SAE USCAR-32-2020 PDF

Full title and description

SAE / USCAR-32-1 (commonly referenced as SAE USCAR-32-2020) — "New Finish Development Document." This USCAR/SAE specification provides the required variables, reporting format, and guidance for initial investigations into new or revised surface finishes intended for use on fasteners and related automotive hardware. The document defines what shall be reported in a final investigation report used to determine whether further testing and OEM-specific evaluation are justified.

Abstract

This specification establishes the data elements, test variables, and reporting requirements for a controlled, repeatable initial evaluation of candidate surface finishes for automotive fasteners and similar components. It is intended to produce a consistent final report describing methods, observations, results and conclusions so OEMs and suppliers can decide whether to proceed to additional qualification testing or adoption.

General information

• Status: Stabilized / Active (stabilized issuance in 2020).
• Publication date: November 19, 2020 (USCAR-32-1 issued Nov 19, 2020 — often cited as the 2020 release).
• Publisher: SAE International (USCAR specification published through SAE mobilus).
• ICS / categories: Surface finishing / coatings / corrosion protection / fastener finishing (finishing, coatings and corrosion categories as indexed by the SAE listing).
• Edition / version: USCAR32-1, Stabilized edition issued November 2020 (commonly referenced as USCAR-32-1:2020).
• Number of pages: 13 pages (PDF specification length as published).

Scope

The scope covers the initial, structured investigation into candidate or revised surface finishes for fasteners and similar components used in automotive assembly. It specifies the variables to be investigated, the format and minimum content of the final report (including laboratory identification, test dates, and approver), and identifies that further OEM-specific tests may be required before approval or introduction. The specification is intended to standardize initial evaluation so results are comparable across laboratories and suppliers.

Key topics and requirements

• Definition of required variables to be investigated for new or revised finishes (materials, process parameters, and test conditions).
• Required content and structure of the final investigation report (results, observations, conclusions, laboratory, dates, and approver).
• Guidance that additional OEM-specific testing/evaluations may be needed prior to approval or introduction.
• Emphasis on reproducibility and documentation to support supply chain qualification decisions for coatings and corrosion protection on fasteners.

Typical use and users

OEM engineering teams, fastener and hardware suppliers, coatings formulators, testing laboratories, and quality/qualification engineers use this specification to perform and document initial assessments of new plating, conversion coatings, passivations, or other surface treatments intended for threaded and assembled hardware in automotive applications. It helps suppliers and OEMs communicate consistent evaluation results and determine if further DV/PV testing is warranted.

Related standards

Related USCAR/SAE standards and documents address fastener torque-tension evaluation, specific test methods for finishes, and other USCAR hardware requirements. Examples published alongside or in the same USCAR collection include USCAR-11-2 (Torque-Tension testing and evaluation of fastener finishes), USCAR-10-3 (tests for torque-tension relationships), and other USCAR hardware requirement documents; these are commonly referenced together when qualifying fastener finishes.

Keywords

USCAR-32, USCAR32-1, SAE USCAR-32-2020, finish development, surface finish, coatings, plating, conversion coating, fastener finishes, corrosion protection, qualification report, automotive hardware.

FAQ

Q: What is this standard?

A: SAE / USCAR-32-1 (issued November 19, 2020) is a USCAR specification titled "New Finish Development Document" that standardizes the initial evaluation and reporting requirements for new or revised surface finishes intended for fasteners and similar components.

Q: What does it cover?

A: It specifies which variables should be investigated in an initial finish assessment, how test results and observations should be reported, and the minimum contents of the final report (including laboratory identification, dates, and approver). It also states that further OEM-specific testing may be required before adoption.

Q: Who typically uses it?

A: OEMs, fastener and coating suppliers, independent testing laboratories, and qualification/quality engineers who evaluate or qualify surface finishes for automotive assembly.

Q: Is it current or superseded?

A: The document is listed as a stabilized USCAR specification issued in 2020 (USCAR32-1, Stabilized November 19, 2020). There is no widely published superseding revision identified in the SAE/USCAR listings as of the 2020 issuance; users should check SAE mobilus or USCAR resource pages for any later revisions before relying on the document for certification work.

Q: Is it part of a series?

A: Yes — it appears as USCAR32-1 indicating the specification is part of a USCAR/SAE numbered series (USCAR-32 family). Companion USCAR documents addressing fastener testing and finish evaluation practices are commonly used together.

Q: What are the key keywords?

A: Finish development, surface finish, fasteners, coatings, plating, conversion coating, corrosion protection, qualification report, USCAR-32, SAE.