J444_201006 Cast Shot and Grit Size Specifications for Peening and Cleaning

Revised

06/16/2010

Features
Issuing Committee
Scope
Content
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 E 11.
The accompanying shot and grit classifications and size designations were formulated by representatives of shot and grit suppliers, equipment manufacturers, and automotive users.
Rationale
Content
Due to NADCAP audit findings on the all pass sieves in Figure 1 and 2 the group is requesting the Figure 1 and 2 all pass changed to 0% and the following be added to the reference section. ASTM E 29 Using Significant Digits in Test Data to Determine Conformance with Specification. Along with the following statement as recommend in E-29. The following applies to all specified limits in this standard: For purposes of determining conformance with these specifications, an observed value or a calculated value shall be rounded “to the nearest unit” in the last right-hand digit used in expressing the specification limit, in accordance with the rounding method of ASTM Practice E 29.
This document has been reaffirmed to comply with the SAE 5-Year Review policy.
Meta TagsDetails
DOI
https://doi.org/10.4271/J444_201006
Pages
4
Citation
SAE International Recommended Practice, Cast Shot and Grit Size Specifications for Peening and Cleaning, SAE Standard J444_201006, Revised June 2010, Issued January 1946, https://doi.org/10.4271/J444_201006.
Additional Details
Publisher
Published
Jun 16, 2010
Product Code
J444_201006
Content Type
Recommended Practice
Status
Revised
Language
English