Nov 04, 2009 · I've used ASTM A 709 Gr. 50 angles, which are the same thing as A 572 Gr. 50. I would venture to say that just about every angle I have ever dealt with (since I'm a bridge person) has been ASTM A 709 Gr. 50. What A 992 gets you that A 572 does not is an upper limit on the yield strength and on the yield-to-tensile ratio.
B Structural Steel and Steel Connections - Home same grade of steel. The yield stress varied from 50 ksi to 100 ksi in increments of 5 ksi up to 90 ksi. Although most of the time the same grade of steel was used in all three columns, sometimes a column was fabricated from different grades. The difference was up to
China Wf H Beams for Construction Grade of ASTM A572 Gr. 50 Q235, Find details about China H Beams, Wf Beam from Wf H Beams for Construction Grade of ASTM A572 Gr. 50 Q235 - Tangshan Grand Faith Steel Co., Ltd.
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