A490

Commonly used in structural steel joints in heavy construction where a tensile strength and yield strength greater then A325 Structural Bolts is required.
Heat treated to have a Rockwell Hardness ranging between C33-38.
Yield strength is 130,000 PSI minimum
Tensile strength ranges from 150,000 to 170,000 PSI.
Fully traceable certifications of chemical and physical compliance available by request.