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ASTM A394-00

(Specification)

Standard Specification for Steel Transmission Tower Bolts, Zinc-Coated and Bare

Standard Specification for Steel Transmission Tower Bolts, Zinc-Coated and Bare

SCOPE
1.1 This specification covers the chemical and mechanical requirements of hexagon and square-head zinc-coated steel bolts and atmospheric corrosion-resistant bolts, in nominal thread diameters of 1/2, 5/8, 3/4, 7/8 and 1 in. for use in the construction of transmission towers, substations, and similar steel structures. The various types of bolts covered in this specification are:  
1.1.1 Type 0 -Zinc-coated bolts made of low or medium carbon steel.  
1.1.2 Type 1 -Zinc-coated bolts made of medium carbon steel, quenched and tempered.  
1.1.3 Type 2 -Zinc-coated bolts made from what is generally described as low-carbon martensite steel, quenched and tempered.  
1.1.4 Type 3 -Bare (uncoated), quenched and tempered bolts made of steel having atmospheric corrosion-resistance and weathering characteristics comparable to that of the steel covered in Specifications A242/A242M, A588/A588M, and A709/A709M. The atmospheric corrosion resistance of these steels is substantially better then that of carbon steel with or without copper addition (see 5.4). When properly exposed to the atmosphere, these steels can be used bare (uncoated) for many applications.  
1.1.5 For applications requiring improved low-temperature characteristics, use of Types 1, 2, or 3 bolts is recommended.  
1.2 Annex A1 of this specification covers zinc-coated steel ladder bolts, step bolts, and support-equipment bolts.  
1.3 Unless otherwise specified, all nuts used on these bolts shall be hex style and conform to the requirements of Specification A563 as follows: Bolt Type Nut Grade Fin Bolt Type Nut Grade Finish 0 A Zinc-coated 1 and 2 DH Zinc-coated 3 DH3 Plain
1.4 Suitable washers for use with Type 0 are zinc-coated carbon-steel washers with dimensions that are in accordance with Specification F436. Suitable washers for use with Type 1 and Type 2 bolts are zinc-coated Type 1 hardened-steel washers that are in accordance with Specification F436. Suitable washers for use with Type 3 bolts are Type 3 hardened-steel washers that are in accordance with Specification F436.  
1.5 Nuts and washers that are supplied under this specification that are zinc coated shall be in accordance with 4.4.  
1.6 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

General Information

Status
Historical
Publication Date
09-May-2000
ICS
21.060.10 - Bolts, screws, studs
29.240.20 - Power transmission and distribution lines
Technical Committee
F16 - Fasteners
Drafting Committee
F16.02 - Steel Bolts, Studs and Nuts
Current Stage
Ref Project

Relations

Replaced By
ASTM A394-04 - Standard Specification for Steel Transmission Tower Bolts, Zinc-Coated and Bare
Effective Date
01-Aug-2004
Referred By
ASTM F606/F606M-21 - Standard Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, Direct Tension Indicators, and Rivets
Effective Date
10-May-2000
Referred By
ASTM A563/A563M-21ae1 - Standard Specification for Carbon and Alloy Steel Nuts (Inch and Metric)
Effective Date
10-May-2000
Referred By
ASTM F2329/F2329M-15 - Standard Specification for Zinc Coating, Hot-Dip, Requirements for Application to Carbon and Alloy Steel Bolts, Screws, Washers, Nuts, and Special Threaded Fasteners
Effective Date
10-May-2000

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ASTM A394-00 - Standard Specification for Steel Transmission Tower Bolts, Zinc-Coated and BareASTM A394-00 - Standard Specification for Steel Transmission Tower Bolts, Zinc-Coated and Bare
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ASTM A394-00 - Standard Specification for Steel Transmission Tower Bolts, Zinc-Coated and Bare
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: A 394 – 00
Standard Specification for
1
Steel Transmission Tower Bolts, Zinc-Coated and Bare
This standard is issued under the fixed designation A 394; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope * with Specification F 436. Suitable washers for use with Type 1
and Type 2 bolts are zinc-coated Type 1 hardened-steel washers
1.1 This specification covers the chemical and mechanical
that are in accordance with Specification F 436. Suitable
requirements of hexagon and square-head zinc-coated steel
washers for use with Type 3 bolts are Type 3 hardened-steel
bolts and atmospheric corrosion-resistant bolts, in nominal
washers that are in accordance with Specification F 436.
1 5 3 7
thread diameters of ⁄2 ⁄8, ⁄4, ⁄8 and 1 in. for use in the
1.5 Nuts and washers that are supplied under this specifica-
construction of transmission towers, substations, and similar
tion that are zinc coated shall be in accordance with 4.4.
steel structures. The various types of bolts covered in this
1.6 The values stated in inch-pound units are to be regarded
specification are:
as the standard. The values given in parentheses are for
1.1.1 Type 0—Zinc-coated bolts made of low or medium
information only.
carbon steel.
1.1.2 Type 1—Zinc-coated bolts made of medium carbon
2. Referenced Documents
steel, quenched and tempered.
2.1 ASTM Standards:
1.1.3 Type 2—Zinc-coated bolts made from what is gener-
A 90 Test Method for Weight of Coating on Zinc-Coated
ally described as low-carbon martensite steel, quenched and
2
(Galvanized) Iron or Steel Articles
tempered.
A 153 Specification for Zinc Coating (Hot-Dip) on Iron and
1.1.4 Type 3—Bare (uncoated), quenched and tempered
2
Steel Hardware
bolts made of steel having atmospheric corrosion-resistance
A 242/A 242M Specification for High-Strength Low-Alloy
and weathering characteristics comparable to that of the steel
3
Structural Steel
covered in Specifications A 242/A 242M, A 588/A 588M, and
4
A 563 Specification for Carbon and Alloy Steel Nuts
A 709/A 709M. The atmospheric corrosion resistance of these
A 588/A 588M Specification for High-Strength Low-Alloy
steels is substantially better than that of carbon steel with or
Structural Steel with 50 ksi [345 MPa] Minimum Yield
without copper addition (see 5.4). When properly exposed to
3
Point to 4 in. [100 mm] Thick
the atmosphere, these steels can be used bare (uncoated) for
A 709/A 709M Specification for Structural Steel for
many applications.
3
Bridges
1.1.5 For applications requiring improved low-temperature
5
B 6 Specification for Zinc (Slab Zinc)
characteristics, use of Types 1, 2, or 3 bolts is recommended.
B 244 Test Method for Measurement of Thickness of An-
1.2 Annex A1 of this specification covers zinc-coated steel
odic Coatings on Aluminum and of Other Nonconductive
ladder bolts, step bolts, and support-equipment bolts.
Coatings on Nonmagnetic Basis Metals with Eddy-Current
1.3 Unless otherwise specified, all nuts used on these bolts
6
Instruments
shall be hex style and conform to the requirements of Speci-
B 499 Test Method for Measurement of Coating Thick-
fication A 563 as follows:
nesses by the Magnetic Method: Nonmagnetic Coatings on
Bolt Type Nut Grade Finish
6
Magnetic Basis Metals
0 A Zinc-coated
B 695 Specification for Coatings of Zinc Mechanically
1 and 2 DH Zinc-coated 6
Deposited on Iron and Steel
3 DH3 Plain
7
D 3951 Practice for Commercial Packaging
4
1.4 Suitable washers for use with Type 0 are zinc-coated
F 436 Specification for Hardened Steel Washers
carbon-steel washers with dimensions that are in accordance
2
1 Annual Book of ASTM Standards, Vol 01.06.
This specification is under the jurisdiction of ASTM Committee F16 on
3
Annual Book of ASTM Standards, Vol 01.04.
Fasteners and is the direct responsibility of Subcommittee F16.02 on Steel Bolts,
4
Annual Book of ASTM Standards, Vol 01.08.
Nuts, Rivets, and Washers.
5
Annual Book of ASTM Standards, Vol 02.04.
Current edition approved May 10, 2000. Published July 2000. Originally
6
Annual Book of ASTM Standards, Vol 02.05.
published as A 394 – 55 T. Last previous edition A 394 – 93.
7
Annual Book of ASTM Standards, Vol 15.09.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
A 394
ering steel, ASTM A 563 – XX and with 2 circular washers, Type 3,
F 606 Test Methods for Determining the Mec
...

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This specification covers the chemical and mechanical requirements of hexagon and square-head zinc-coated steel bolts and atmospheric corrosion-resistant bolts for use in the construction of transmission towers, substations, and similar steel structures. The following types of bolts are: Type 0 includes hot-dip zinc-coated bolts made of low or medium carbon steel, Type 1 includes hot-dip zinc-coated bolts made of medium carbon steel, quenched and tempered, Type 2, and Type 3 includes bare, quenched, and tempered bolts made of weathering steel. Steel for the manufacture of bolts shall be made by any of the following processes: open-hearth, electric-furnace, or basic-oxygen. Type 1 bolts produced from medium carbon steel shall be quenched in a liquid medium from above the austenizing temperature. Type 1 bolts produced from medium carbon steel to which chromium, nickel, molybdenum, or boron were intentionally added shall be quenched only in oil from above the austenitizing temperature. Type 3 bolts shall be quenched only in oil from above the austenitizing temperature. Cold-headed Type 0 bolts shall be stress relief annealed before zinc coating to remove cold work effects such that the hardness measured anywhere on the surface or through the cross-section shall meet the requirement specified. Different tests shall be conducted in order to determine the following mechanical properties of bolts: hardness, tensile strength, and shear strength.
SCOPE
1.1 This specification covers the chemical and mechanical requirements of hexagon and square-head zinc-coated steel bolts and atmospheric corrosion-resistant bolts, in nominal thread diameters of 1/2 , 5/8 , 3/4 , 7/8 and 1 in. for use in the construction of transmission towers, substations, and similar steel structures. The various types of bolts covered in this specification are:  
1.1.1 Type 0—Hot-dip zinc-coated bolts made of low or medium carbon steel.  
1.1.2 Type 1—Hot-dip zinc-coated bolts made of medium carbon steel, quenched and tempered.  
1.1.3 Type 2—Withdrawn in 2005.  
1.1.4 Type 3—Bare (uncoated), quenched and tempered bolts made of weathering steel.  
1.2 Annex A1 of this specification covers hot-dip zinc-coated steel ladder bolts, step bolts, and support-equipment bolts.  
1.3 Nuts and washers that are supplied under this specification that are hot-dip zinc coated shall be in accordance with 4.4.  
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1.5 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard.  
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This specification covers the chemical and mechanical requirements of hexagon and square-head zinc-coated steel bolts and atmospheric corrosion-resistant bolts for use in the construction of transmission towers, substations, and similar steel structures. The following types of bolts are: Type 0 includes hot-dip zinc-coated bolts made of low or medium carbon steel, Type 1 includes hot-dip zinc-coated bolts made of medium carbon steel, quenched and tempered, Type 2, and Type 3 includes bare, quenched, and tempered bolts made of weathering steel. Steel for the manufacture of bolts shall be made by any of the following processes: open-hearth, electric-furnace, or basic-oxygen. Type 1 bolts produced from medium carbon steel shall be quenched in a liquid medium from above the austenizing temperature. Type 1 bolts produced from medium carbon steel to which chromium, nickel, molybdenum, or boron were intentionally added shall be quenched only in oil from above the austenitizing temperature. Type 3 bolts shall be quenched only in oil from above the austenitizing temperature. Cold-headed Type 0 bolts shall be stress relief annealed before zinc coating to remove cold work effects such that the hardness measured anywhere on the surface or through the cross-section shall meet the requirement specified. Different tests shall be conducted in order to determine the following mechanical properties of bolts: hardness, tensile strength, and shear strength.
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1.1 This specification covers the chemical and mechanical requirements of hexagon and square-head zinc-coated steel bolts and atmospheric corrosion-resistant bolts, in nominal thread diameters of 1/2 , 5/8 , 3/4 , 7/8 and 1 in. for use in the construction of transmission towers, substations, and similar steel structures. The various types of bolts covered in this specification are:  
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  • Technical specification
    5 pages
    English language
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