In the end, Elias retired, but he kept a printed copy of the A786 PDF in his desk. He knew that even if the world forgot the engineers who wrote the numbers, the beneath every heavy boot in the city would keep on holding, silent and specified. ASTM A786 Teardrop Pattern Dimensions | PDF - Scribd
It is considered easily weldable, though thicker plates (above 3/4 inch) may require preheating due to carbon content limits (typically capped at 0.25% or 0.33% depending on grade) to prevent cracking. Pattern and Designations astm a786 pdf