A325M-04b - Standard Specification for Structural Bolts, Steel, Heat Treated 830 MPa Minimum Tensile Strength [Metric]
Description:
This specification covers two types of quenched and tempered, steel, metric heavy hex structural bolts having a minimum tensile strength of 830 MPa.
The bolts are furnished in sizes M12 to M136 inclusive. They are designated
by type denoting chemical composition as follows:
1.3.1 Type 1?Medium-carbon, carbon boron, medium carbon alloy, or alloy
boron steel.
1.3.2 Type 2?Withdrawn in 2003.
1.3.3 Type 3?Weathering Steel.
1.4 This specification is applicable to metric heavy hex, structural bolts
only.
Category: ASTM International Standards Specifications
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