Standard Specification for Carbon Steel, Alloy Steel, and Stainless Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both

ABSTRACT
This specification covers a variety of carbon, alloy, and martensitic and austenitic stainless steel nuts. These nuts are intended for high-pressure or high-temperature service, or both. Bars from which the nuts are made shall be hot-wrought. The material may be further processed by centerless grinding or by cold drawing. Austenitic stainless steel may be solution annealed or annealed and strain-hardened. Each alloy shall conform to the chemical composition requirements prescribed. Hardness tests, proof of load tests, and cone proof load tests shall be made to all nuts to meet the requirements specified.
SCOPE
1.1 This specification2 covers a variety of carbon, alloy, and martensitic stainless steel nuts in the size range 1/4 through 4 in. and metric M6 through M100 nominal. It also covers austenitic stainless steel nuts in the size range 1/4 in. and M6 nominal and above. These nuts are intended for high-pressure or high-temperature service, or both. Grade substitutions without the purchaser's permission are not allowed.  
1.2 Bars from which the nuts are made shall be hot-wrought. The material may be further processed by centerless grinding or by cold drawing. Austenitic stainless steel may be solution annealed or annealed and strain-hardened. When annealed and strain hardened austenitic stainless steel is ordered in accordance with Supplementary Requirement S1, the purchaser should take special care to ensure that 8.2.2, Supplementary Requirement S1, and Appendix X1 are thoroughly understood.  
1.3 Supplementary requirements of an optional nature are provided. These shall apply only when specified in the inquiry, contract, and order.  
1.4 This specification is expressed in both inch-pound units and in SI units. However, unless the order specifies the applicable “M” specification designation (SI units), the material shall be furnished to inch-pound units.  
1.5 The values stated in either inch-pound units or SI units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. Within the text, the SI units are shown in brackets.

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ASTM A194/A194M-16 - Standard Specification for Carbon Steel, Alloy Steel, and Stainless Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both
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13 pages
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Technical specification
REDLINE ASTM A194/A194M-16 - Standard Specification for Carbon Steel, Alloy Steel, and Stainless Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both
English language
13 pages
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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:A194/A194M −16 Endorsed by
Manufacturers Standardization Society
of the Valve and Fittings Industry
Used in USNRC-RDT Standards
Standard Specification for
Carbon Steel, Alloy Steel, and Stainless Steel Nuts for Bolts
1
for High Pressure or High Temperature Service, or Both
This standard is issued under the fixed designationA194/A194M; 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 (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope* 2. Referenced Documents
2
3
1.1 This specification covers a variety of carbon, alloy, and 2.1 ASTM Standards:
1
martensiticstainlesssteelnutsinthesizerange ⁄4 through4in.
A153/A153M Specification for Zinc Coating (Hot-Dip) on
andmetricM6throughM100nominal.Italsocoversaustenitic Iron and Steel Hardware
1
stainless steel nuts in the size range ⁄4 in. and M6 nominal and
A276 Specification for Stainless Steel Bars and Shapes
above. These nuts are intended for high-pressure or high- A320/A320M Specification for Alloy-Steel and Stainless
temperature service, or both. Grade substitutions without the
Steel Bolting for Low-Temperature Service
purchaser’s permission are not allowed.
A370 Test Methods and Definitions for Mechanical Testing
of Steel Products
1.2 Barsfromwhichthenutsaremadeshallbehot-wrought.
A962/A962M Specification for Common Requirements for
The material may be further processed by centerless grinding
Bolting Intended for Use at Any Temperature from Cryo-
or by cold drawing. Austenitic stainless steel may be solution
genic to the Creep Range
annealed or annealed and strain-hardened. When annealed and
B633 Specification for Electrodeposited Coatings of Zinc on
strain hardened austenitic stainless steel is ordered in accor-
Iron and Steel
dance with Supplementary Requirement S1, the purchaser
B695 Specification for Coatings of Zinc Mechanically De-
should take special care to ensure that 8.2.2, Supplementary
posited on Iron and Steel
Requirement S1, and Appendix X1 are thoroughly understood.
B696 Specification for Coatings of Cadmium Mechanically
1.3 Supplementary requirements of an optional nature are
Deposited
provided. These shall apply only when specified in the inquiry,
B766 Specification for Electrodeposited Coatings of Cad-
contract, and order.
mium
1.4 This specification is expressed in both inch-pound units
E112 Test Methods for Determining Average Grain Size
and in SI units. However, unless the order specifies the
E566 PracticeforElectromagnetic(EddyCurrent)Sortingof
applicable “M” specification designation (SI units), the mate-
Ferrous Metals
rial shall be furnished to inch-pound units.
F606 Test Methods for Determining the Mechanical Proper-
ties of Externally and Internally Threaded Fasteners,
1.5 The values stated in either inch-pound units or SI units
are to be regarded separately as standard. The values stated in Washers, and Rivets (Metric) F0606_F0606M
F1940 Test Method for Process Control Verification to
each system may not be exact equivalents; therefore, each
system shall be used independently of the other. Combining Prevent Hydrogen Embrittlement in Plated or Coated
Fasteners
values from the two systems may result in non-conformance
with the standard. Within the text, the SI units are shown in F1941 Specification for Electrodeposited Coatings on
brackets. Threaded Fasteners (Metric) F1941_F1941M
F2329 Specification for Zinc Coating, Hot-Dip, Require-
1
This specification is under the jurisdiction ofASTM Committee A01 on Steel, ments for Application to Carbon and Alloy Steel Bolts,
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
Screws, Washers, Nuts, and Special Threaded Fasteners
A01.22 on Steel Forgings andWrought Fittings for PipingApplications and Bolting
Materials for Piping and Special Purpose Applications.
Current edition approved May 1, 2016. Published May 2016. Originally
3
approved in 1936. Last previous edition approved in 2015 as A194/A194M – 15a. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
DOI: 10.1520/A0194_A0194M-16. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
2
For ASME Boiler and Pressure Vessel Code applications see related Specifi- Standards volume information, refer to the standard’s Document Summary page on
cation SA-194 in Section II of that code. the ASTM website.
*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 -------------
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: A194/A194M − 15a A194/A194M − 16 Endorsed by
Manufacturers Standardization Society
of the Valve and Fittings Industry
Used in USNRC-RDT Standards
Standard Specification for
Carbon Steel, Alloy Steel, and Stainless Steel Nuts for Bolts
1
for High Pressure or High Temperature Service, or Both
This standard is issued under the fixed designation A194/A194M; 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 (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope*
2
1
1.1 This specification covers a variety of carbon, alloy, and martensitic stainless steel nuts in the size range ⁄4 through 4 in.
1
and metric M6 through M100 nominal. It also covers austenitic stainless steel nuts in the size range ⁄4 in. and M6 nominal and
above. These nuts are intended for high-pressure or high-temperature service, or both. Grade substitutions without the purchaser’s
permission are not allowed.
1.2 Bars from which the nuts are made shall be hot-wrought. The material may be further processed by centerless grinding or
by cold drawing. Austenitic stainless steel may be solution annealed or annealed and strain-hardened. When annealed and strain
hardened austenitic stainless steel is ordered in accordance with Supplementary Requirement S1, the purchaser should take special
care to ensure that 8.2.2, Supplementary Requirement S1, and Appendix X1 are thoroughly understood.
1.3 Supplementary requirements of an optional nature are provided. These shall apply only when specified in the inquiry,
contract, and order.
1.4 This specification is expressed in both inch-pound units and in SI units. However, unless the order specifies the applicable“
M”applicable “M” specification designation (SI units), the material shall be furnished to inch-pound units.
1.5 The values stated in either inch-pound units or SI units are to be regarded separately as standard. The values stated in each
system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the
two systems may result in non-conformance with the standard. Within the text, the SI units are shown in brackets.
2. Referenced Documents
3
2.1 ASTM Standards:
A153/A153M Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware
A276 Specification for Stainless Steel Bars and Shapes
A320/A320M Specification for Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A962/A962M Specification for Common Requirements for Bolting Intended for Use at Any Temperature from Cryogenic to the
Creep Range
B633 Specification for Electrodeposited Coatings of Zinc on Iron and Steel
B695 Specification for Coatings of Zinc Mechanically Deposited on Iron and Steel
B696 Specification for Coatings of Cadmium Mechanically Deposited
B766 Specification for Electrodeposited Coatings of Cadmium
E112 Test Methods for Determining Average Grain Size
E566 Practice for Electromagnetic (Eddy Current) Sorting of Ferrous Metals
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel, Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee A01.22
on Steel Forgings and Wrought Fittings for Piping Applications and Bolting Materials for Piping and Special Purpose Applications.
Current edition approved Nov. 1, 2015May 1, 2016. Published December 2015May 2016. Originally approved in 1936. Last previous edition approved in 2015 as
A194/A194MA194/A194M – 15a.–15. DOI: 10.1520/A0194_A0194M-15A.10.1520/A0194_A0194M-16.
2
For ASME Boiler and Pressure Vessel Code applications see related Specification SA-194 in Section II of that code.
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*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 ----------------------
A194/A194M − 16
F606 Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded
...

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