Standard Specification for Quenched and Tempered Alloy Steel Bolts, and Other Externally Threaded Fasteners.
Two levels of bolting strength are covered in ASTM A354; Grade BC and Grade BD. Grade BD is the higher strength of the two and will be the only Grade addressed here.
|Grade||Diameter||Tensile Ksi, Min||Yield Ksi, Min||Elongation %, Min||RA %, Min|
|BD||1/4" to 2-1/2"||150||130||14||40|
|BD||2-5/8" to 4"||140||115||14||40|
|Element||Diameter: 1/4" to 1-1/2"||Diameter: Over 1-1/2"|
|Carbon||0.30% to 0.53%||0.30% to 0.53%|
|Plain||A563DH Heavy Hex Plain||F436 Plain|
|Hot Dip Galvanized||A563DH Heavy Hex HDG||F436 HDG|
The provided information was taken directly form the listed ASTM Standard, Additional information can be found in ASTM A354-11.