S355J2 steel plate yield strength Rp0.2≥265mpa, tensile strength RM: 450-680mpa, elongation a≥12%, impact energy Kv2≥27J, tensile area shrinkage Z≥35% in thickness direction. ASTM A709 high strength steel, S355J2 steel plate has good internal quality, high density and stable performance.Meaning of S355J2-Z35: J2 requires negative 20 degree impact, and Z35 is the Z-direction performance of S355J2 steel plate.The meaning of S355J2 + N-Z35: J2 requires negative 20 degree impact, N means normalizing rolling rather than normalizing. Z35 is the Z-direction performance of S355J2 steel plate, ASTM A709 high strength steel.
The effect of nitrogen (N) on the properties of ASTM A709 high strength steel and so on steel is similar to that of carbon and phosphorus. With the increase of nitrogen content, the strength of steel can be significantly improved, especially the plasticity, especially toughness, and the weldability will be decreased, and the cold brittleness will be intensified. At the same time, aging tendency, cold brittleness and hot brittleness will be increased, which will damage the weldability and cold bending property of steel. Therefore, the nitrogen content in ASTM A709 high strength steel and so on steel should be reduced and limited as much as possible. Generally, nitrogen content should not be higher than 0.018%.
We can supply profiled plate in a range of grades in thicknesses up to 400mm and dimensionally we can cut up to 24 meters in length and 5 meters wide with flame cutting, plasma cutting and laser cutting service. This capability is backed by an in-house CAD team, capacity that enables us to work to short lead times and an established delivery network that ensures you receive the steel ASTM A709 high strength steel products when you need it.
Increasing the use of high-end steel will help reduce carbon emissions. The use of high-strength, high-toughness, corrosion-resistant and wear-resistant, fatigue-resistant, and long-life steel materials should be increased; on the basis of meeting the requirements for the use of steel products, the integrated application of structural lightweight design, lightweight materials, and lightweight manufacturing technologies should be realized; Improve the yield rate of steel and optimize the steel recycling system.
