1.1 This specification covers five grades of high-strength low-alloy structural steel shapes, plates, sheet piling, and bars. Grades 42 , 50 , and 55  are intended for riveted, bolted, or welded structures. Grades 60  and 65  are intended for riveted or bolted construction of bridges, or for riveted, bolted, or welded construction in other applications.
ASTM A573 Steel Plate - Grade 58, 65, 70 Leeco Steel, LLCMaterial Properties The following material properties are ASTM specifications and will be confirmed on the Mill Test Report. Grade Yield Point (ksi) Tensile Strength (ksi) Min. 8 Elongation % 58 32 58-71 21 65 35 65-77 20 70 42 70-90 18 Chemical Composition The following composition properties are ASTM specifications for these A573 grades. A573 GR 58 Carbon max 0.23% Manganese 0.60-0.90%
Standard:AISI, ASTM, BS, DIN, GB, JIS Grade:Q345,30Mn,35Mn,40Mn,45Mn,50Mn,55Mn,60Mn,65Mn, 70Mn,30Mn2,40Mn2,50Mn2 Thickness:0.1mm-300mm Place of Origin:China
China Carbon Structural Steels - The World MaterialCarbon Structural Steels. Carbon structural steel refers to an iron-carbon alloy having a mass fraction of carbon of 0.04% to 2.0%. Its mainly used in railways, bridges, and various construction projects to manufacture various metal components subjected to static loads, and mechanical parts and general welded parts that do not require heat 50mn steel, 50mn steel Suppliers and Manufacturers at 8,857 50mn steel products are offered for sale by suppliers on , of which steel sheets accounts for 1%, steel round bars accounts for 1%, and other fasteners accounts for 1%. A wide variety of 50mn steel options are available to you, such as aisi, astm, and jis. You can also choose from bending, cutting, and decoiling 50mn steel, as