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A572 steel properties are specified by ASTM International standards. [2] Grades. A572 steel has five different grades: 42, 50, 55, 60 and 65. [2]
ASTM A992 is currently the most available steel type for structural wide-flange beams. The industry's technical institute describes the standard thus: "ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) is the preferred material specification for wide-flange shapes, having replaced ASTM A36 and A572 grade 50. There are a couple of noteworthy enhancements ...
A572 Gr. 42 42 60 1.43 24 Gr. 50 50 65 1.30 21 Gr. 60 60 75 1.25 18 Gr. 65 65 80 1.23 17 High-strength low-alloy structural steel with 50 ksi minimum yield point A588 50 70 1.40 21 Hot-rolled and cold-rolled high-strength low-alloy steel sheet and strip with improved corrosion resistance A606 Hot-rolled as rolled cut length 50 70 1.40 22
ASTM A500 is a standard specification published by the ASTM for cold-formed welded and seamless carbon steel structural tubing in round, square, and rectangular shapes. It is commonly specified in the US for hollow structural sections, but the more stringent CSA G40.21 is preferred in Canada.
I-beams are commonly made of structural steel but may also be formed from aluminium or other materials. A common type of I-beam is the rolled steel joist (RSJ), sometimes incorrectly rendered as reinforced steel joist. British and European standards also specify Universal Beams (UBs) and Universal Columns (UCs).
The properties of steel vary widely, depending on its alloying elements. The austenizing temperature, the temperature where a steel transforms to an austenite crystal structure, for steel starts at 900 °C (1,650 °F) for pure iron, then, as more carbon is added, the temperature falls to a minimum 724 °C (1,335 °F) for eutectic steel (steel ...
EN 10027-1 steel grade designation system. European standard steel grade names fall into two categories: [1] Steel specified by purpose of use and mechanical properties. Steel specified by chemical composition. The inclusion of a letter 'G' before the code indicates the steel is specified in the form of a casting.
Continuous cooling transformation diagram of EN S355 (ASTM A-572 Grade 50, warranted yield stress 355 MPa) for welding (fast cooling, linear scale). A continuous cooling transformation (CCT) phase diagram is often used when heat treating steel. [1]