ASTM A 490M : 2014
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Standard Specification for High-Strength Steel Bolts, Classes 10.9 and 10.9.3, for Structural Steel Joints (Metric)
Hardcopy , PDF
09-10-2018
English
01-08-2014
1.1This specification covers two types of quenched and tempered alloy steel, metric heavy hex structural bolts having a tensile strength of 1040 to 1210 MPa.
1.2These bolts are intended for use in structural connections comparable to those covered under the requirements of the Specification for Structural Joints Using ASTM A325 and A490 bolts, approved by the Research Council on Structural Connections; endorsed by the American Institute of Steel Construction and by the Industrial Fastener Institute.2
1.3The bolts are furnished in nominal bolt diameters M12 to M36, inclusive. They are designated by type denoting chemical composition as follows:
| Type | Description |
| Type 1 | Medium carbon alloy steel |
| Type 2 | Withdrawn in 2002 |
| Type 3 | Weathering steel |
1.4This specification is applicable to metric heavy hex structural bolts and alternate designs as established by the Research Council in its publication, Specification for Structural Joints Using ASTM and bolts.
1.5For inch-pound bolts, see Specification A490.
1.6The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.7The following safety hazards caveat pertains only to the Test Methods portion, Section 13, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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