ASTM A350/A350M-15

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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:A350/A350M −15
Standard Specification for
Carbon and Low-Alloy Steel Forgings, Requiring Notch
1
Toughness Testing for Piping Components
This standard is issued under the fixed designationA350/A350M; 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
3
2
2.1 ASTM Standards:
1.1 This specification covers several grades of carbon and
A788/A788M Specification for Steel Forgings, General Re-
low-alloy steel forged or ring-rolled flanges, forged fittings and
quirements
valves intended primarily for low-temperature service and
A961/A961M Specification for Common Requirements for
requiring notch toughness testing. They are made to specified
Steel Flanges, Forged Fittings, Valves, and Parts for
dimensions, or to dimensional standards, such as the ASME
Piping Applications
and API Specifications referenced in Section 2. Although this
2.2 ASME Standards:
specification covers some piping components machined from
4
B 16.5 Steel Pipe Flanges and Flanged Fittings
rolledbarandseamlesstubularmaterials(see5.3.3),itdoesnot 4
B 16.9 Factory-MadeWroughtSteelButt-WeldingFittings
cover raw material produced in these product forms.
B 16.10 Face-to-Face and End-to-End Dimensions of
4
Ferrous Valves
1.2 No limitation on size is intended beyond the ability of
B 16.11 Forged Steel Fittings, Socket-Welding and
the manufacturer to obtain the specified requirements.
4
Threaded
However, Class 3 of Grade LF787 is only available in the
4
B 16.30 Unfired Pressure Vessel Flange Dimensions
quenched-and-precipitation heat treated condition.
4
B 16.34 Valves-Flanged, Threaded, and Welding End
4
1.3 Supplementary requirements are provided for use when
B 16.47 Large Diameter Steel Flanges
additional testing or inspection is desired. These shall apply 2.3 ASME Boiler and Pressure Vessel Code:
2
only when specified by the purchaser in the order. Section IX
2.4 AWS Standards:
1.4 This specification is expressed in both inch-pound units 5
A 5.1 Mild Steel Covered Arc-Welding Electrodes
and in SI units. However, unless the order specifies the 5
A 5.5 Low-Alloy Steel Covered Arc-Welding Electrodes
6
applicable “M” specification designation (SI units), the mate-
2.5 API Standards:
rial shall be furnished to inch-pound units.
600 Steel Gate Valves with Flanged or Butt-Welding Ends
602 Compact Design Carbon Steel Gate Valves for Refinery
1.5 The values stated in either SI units or inch-pound units
Use
are to be regarded separately as standard. Within the text, the
605 Large Diameter Carbon Steel Flanges
SI units are shown in brackets. The values stated in each
system may not be exact equivalents; therefore, each system
3. Ordering Information
shall be used independently of the other. Combining values
3.1 It is the purchaser’s responsibility to specify in the
from the two systems may result in non-conformance with the
purchase order information necessary to purchase the needed
standard.
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
1
This specification is under the jurisdiction ofASTM Committee A01 on Steel, Standards volume information, refer to the standard’s Document Summary page on
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee the ASTM website.
4
A01.22 on Steel Forgings andWrought Fittings for PipingApplications and Bolting Available from American Society of Mechanical Engineers (ASME), ASME
Materials for Piping and Special Purpose Applications. International Headquarters, Two Park Ave., New York, NY 10016-5990, http://
Current edition approved May 1, 2015. Published May 2015. Originally www.asme.org.
5
approved in 1952. Last previous edition approved in 2014 as A350/A350M–14. Available from American Welding Society (AWS), 550 NW LeJeune Rd.,
DOI: 10.1520/A0350_A0350M-15. Miami, FL 33126, http://www.aws.org.
2 6
For ASME Boiler and Pressure Vessel Code applications see related Specifi- Available from American Petroleum Institute (API), 1220 L. St., NW,
cation SA-350 in Section II of that Code. Washington, DC 20005-4070, http://api-ec.api.org.
*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 ----------------------
A350/A350M−15
material. In addition to the ordering information guidelines in from hot-rolled or forged bar up throug
...