Knowledge

• 29/Oct2025

  ASTM A312 TP321 stainless steel bright annealed seamless tubes for the oil in...

  ASTM A312 TP321 stainless steel bright annealed seamless tubes are ideal for the oil industry due to their excellent high-temperature corrosion resistance (thanks to titanium stabilization treatment).

• 29/Oct2025

  Seamless Pickled and Annealed Stainless Steel Tubes of ASTM A312 TP304L for N...

  For natural gas applications, seamless, pickled, and annealed ASTM A312 TP304L stainless steel tubing offers excellent corrosion resistance, high strength, and reliability under high pressure and high

• 28/Oct2025

  Can quenching and tempering improve the impact toughness of S355J0WP?

  Quenching and tempering cannot effectively improve S355J0WP’s impact toughness—it either leaves the steel too brittle (after quenching) or fails to meet toughness/weather resistance requirements (even

• 28/Oct2025

  Are there any specific heat treatment processes that can be used to further e...

  Normalizing, normalizing + tempering, and TMCP with intercritical annealing are the most effective heat treatments to enhance S355J0WP’s impact toughness. Stress relief annealing, while not directly i

• 28/Oct2025

  Are there any other factors besides chemical composition that can influence t...

  Besides chemical composition, several key factors significantly influence the low-temperature mechanical properties of S355J0WP (weather-resistant low-alloy steel)—primarily focusing on microstructura

• 28/Oct2025

  How does adjusting the chemical composition affect the weldability of S355J0WP?

  Adjusting the chemical composition of S355J0WP (a weather-resistant low-alloy steel) directly impacts its weldability—primarily by influencing the formation of brittle microstructures in the heat-affe

• 28/Oct2025

  What specific alloying elements can be adjusted to improve the impact toughne...

  To improve the impact toughness of S355J0WP (a weather-resistant low-alloy steel), specific alloying elements can be adjusted within the constraints of standards like EN 10025-5, while preserving its

• 28/Oct2025

  Can the impact toughness of S355J0WP be improved by adjusting its chemical co...

  The impact toughness of S355J0WP (a weather-resistant low-alloy structural steel) can be effectively improved by adjusting its chemical composition. This adjustment primarily focuses on optimizing the

• 28/Oct2025

  How does the carbon content in S355J0WP affect its mechanical properties at l...

  In S355J0WP steel, carbon content is strictly limited to ≤0.12% to balance low-temperature mechanical properties, weldability, and weather resistance. Excessive carbon would: (1) raise the brittle tra

• 27/Oct2025

  What are the other factors that can affect the low-temperature performance of...

  S355J0WP’s low-temperature performance depends not just on its composition, but also on a fine, uniform microstructure, controlled manufacturing processes, and compatibility with its service environme