Yield Strength of ASTM A992 Steel
| Value | 345,000,000 Pa |
| Status | Conventional / typical value |
| Source | ASTM A992 / AISC Steel Construction Manual, 15th ed. |
| Categories | Material PropertiesEngineering & Trade |
| microbar | 3,450,000,000 μbar |
| barye | 3,450,000,000 Ba |
| millitorr | 2,587,712,800 mTorr |
| pascal | 345,000,000 Pa |
| millimeter of water column | 35,180,209 mmH₂O |
| pound per square foot | 7,205,474.8 lb/ft² |
| centimeter of water column | 3,518,020.9 cmH₂O |
| hectopascal | 3,450,000 hPa |
| millibar | 3,450,000 mbar |
| torr | 2,587,712.8 Torr |
| millimeter of mercury | 2,587,712.4 mmHg |
| inch of water column | 1,385,047.6 in w.g. |
| kilopascal | 345,000 kPa |
| foot of water column | 115,420.64 ft H₂O |
| inch of mercury | 101,878.44 inHg |
| pound per square inch | 50,038.02 psi |
| meter of water column | 35,180.209 m H₂O |
| decibar | 34,500 dbar |
| kilogram-force per square centimeter | 3,518.0209 kgf/cm² |
| bar | 3,450 bar |
| atmosphere | 3,404.8853 atm |
| megapascal | 345 MPa |
| kip per square inch | 50.03802 ksi |
| gigapascal | 0.345 GPa |
| million pounds per square inch | 0.05003802 Mpsi |
Learning zone
A992 is the modern structural shape steel: minimum yield 50 ksi (345 MPa), tensile 65 ksi minimum, and — the part that distinguishes it from earlier 50 ksi grades — a maximum yield of 65 ksi and a yield-to-tensile ratio capped at 0.85. Those ceilings exist for ductility and weldability, so that a member yields well before it ruptures and connections can be designed to develop the member.
The 39 % strength increase over A36 buys nothing in stiffness: the modulus is still 200 GPa, so deflection, vibration and elastic buckling are unchanged. What A992 buys is strength-governed capacity, which is why upgrading a floor beam grade helps a strength check and does nothing for a bouncy floor. In practice this means many modern beams are deflection-controlled and run at a fraction of their strength capacity. As with A36, this is a specified minimum, not the mill's actual product — typical measured yields run 55–58 ksi.