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ASTM A960/A960M-23

(Specification)

Standard Specification for Common Requirements for Wrought Steel Piping Fittings

Standard Specification for Common Requirements for Wrought Steel Piping Fittings

ABSTRACT
This specification covers the common requirements that shall apply to wrought steel piping fittings. The material shall consist of forgings, bars, plates, and seamless or welded tubular products. Ferritic steels shall be fully killed. Hollow cylindrically shaped parts up to and including NPS 4 may be machined from bar or seamless tubular material. Elbows, return bends, tees, and header tees shall not be machined directly from bar stock. The following procedures shall be done for heat treatment: full annealing, solution annealing, isothermal annealing, normalizing, tempering and post-weld heat treatment, stress relieving, and quench and temper. Chemical analysis, heat analysis, and product analysis shall also be done. The chemical requirements shall conform to the required compositions of carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, molybdenum, vanadium, columbium, titanium, aluminum, lead, and copper. The following tests shall be done for the mechanical requirements: tension, hardness, impact, and hydrostatic tests.
SCOPE
1.1 This specification covers a group of common requirements that shall apply to wrought steel piping fittings covered in any of the following individual product specifications or any other ASTM specification that invokes this specification or portions thereof:    
Title of Specification  
ASTM
Designation  
Specification for Piping Fittings of Wrought
Carbon Steel and Alloy Steel for Moderate and
High Temperature Service  
A234/A234M    
Specification for Wrought Austenitic Stainless
Steel Piping Fittings  
A403/A403M    
Specification for Piping Fittings of Wrought Carbon
Steel and Alloy Steel for Low-Temperature Service  
A420/A420M    
Specification for Wrought-Carbon Steel Butt-Welding
Piping Fittings with Improved Notch Toughness  
A758/A758M    
Specification for As-Welded Wrought Austenitic
Stainless Steel Fittings for General Corrosive
Service at Low and Moderate Temperatures  
A774/A774M    
Specification for Wrought Ferritic, Ferritic/Austenitic,
and Martensitic Stainless Steel Piping Fittings  
A815/A815M    
Specification for Heat-Treated Carbon Steel
Fittings for Low-Temperature and Corrosive Service  
A858/A858M    
Specification for Wrought High-Strength
Ferritic Steel Butt-Welding Fittings  
A860/A860M  
1.2 In case of conflict between a requirement of the individual product specification and a requirement of this general requirement specification, the requirements of the individual product specification shall prevail over those of this specification.  
1.3 By mutual agreement between the purchaser and the supplier, additional requirements may be specified (See 4.1.8). The acceptance of any such additional requirements shall be dependent on negotiations with the supplier and must be included in the order as agreed upon by the purchaser and supplier.  
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text and the tables, the SI units are shown in brackets. 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 specification. The inch-pound units shall apply unless the “M” designation [SI] of the product specification is specified in the order.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

General Information

Status
Published
Publication Date
30-Apr-2023
ICS
23.040.40 - Metal fittings
77.140.20 - Stainless steels
Technical Committee
A01 - Steel, Stainless Steel and Related Alloys
Drafting Committee
A01.22 - Steel Forgings and Wrought Fittings for Piping Applications and Bolting Materials for Piping and Special Purpose Applications
Current Stage
Ref Project

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Standards Content (Sample)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: A960/A960M − 23
Standard Specification for
1
Common Requirements for Wrought Steel Piping Fittings
This standard is issued under the fixed designation A960/A960M; 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.
1. Scope* in each system may not be exact equivalents; therefore each
system shall be used independently of the other. Combining
1.1 This specification covers a group of common require-
values from the two systems may result in non-conformance
ments that shall apply to wrought steel piping fittings covered
with the specification. The inch-pound units shall apply unless
in any of the following individual product specifications or any
the “M” designation [SI] of the product specification is
other ASTM specification that invokes this specification or
specified in the order.
portions thereof:
1.5 This international standard was developed in accor-
Title of Specification ASTM
Designation
dance with internationally recognized principles on standard-
Specification for Piping Fittings of Wrought A234/A234M
ization established in the Decision on Principles for the
Carbon Steel and Alloy Steel for Moderate and
Development of International Standards, Guides and Recom-
High Temperature Service
Specification for Wrought Austenitic Stainless A403/A403M
mendations issued by the World Trade Organization Technical
Steel Piping Fittings
Barriers to Trade (TBT) Committee.
Specification for Piping Fittings of Wrought Carbon A420/A420M
Steel and Alloy Steel for Low-Temperature Service
2. Referenced Documents
Specification for Wrought-Carbon Steel Butt-Welding A758/A758M
Piping Fittings with Improved Notch Toughness
2
2.1 ASTM Standards:
Specification for As-Welded Wrought Austenitic A774/A774M
Stainless Steel Fittings for General Corrosive
A29/A29M Specification for General Requirements for Steel
Service at Low and Moderate Temperatures
Bars, Carbon and Alloy, Hot-Wrought
Specification for Wrought Ferritic, Ferritic/Austenitic, A815/A815M
A234/A234M Specification for Piping Fittings of Wrought
and Martensitic Stainless Steel Piping Fittings
Specification for Heat-Treated Carbon Steel A858/A858M
Carbon Steel and Alloy Steel for Moderate and High
Fittings for Low-Temperature and Corrosive Service
Temperature Service
Specification for Wrought High-Strength A860/A860M
A262 Practices for Detecting Susceptibility to Intergranular
Ferritic Steel Butt-Welding Fittings
Attack in Austenitic Stainless Steels
1.2 In case of conflict between a requirement of the indi-
A370 Test Methods and Definitions for Mechanical Testing
vidual product specification and a requirement of this general
of Steel Products
requirement specification, the requirements of the individual
A388/A388M Practice for Ultrasonic Examination of Steel
product specification shall prevail over those of this specifica-
Forgings
tion.
A403/A403M Specification for Wrought Austenitic Stainless
1.3 By mutual agreement between the purchaser and the
Steel Piping Fittings
supplier, additional requirements may be specified (See 4.1.8).
A420/A420M Specification for Piping Fittings of Wrought
The acceptance of any such additional requirements shall be
Carbon Steel and Alloy Steel for Low-Temperature Ser-
dependent on negotiations with the supplier and must be
vice
included in the order as agreed upon by the purchaser and
A700 Guide for Packaging, Marking, and Loading Methods
supplier.
for Steel Products for Shipment
A751 Test Methods and Practices for Chemical Analysis of
1.4 The values stated in either SI units or inch-pound units
are to be regarded separately as standard. Within the text and Steel Products
A758/A758M Specification for Wrought-Carbon Steel Butt-
the tables, the SI units are shown in brackets. The values stated
Welding Piping Fittings with Improved Notch Toughness
A763 Practices for Detecting Susceptibility to Intergranular
Attack in Ferritic Stainless Steels
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
2
Materials for Piping and Special Purpose Applications. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved May 1, 2023. Published May 2023. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1996. Last previous edition approved i
...

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: A960/A960M − 20 A960/A960M − 23
Standard Specification for
1
Common Requirements for Wrought Steel Piping Fittings
This standard is issued under the fixed designation A960/A960M; 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.
1. Scope*
1.1 This specification covers a group of common requirements that shall apply to wrought steel piping fittings covered in any of
the following individual product specifications or any other ASTM specification that invokes this specification or portions thereof:
Title of Specification ASTM
Designation
Specification for Piping Fittings of Wrought A234/A234M
Carbon Steel and Alloy Steel for Moderate and
High Temperature Service
Specification for Wrought Austenitic Stainless A403/A403M
Steel Piping Fittings
Specification for Piping Fittings of Wrought Carbon A420/A420M
Steel and Alloy Steel for Low-Temperature Service
Specification for Wrought-Carbon Steel Butt-Welding A758/A758M
Piping Fittings with Improved Notch Toughness
Specification for As-Welded Wrought Austenitic A774/A774M
Stainless Steel Fittings for General Corrosive
Service at Low and Moderate Temperatures
Specification for Wrought Ferritic, Ferritic/Austenitic, A815/A815M
and Martensitic Stainless Steel Piping Fittings
Specification for Heat-Treated Carbon Steel A858/A858M
Fittings for Low-Temperature and Corrosive Service
Specification for Wrought High-Strength A860/A860M
Ferritic Steel Butt-Welding Fittings
1.2 In case of conflict between a requirement of the individual product specification and a requirement of this general requirement
specification, the requirements of the individual product specification shall prevail over those of this specification.
1.3 By mutual agreement between the purchaser and the supplier, additional requirements may be specified (See 4.1.8). The
acceptance of any such additional requirements shall be dependent on negotiations with the supplier and must be included in the
order as agreed upon by the purchaser and supplier.
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text and the tables,
the SI units are shown in brackets. 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 specification.
The inch-pound units shall apply unless the “M” designation [SI] of the product specification is specified in the order.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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 March 1, 2020May 1, 2023. Published March 2020May 2023. Originally approved in 1996. Last previous edition approved in 20192020 as
A960/A960M – 19a.A960/A960M – 20. DOI: 10.1520/A0960_A0960M-20.10.1520/A0960_A0960M-23.
*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 ----------------------
A960/A960M − 23
2. Referenced Documents
2
2.1 ASTM Standards:
A29/A29M Specification for General Requirements for Steel Bars, Carbon and Alloy, Hot-Wrought
A234/A234M Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature
Service
A262 Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A388/A388M Practice for Ultrasonic Examination of Steel Forgings
A403/A403M Specification for Wrought Austenitic Stainless Steel Piping Fittings
A420/A420M Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Low-Temperature Service
A700 Gu
...

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5.3 Information shall be evaluated in a flexible manner consistent with the needs of the authorizing program. This requires proper characterization of the current problem. For example, compounds may be ranked relative to the environmental criteria of the prospective alternatives, the replacement compound, and within bo...
SCOPE
1.1 This guide is intended to determine the relative environmental influence of new substances, consistent with the research and development (R&D) level of effort and is intended to be applied in a logical, tiered manner that parallels both the available funding and the stage of research, development, testing, and evaluation. Specifically, conservative assumptions, relationships, and models are recommended early in the research stage, and as the technology is matured, empirical data will be developed and used. Munition constituents are included and may include propellants, oxidizers, explosives, binders, stabilizers, metals, dyes, and other compounds used in the formulation to produce a desired effect. Munition systems range from projectiles, grenades, rockets/missiles, training simulators, to smokes and obscurants. Given the complexity of issues involved in the assessment of environmental fate and effects and the diversity of the systems used, this guide is broad in scope and not intended to address every factor that may be important in an environmental context. Rather, it is intended to reduce uncertainty at minimal cost by considering the most important factors related to human health and environmental impacts of energetic materials. This guide provides an outline for collecting data useful in a relative ranking procedure to provide the systems scientist with a sound basis for prospectively determining a selection of candidates based on environmental and human health criteria. The general principles in this guide are applicable to substances other than energetics if intended to be used in a similar manner with similar exposure profiles.  
1.2 The scope of this guide includes:  
1.2.1 Energetic and other new/novel materials and compositions in all stages of research, development, test and evaluation.  
1.2.2 Environmental assessment, including:
1.2.2.1 Human and ecological effects of the unexploded energetics and ...

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ASTM
ASTM D8042-18(2023)(Test Method)
Test Method for Shrinkage Temperature of Wet Blue and Wet White

SIGNIFICANCE AND USE
5.1 This test method is designed to determine the temperature at which the Wet Blue or Wet White specimen experiences shrinkage. In this test method, shrinkage occurs as a result of hydrothermal denaturation of the collagen protein molecules which make up the fiber structure of the Wet Blue or Wet White. The shrinkage temperature of Wet Blue or Wet White is influenced by many different factors, most of which appear to affect the number and nature of crosslinking interactions between adjacent polypeptide chains of the collagen protein molecules. The value of the shrinkage temperature of Wet Blue or Wet White is commonly used as an indicator of the type of tannage or the degree of tannage, or both, of that particular Wet Blue or Wet White (especially for the more hydrothermally stable tannages such as chrome tannage).
SCOPE
1.1 This test method covers the determination of the shrinkage temperature of all types of Wet Blue and Wet White. The heating medium is water when the shrinkage temperature is at or below 98 °C. The heating medium is a glycerine-water solution when the shrinkage temperature is above 98 °C.  
1.2 The values stated in SI units are to be regarded as the standard. The values in parentheses are for information only.  
1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM D8530/D8530M-23(Guide)
Standard Guide for the Selection and Use of Waterstops

SIGNIFICANCE AND USE
4.1 This guide is intended to be used in the selection and installation of waterstops in cast-in-place concrete construction. This guide is intended to assist the building owner, owner’s representative, architect, engineer, contractor, and/or authorized inspector during the specification and installation of waterstops.  
4.2 This guide is applicable to cast-in-place concrete construction. The use of this guide may not be appropriate for installation of waterstops in other types of concrete construction, including but not limited to, pneumatically applied (that is, shotcrete) and precast concrete construction.
SCOPE
1.1 This guide covers the use of waterstops within cast-in-place concrete construction. Waterstops are generally placed within static, non-moving construction joints in concrete to close off the joint to water, which may be under significant hydrostatic pressure. They are used as part of the overall waterproofing strategy for a building or other structure. Expansion and other types of moving joints may require the use of waterstops, which can accommodate the anticipated movement of the structure and are beyond the scope of this guide.  
1.2 The values stated in either SI units or inch-pound 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 nonconformance with the standard.  
1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM E2956-23(Guide)
Standard Guide for Monitoring the Neutron Exposure of LWR Reactor Pressure Vessels

SIGNIFICANCE AND USE
4.1 Regulatory Requirements—The USA Code of Federal Regulations (10CFR Part 50, Appendix H) requires the implementation of a reactor vessel materials surveillance program for all operating LWRs. Other countries have similar regulations. The purpose of the program is to (1) monitor changes in the fracture toughness properties of ferritic materials in the reactor vessel beltline6 resulting from exposure to neutron irradiation and the thermal environment, and (2) make use of the data obtained from surveillance programs to determine the conditions under which the vessel can be operated with adequate margins of safety throughout its service life. Practice E185, derived mechanical property data, and (r, θ, z) physics-dosimetry data (derived from the calculations and reactor cavity and surveillance capsule measurements (1) using physics-dosimetry standards) can be used together with information in Guide E900 and Refs. 4, 11-18 to provide a relation between property degradation and neutron exposure, commonly called a “trend curve.” To obtain this trend curve at all points in the pressure vessel wall requires that the selected trend curve be used together with the appropriate (r, θ, z) neutron field information derived by use of this guide to accomplish the necessary interpolations and extrapolations in space and time.  
4.2 Neutron Field Characterization—The tasks required to satisfy the second part of the objective of 4.1 are complex and are summarized in Practice E853. In doing this, it is necessary to describe the neutron field at selected (r, θ, z) points within the pressure vessel wall. The description can be either time dependent or time averaged over the reactor service period of interest. This description can best be obtained by combining neutron transport calculations with plant measurements such as reactor cavity (ex-vessel) and surveillance capsule or RPV cladding (in-vessel) measurements, benchmark irradiations of dosimeter sensor materials, and knowledge of th...
SCOPE
1.1 This guide establishes the means and frequency of monitoring the neutron exposure of the LWR reactor pressure vessel throughout its operating life.  
1.2 The physics-dosimetry relationships determined from this guide may be used to estimate reactor pressure vessel damage through the application of Practice E693 and Guide E900, using fast neutron fluence (E > 1.0 MeV and E > 0.1 MeV), displacements per atom (dpa), or damage-function-correlated exposure parameters as independent exposure variables. Supporting the application of these standards are the E853, E944, E1005, and E1018 standards, identified in 2.1.  
1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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