ASTM A36 covers the chemical and mechanical requirements for carbon steel shapes, plates, and bars of structural quality for use in riveted, bolted, or welded construction of bridges, buildings, and general structural purposes. Bolts manufactured from A36 steel include ASTM specifications A307 and F1554 Grade 36 as well as SAE J429 Grade 2.
Tensile, ksi | 58 - 80 |
Yield, min ksi | 36 |
Elongation, min % in 2” | 20 |
Elongation, min % in 8” | 23 |
Thickness, inches |
Up to 3/4" |
Over 3/4" to 1-1/2" |
Over 1-1/2" to 4" |
Over 4" |
Carbon, max % |
0.26 |
0.27 |
0.28 |
0.29 |
Manganese, % |
0.60 - 0.90 |
0.60 - 0.90 |
0.60 - 0.90 |
|
Phosphorous, max % |
0.04 |
0.04 |
0.04 |
0.04 |
Sulfur, max % |
0.05 |
0.05 |
0.05 |
0.05 |
Silicon, max % |
0.40 |
0.40 |
0.40 |
0.40 |
Copper, min % when copper is specified |
0.20 |
0.20 |
0.20 |
0.20 |