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 36as well as SAE J429 Grade 2.


A36 Mechanical Requirements
Tensile, ksi 58 - 80
Yield, min ksi 36
Elongation, min % in 2” 20
Elongation, min % in 8” 23
This abridged table shows only the mechanical requirements for bars. The complete table can be found in the ASTM standard at www.astm.org

A36 Chemical Requirements
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
This abridged table shows only the chemical requirements for bars. The complete table including shapes and plates can be found in the ASTM standard at www.astm.org

Appurtenant Materials

When components of a steel structure are identified with this ASTM designation, but the product form is not listed in the scope of this specification, the material shall conform to one of the standards listed below unless otherwise specified by the purchaser.


A36 Appurtenant Materials
Material ASTM Designation
Bolts A307 Grade A
High Strength Bolts A325
Nuts A563
Forgings A668 Class D
Anchor Bolts F1554 Grade 36
Table abridged to show only those items relevant to Fastindo Wiratama