Surface Texture, Roughness (Ra), Peak Count(Pc), and Mean Profile Spacing, (Rsm) Measurement of Metallic Coated and Uncoated Steel Sheet/Strip to be Formed and/or to be Painted

Standard:
Revised:
  • 2017-04-03
 
  • CURRENT
Publisher:
  • SAE International
Pages:
11
Scope:

This SAE Recommended Practice describes a method for measuring Roughness Average (Ra) and Peak Count (PC) and other variables of the surface of metallic coated and uncoated steel sheet/strip.

Rationale:

The industry needs to update the spec to reflect use of zinc and aluminized coated steels. New non contact methods of measurement are also being used which are now applicable to the measurement methods employed. A number of new parameters that are being investigated to further quantify surface texture and the impact on steel perfromance in the auto industry may also need to be added to this document.

History:
Standard Published Revision Status
J911_201704 2017-04-03 Latest Revised
1998-03-01 Historical Revised
1986-06-01 Historical Reaffirmed
1981-10-01 Historical Revised
1965-06-01 Historical Issued
AKA:
  • SAE J 911
Sector:
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