ASTM A325M

Standard Specification for High-Strength Bolts for Structural Steel Joints [Metric]

English 1997
0.000
ASTM
Detailed Information

1.1.1 Type 1-Bolts made of medium-carbon steel.
1.1.2 Type 2-Bolts made from what is generally described as low-carbon martensite steel.
1.1.3 Type 3-Bolts made of steel having atmospheric corrosion resistance and weathering characteristics comparable to that of the steel covered in Specifications A 588/A 588M, A 242/A A242M, and A 709/A 709M. The atmospheric corrosion resistance of these steels is substantially better than that of carbon steel with or without copper addition (see 5.3). When properly exposed to the atmosphere, these steels can be used bare (uncoated) for many applications.

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