, with partners TWI and Langley Alloys.
VDM Metals adds VDM® Alloy N10675 to its product portfolio. The alloy has the material designation 2.4600 NiMo29C. VDM® Alloy N10675 is a highly corrosion resistant nickel-molybdenum alloy.
Corrosion can be a big problem because it can cause significant damage and deterioration to various materials, particularly metals. We have listed below several reasons why corrosion is a significant concern:
Structural Integrity: Corrosion weakens the structural integrity of materials. When metals corrode, they lose their strength and load-bearing capacity, which can lead to failures and collapses in infrastructure, buildings, bridges, pipelines, and other critical structures.
Economic Impact: Corrosion imposes substantial economic costs. The direct expenses associated with corrosion include repairs, replacements, and maintenance of corroded structures and equipment. Additionally, there are indirect costs such as production losses, decreased efficiency, and increased energy consumption due to the effects of corrosion on industrial processes and machinery.
Environmental Consequences: Corrosion can have adverse environmental effects. For example, in the case of pipelines, corrosion can lead to leaks and spills of hazardous substances, causing soil and water pollution and damaging ecosystems.
Health and Safety Risks: Corrosion can create health and safety risks in various ways. For instance, when corrosion affects pipelines or storage tanks carrying toxic substances, it can lead to leaks or releases that endanger the health of workers, communities, and the environment.
Maintenance and Downtime: Corrosion necessitates regular maintenance and inspection programs to detect and mitigate its effects. This requires significant time, effort, and financial resources. Additionally, when corrosion-related issues arise, it often requires shutting down operations, causing downtime and productivity losses.
Given these reasons, it is crucial to understand and address corrosion through preventive measures, protective coatings, corrosion-resistant materials, regular inspections and testing (ASTM B117), and appropriate maintenance practices to mitigate its impact and ensure the longevity and safety of structures and equipment.
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