ASTM A490M
Full Name
ASTM A490M – Standard Specification for High-Strength Steel Bolts, Classes 10.9 and 10.9.3, for Structural Steel Joints (Metric)
Scope
This specification covers the chemical, mechanical, and metallurgical requirements for two types of heavy hex structural bolts made of quenched and tempered alloy steel and having specified tensile strengths and sizes.
Keywords
alloy steel; bolts; metric; SI; steel; structural; weathering steel