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Standard

Cast Shot and Grit Size Specifications for Cleaning and Peening

2023-06-27
CURRENT
J444_202306
This SAE Recommended Practice pertains to blast cleaning and shot peening and provides for standard cast shot and grit size numbers. For shot, this number corresponds with the opening of the nominal test sieve, in ten thousandths of inches1, preceded by an S. For grit, this number corresponds with the sieve designation of the nominal test sieve with the prefix G added. These sieves are in accordance with ASTM E11. The accompanying shot and grit classifications and size designations were formulated by representatives of shot and grit suppliers, equipment manufacturers, and automotive users.
Standard

Test Strip, Holder, and Gage for Shot Peening

2023-06-23
WIP
J442
This SAE Recommended Practice defines requirements for equipment and supplies to be used in measuring shot peening arc height and other surface enhancement processes. It is intended as a guide toward standard practice and is subject to change to keep pace with experience and technical advances. Guidelines for use of these items can be found in SAE J443 and SAE J2597.
Standard

Shot Peening Coverage Determination

2023-01-13
CURRENT
J2277_202301
This SAE Recommended Practice provides procedures for determining shot peening coverage and relating coverage to part exposure to the media stream. Effectiveness of shot peening is directly dependent on coverage. Inadequate or excessive coverage can be detrimental to fatigue strength and component life.
Standard

SAE Manual on Blast Cleaning

2022-09-23
CURRENT
J792_202209
Blast cleaning may be defined as a mechanical pre-treatment process in which a suitable stream of solid particles is propelled with sufficient velocity against a work surface to cause a cleaning or abrading action when it comes in contact with the workpiece. Blast cleaning may be employed for a variety of purposes. It is a well-established method for removing sand from castings and burrs or scale from forgings, mill products, or heat treated parts; to promote machinability; and to minimize the possibility of interference in actual operation. In addition to this use, blast cleaning also produces a suitable surface for downstream industrial coatings. All these objectives are often accomplished in the one operation. As a general understanding, this document pertains to blast cleaning only. Any reference to shot peening or other processes is only to explain a context or concept related to blast cleaning.
Standard

Cut Wire Shot

2022-06-27
CURRENT
J441_202206
This SAE Recommended Practice is considered to be tentative and is subject to modification to meet new developments or requirements. It is offered as a guide in the selection and use of cut wire shot.
Standard

Computer Generated Shot Peening Saturation Curves

2022-05-16
WIP
J2597
This SAE Recommended Practice defines a procedure for the use of computer generated saturation curves to determine peening intensity. Calculation of intensity within a tolerance band for each data set in Table 1 one is required for compliance with this practice.
Standard

Metallic Shot and Grit Mechanical Testing

2022-05-04
CURRENT
J445_202205
This SAE Information Report is intended to provide users and producers of metallic shot and grit2 with general information on methods of mechanically testing metal shot in the laboratory.
Standard

Test Strip, Holder, and Gage for Shot Peening

2022-05-04
CURRENT
J442_202205
This SAE Recommended Practice defines requirements for equipment and supplies to be used in measuring shot peening arc height and other surface enhancement processes. It is intended as a guide toward standard practice and is subject to change to keep pace with experience and technical advances. Guidelines for use of these items can be found in SAE J443 and SAE J2597.
Standard

Shot Peening

2021-10-17
WIP
J2441
This SAE Standard covers the engineering requirements for peening surfaces of parts by impingement of metallic shot, glass beads, or ceramic shot. To induce residual compressive stress in surface layers of parts, thereby increasing fatigue strength and resistance to stress-corrosion cracking.
Standard

Specifications for Low Carbon Cast Steel Shot

2021-07-07
CURRENT
J2175_202107
This SAE Recommended Practice describes chemical analysis, hardness, microstructure, and physical characteristic requirements for low carbon cast steel shot to be used for shot peening or blast cleaning operations.
Standard

Metallic Shot and Grit Mechanical Testing

2013-08-21
HISTORICAL
J445_201308
This SAE Information Report is intended to provide users and producers of metallic shot and grit2 with general information on methods of mechanically testing metal shot in the laboratory.
Standard

Definitions for Macrostrain and Microstrain

2011-08-04
CURRENT
J932_201108
In the analysis and measurement of residual stresses of materials, it has been noted that there are frequently differences in interpretation of the terms "macrostrain" and "microstrain." To assist communication among research personnel in this area, definitions for these two terms are suggested by the Fatigue Design and Evaluation Committee of SAE. Since "macrostress" is commonly computed from "macrostrain" in residual stress analysis, to be consistent, the definitions given are for "macrostrain" and "microstrain."
Standard

Definition for Particle Size

2011-06-01
CURRENT
J391_201106
"Effective particle or domain size" is a phrase used in X-ray diffraction literature to describe the size of the coherent regions within a material which are diffracting. Coherency in this sense means diffracting as a unit. Small particle size causes X-ray line broadening and as such can be measured. It has been shown related to substructure as observed in transmission electron microscopy. Particle size is affected by hardening, cold working, and fatigue; conversely, there is increasing evidence that particle size, per se, affects both static and dynamic strength.
Standard

Procedures for Using Standard Shot Peening Almen Strip

2010-06-16
HISTORICAL
J443_201006
This SAE Recommended Practice provides uniform procedures for using the standard shot peening Almen strips reported in SAE J442. Standard Almen strips are used to establish saturation, determine intensity, monitor repeatability of the shot peening machine operations, and can be used to predict a desired result on a part. It is recommended that the standard Almen strip A be used for intensities that produce arc heights of 0.10 mm A (0.004 in A) to 0.60 mm A (0.024 in A). For intensities below 0.10 mm A (0.004 in A), the standard N strip is recommended, and for intensities above 0.60 mm A (0.024 in A), the standard C strip is recommended. Use of SAE 2597 Computer Generated Shot Peening Saturation Curves is voluntary, existing shot peening processes that do not take advantage of computer generated saturation curves need not be changed to meet the requirements listed herein.
Standard

Cut Wire Shot

2009-11-09
HISTORICAL
J441_200911
This SAE Recommended Practice is considered to be tentative and is subject to modification to meet new developments or requirements. It is offered as a guide in the selection and use of cut wire shot.
Standard

Test Strip, Holder, and Gage for Shot Peening

2008-11-24
HISTORICAL
J442_200811
This SAE Standard defines requirements for equipment/supplies to be used in measuring shot peening intensity. Guidelines for the use of these articles (test strip, holding fixture, and gage) are also included.
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