News aus der Stahlwelt: Entwicklungen und Innovationen bei UnionStahl

Guidelines for pressure vessel steel grades: What you need to know

Pressure vessel steel grades are special steel grades that are designed for the manufacture of containers that must withstand high pressure and temperature loads and must not show any cracks or other damage.

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CTOD test: Crack resistance of steel in the endurance test

The CTOD test is an important test standard for steel. It simulates the formation of cracks and helps to determine the material’s crack resistance. Read here how the test works and what advantages it offers.

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The DWT test: proof of fracture mechanics for materials

The DWT test, also known as the Pellini or drop weight test, determines the Nil Ductility Transition Temperature (NDT) and is used to assess the fracture resistance of ferritic steels.

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Sour gas-resistant steel grades – how to defy the rust monster

For use in pipelines and pressure vessels that come into contact with sour gas, steel grades with high purity, homogeneous microstructure and low sulphur content are essential in order to prevent hydrogen-induced cracking (HIC).

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The modulus of elasticity

Steel is an indispensable material in many industries. Its high strength and rigidity make it ideal for the construction of bridges, machines and systems. But how can you calculate how resilient steel is? This is where the modulus of elasticity comes into play.

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Knocking on sheet metal – your guide to strip and heavy plate

The volume of orders in the steel industry is subject to numerous external influences that often call for complete solutions from a single source. Thanks to forward-looking planning and flexible options, UnionStahl is also ideally prepared to meet special requirements. Learn more

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Endurance test for steel: the DWTT test

Resistance to dynamic stress is of crucial importance. The DWTT test focuses on this property and provides important findings.

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