q345d steel china grade
China standard GB/T1591 Q345D steel shall be done charpy V-notch impacting test under minus 20 centigrade.Many container manufacturers adpots these high tension strength to make offshore containers which can be used in deep oceans.
Q345 steel is a Chinese GB standard Low Alloy High Strength Structural Steel, material density is 7.85 g/cm3, tensile strength is 470-630 Mpa, and yield strength is 345 MPa, it has better properties than Q235. Q345D (GB ) - Worldwide equivalent gradesQ345D (China, GB ) - European (EU, EN) and wordwide Steel equivalent grades These comparison table is only intended as an indication of the closest khown equivalent grades. The source standarts should always be checked for the specific purpose for each material, in case of doubt Buy, sell, suppliers search product Q345D on-line
GB Q345D GB/T 1591 chemical. Carbon, Silicon, Manganese, Phosphorus, Sulfur are the main basic elements in GB Q345D GB/T 1591. Carbon is the most important hardening element in steel. Silicon helps to strengthen the strength. Like manganese, silicon is used to maintain the strength of steel during steel production.