Stainless steel was born in 1913 and is known for its beneficial properties due to its high content of chromium and other alloying elements. Its features include robustness, recyclability and toughness, as well as resistance to corrosion and heat and cold. Thanks to these properties, it can be used for a variety of purposes, from manufacturing medical tools to kitchen supplies.
The defense industry requires materials with certain characteristics to help equipment function properly and continue to operate. For steel, its use in the industry stems from its strength, corrosion and heat resistance, and durability, which can be used in tanks, military aircraft, and naval ships. There are many different types of steel to choose from, such as stainless steel, bulletproof steel and high-strength low-alloy steel. However, the steel we want to focus on today is S235 steel. This grade of low-carbon structural steel has a variety of applications in the defense industry, from structural components in military buildings to armored personnel carriers and hulls. Join us for a detailed look at S235 steel, its changes and why it should be the steel of choice for defense applications.
Low-temperature embrittlement of stainless steel pipes---In low-temperature environments, the deformation energy is small. In low-temperature environments, the phenomenon of reduced elongation and cross-sectional shortening is called low-temperature embrittlement.
316L stainless steel pipe welding precautions 316L stainless steel pipes have poor weldability, martensitic chromium stainless steel tends to be brittle when welded, and ferritic chromium stainless steel is easy to grow under the action of high welding temperature, making the weld more brittle. Although chromium-nickel stainless steel has good weldability, the welding current is large, and problems such as intergranular corrosion of welded joints, weld hot cracks, welding stress and deformation are likely to occur.
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