a36 steel aisc steel type When was A36 steel introduced? - Structural engineering ...
Jan 03, 2006 · Only when A36 steel was introduced in 1960 in a tentative specification (ASTM A36-60T) did the minimum yield point for structural steel plates and shapes increase to 248 MPa (36 ksi). By that time, weldability and welding practices for structural steel had markedly improved and standardized.
ASTM-A36 was "originally approved in 1960", per the footnote in the current A36. Actual usage could have lagged behind, I suppose.Yes, similar to our A992-Gr50.apetr26542, great question. I just reviewed the floor framing for a mechanical room in a building constructed about the same time as yours. I use...From http://www .usace.arm y.mil/usac e-docs/eng -manuals/e m1110-2-60 54/c-7.pdf Quote In 1939, A7 and A9 were consolidated into a single specif...1A36 (Grade 50) versus A572 Gr 50A36 steel in sub-zero temperaturesSee more results