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  • 11

    Mar

    2024

    Ronsco, 253MA, UNS S30815, W.Nr.1.4835

    Why Choose 253MA for High-Temperature Applications?

    253MA (UNS S30815, W.Nr.1.4835) is a type of steel that offers a combination of favorable properties for high-temperature applications while being easy to work with. It maintains its resistance to oxidation at temperatures as high as 1150°C and demonstrates better performance in carbon, nitrogen, and sulphur-rich environments compared to grade 310. One of its advantages over high nickel alloys and grade 310 is its relatively low nickel content, making it more effective in reducing sulphide atmospheres. Additionally, the inclusion of high silicon, nitrogen, and cerium levels enhances the steel's ability to withstand oxide formation, maintain strength at elevated temperatures, and resist the formation of sigma phase precipitates. The austenitic structure of this grade also provides excellent toughness, even at extremely low temperatures such as cryogenic conditions.
  • 07

    Mar

    2024

    Ronsco, 17-7PH, UNS S17700, W.Nr. 1.4568

    Let's Exploring 17-7PH Together with Ronsco!

    17-7PH (UNS S17700, W.Nr. 1.4568) is a type of stainless steel known for its precipitation-hardening characteristics. It exhibits a semi-austenitic structure when in its annealed state and transforms into a martensitic structure when hardened. This steel offers notable advantages such as high strength, hardness, fatigue resistance, corrosion resistance, formability, and minimal distortion during heat treatment. It finds wide applications where a combination of excellent corrosion resistance and high strength is required. In its annealed state, 17-7PH stainless steel can be easily formed and subsequently hardened through uncomplicated heat treatments to achieve high levels of strength. Furthermore, this material demonstrates exceptional mechanical properties even at elevated temperatures of up to 900ºF (482ºC) when in the heat-treated condition. ​
  • 04

    Mar

    2024

    Ronsco, 17-4PH, UNS S17400, W.Nr. 1.4542

    A Brief Introduction to 17-4PH

    17-4PH stainless steel (UNS S17400, W.Nr. 1.4542) is a type of martensitic stainless steel that contains chromium, nickel, copper, and niobium. It is known for its exceptional combination of strength, hardness, and corrosion resistance. This material is magnetic and exhibits excellent mechanical properties. It can be readily welded and processed using standard fabrication techniques. Additionally, 17-4PH stainless steel offers high resistance to crack propagation, favorable transverse properties, and proven durability against stress corrosion cracking in marine settings.
  • 29

    Feb

    2024

    Ronsco, 15-5PH, UNS S51500, W.Nr. 1.4545

    Is 15-5PH the Ultimate Material for Corrosion Resistance?

    15-5PH stainless steel (also known as 15-5PH, UNS S51500, W.Nr. 1.4545) is a type of martensitic precipitation-hardening stainless steel. It possesses excellent strength, corrosion resistance, and mechanical properties at temperatures of up to 600°F (316°C). Furthermore, it exhibits remarkable toughness in both the longitudinal and transverse directions, making it suitable for various applications, including base metal and welds.
  • 26

    Feb

    2024

    Ronsco, Hastelloy C22, Alloy C22, UNS N06022, W.Nr. 2.4602

    Curious About Hastelloy C22's Allure?

    UNS N06022 (also known as Alloy C-22, W.Nr. 2.46022, Hastelloy® C-22) is an advanced corrosion-resistant alloy with a fully austenitic structure. This alloy provides excellent resistance to both aqueous corrosion and high-temperature attack, including general corrosion, pitting, crevice corrosion, intergranular attack, and stress corrosion cracking. Hastelloy C-22 typically consists of approximately 22% chromium, 14% molybdenum, and 3% tungsten. The high chromium content of the alloy contributes to its resistance against corrosion by oxidizing media. Additionally, the presence of molybdenum and tungsten provides the alloy with resistance to corrosion by reducing media.
  • 22

    Feb

    2024

    Ronsco, Hastelloy C276, Alloy C276, UNS N10276, W.Nr. 2.481

    The Enigmatic Alloy Hastelloy C276

    Hastelloy C-276 (UNS N10276, Alloy C-276, W.Nr. 2.4819) is a nickel-molybdenum-chromium alloy that is strengthened by solid solution, with a small proportion of tungsten. It demonstrates exceptional resistance to corrosion in various challenging environments. Its high molybdenum content provides protection against localized corrosion, including pitting. Moreover, the low carbon content prevents the formation of carbides during welding, thereby preserving its resistance to intergranular attack in the heat-affected zones of welded joints. Additionally, Hastelloy C-276 possesses good ductility, making it easily formable and weldable.
  • 19

    Feb

    2024

    Ronsco, UNS N06601, Alloy 601, W.Nr. 2.4851, Inconel 601

    What Makes Inconel 601 So Remarkable?

    UNS N06601 (Alloy 601, W.Nr. 2.4851, Inconel® 601) is a solid solution strengthened alloy primarily composed of nickel and chromium. It is widely recognized for its exceptional resistance to various corrosive media and high temperature environments. This alloy is commonly used in engineering applications that demand both heat and corrosion resistance. Additionally, it exhibits excellent resistance to aqueous corrosion, possesses high mechanical strength, and can be easily formed, machined, and welded.
  • 15

    Feb

    2024

    Ronsco, UNS N08825, Alloy 825, W.Nr. 2.4858, Incoloy 825

    Do You Know the Incoloy 825?

    UNS N08825 ( Alloy 825, W.Nr. 2.4858, Incoloy® 825) is an alloy composed of nickel, iron, and chromium, with additional elements such as molybdenum, copper, and titanium. This alloy exhibits exceptional resistance to various corrosive environments. Its high nickel content enables it to effectively withstand chloride-ion stress-corrosion cracking. The combination of nickel, molybdenum, and copper provides remarkable resistance to reducing environments, including those containing sulfuric and phosphoric acids. Moreover, the presence of molybdenum enhances its ability to resist pitting and crevice corrosion. Furthermore, the inclusion of titanium, along with suitable heat treatment, helps stabilize the alloy against intergranular corrosion sensitization.
  • 12

    Feb

    2024

    Ronsco, Inocloy 800H, Incoloy 800HT, UNS N08810, UNS N08811

    Incoloy 800H vs Incoloy 800HT

    The differences in carbon, aluminum, and titanium content among the three alloys, UNS N08810 and UNS N08811, do not vary significantly. However, their mechanical properties and resistance to high-temperature corrosion make them highly valuable for applications requiring prolonged exposure to elevated temperatures and corrosive environments. In comparison to Incoloy 800, both Incoloy 800H and Incoloy 800HT exhibit significantly higher creep and rupture strength. While the carbon content in Incoloy 800 has no lower limit and a maximum of 0.10%, Incoloy 800H has a carbon content ranging from 0.05 to 0.10%, and Incoloy 800HT has a more restricted range of 0.06 to 0.10%. Additionally, Incoloy 800H and Incoloy 800HT undergo a high-temperature annealing treatment, resulting in a coarser grain size. This annealing treatment, along with the controlled chemical composition, contributes to the enhanced creep and rupture strength exhibited by these alloys.
  • 08

    Feb

    2024

    Ronsco, Incoloy 800, UNS N08800, W.Nr. 1.4876, Alloy 800

    Is Incoloy 800 the Perfect High-Temperature Solution?

    UNS N08800, also known as Alloy 800, W.Nr. 1.4876, or Incoloy® 800, is a nickel-based alloy specifically designed to withstand corrosive and high-temperature environments. Its composition, primarily consisting of nickel, enables it to resist stress corrosion cracking and maintain a ductile, austenitic structure. The presence of chromium in the alloy provides excellent resistance to both aqueous corrosion and high-temperature oxidation. Additionally, the iron content contributes to its ability to resist internal oxidation. Moreover, Incoloy 800 exhibits favorable formability, weldability, and machinability. These exceptional properties make it a widely utilized material for constructing equipment that requires resistance to corrosion, heat, strength, and stability in service conditions of up to 1500°F (816°C).
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