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ASTM A490M-12

Standard Specification for High-Strength Steel Bolts, Classes 10.9 and 10.9.3, for Structural Steel Joints (Metric)

Automatische name übersetzung:

Standard-Spezifikation für hochfeste Stahlschrauben, Klassen 10.9 und 10.9.3 , für Structural Steel Gelenke (metrisch)

NORM herausgegeben am 1.4.2012

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Informationen über die Norm:

Bezeichnung normen: ASTM A490M-12
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.4.2012
SKU: NS-2778
Zahl der Seiten: 6
Gewicht ca.: 18 g (0.04 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM

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Die Annotation des Normtextes ASTM A490M-12 :

Keywords:

alloy steel, bolts, metric, SI, steel, structural, weathering steel, Alloy steel bolting materials--specifications, Bolted construction materials/applications--specifications, Fasteners (metal)--specifications, Steel bolting materials--specifications, Structural steel (SS) bolting materials--specifications, ICS Number Code 21.060.10 (Bolts, screws, studs)

Ergänzende Informationen

1. Scope

1.1 This specification covers two types of quenched and tempered alloy steel, metric heavy hex structural bolts having a tensile strength of 1040 to 1210 MPa.

1.2 These bolts are intended for use in structural connections comparable to those covered under the requirements of the Specification for Structural Joints Using ASTM and bolts, approved by the Research Council on Structural Connections; endorsed by the American Institute of Steel Construction and by the Industrial Fastener Institute.

1.3 The 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Type 2	Withdrawn in 2002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

1.4 This 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.

1.5 For inch-pound bolts, see Specification A490.

1.6 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.7 The 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.

TABLE 1 Chemical Requirements for Type 1 Bolts


Element	Heat Analysis, %	Product Analysis, %

Carbon
For sizes through M30	0.30–0.48	0.28–0.50
For size M36	0.35–0.53	0.33–0.55
Phosphorus, max	0.040	0.045
Sulfur, max	0.040	0.045
Alloying Elements	→ See 6.1 ←

TABLE 2 Chemical Requirements for Type 3 Bolts


Element	Heat Analysis, %	Product Analysis, %

Carbon
Sizes M20 and smaller	0.20–0.53	0.19–0.55
Sizes larger than M20.	0.30–0.53	0.28–0.55
Manganese, min	0.40	0.37
Phosphorus, max	0.035	0.040
Sulfur, max	0.040	0.045
Copper	0.20–0.60	0.17–0.63
Chromium, min	0.45	0.42
Nickel, min or	0.20	0.17
Molybdenum, min	0.15	0.14

2. Referenced Documents

F1470-24	Standard Practice for Fastener Sampling for Specified Mechanical Properties and Performance Inspection
F1789-23	Standard Terminology for F16 Mechanical Fasteners
F2328M-17(2022)	Standard Test Method for Determining Decarburization and Carburization in Hardened and Tempered Threaded Steel Bolts, Screws, Studs, and Nuts (Metric)
G101-04(2020)	Standard Guide for Estimating the Atmospheric Corrosion Resistance of Low-Alloy Steels
B1.13M	Metric Screw Threads
B18.2.3.7M	Metric Heavy Hex Structural Bolts
B18.24	Part Identifying Number (PIN) Code System Standard for B18 Fastener Products
7412	Hexagon Bolts for High Strength Structural Bolting With Large Width Across Flats (Short Thread Length)-Product Grade C-Property Classes 8.8 and 10.9
IFI 144	Test Evaluation Procedures for Coating Qualification Intended for Use on High-Strength Structural Bolts
F2833-11(2017)	Standard Specification for Corrosion Protective Fastener Coatings with Zinc Rich Base Coat and Aluminum Organic/Inorganic Type
A325-14	Standard Specification for Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength (Withdrawn 2016)
A490-14	Standard Specification for Structural Bolts, Alloy Steel, Heat Treated, 150 ksi Minimum Tensile Strength
A490M-14	Standard Specification for High-Strength Steel Bolts, Classes 10.9 and 10.9.3, for Structural Steel Joints (Metric)
A563M-07	Standard Specification for Carbon and Alloy Steel Nuts [Metric]
A751-21	Standard Test Methods and Practices for Chemical Analysis of Steel Products
D3951-18(2023)	Standard Practice for Commercial Packaging
E384-22	Standard Test Method for Microindentation Hardness of Materials
E1444-05	Standard Practice for Magnetic Particle Testing
F436M-11	Standard Specification for Hardened Steel Washers [Metric] (Withdrawn 2016)
F568M-07	Standard Specification for Carbon and Alloy Steel Externally Threaded Metric Fasteners (Withdrawn 2012)
F606M-14	Standard Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, and Rivets (Metric) (Withdrawn 2015)
F788/F788M-20e1	Standard Specification for Surface Discontinuities of Bolts, Screws, Studs, and Rivets, Inch and Metric Series (Includes all amendments and changes 9/12/2023).
F959M-13	Standard Specification for Compressible-Washer-Type Direct Tension Indicators for Use With Structural Fasteners (Metric) (Withdrawn 2016)
F1136M-10	Standard Specification for Zinc/Aluminum Corrosion Protective Coatings for Fasteners [Metric] (Withdrawn 2011)
E709-21	Standard Guide for Magnetic Particle Testing

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