ASTM G77
Standard Test Method for Ranking Resistance of Materials to Sliding Wear Using Block-on-Ring Wear Test
Available Formats:
- Availability: Immediate Download
- Language: English
- License Type: Single User
- Updates: Not Included
- Availability: Request Quote
- Language: English
- License Type: Enterprise / Multi User
- Updates: Included
About This Item
ASTM G77 is a technical test standard for ranking a material’s resistance to sliding wear using a block-on-ring wear test. It helps users compare how different materials perform under controlled sliding contact, making it useful for material selection, product evaluation, and quality decisions. As an ASTM standard, it provides a consistent framework for generating wear ranking data that can support engineering reviews and procurement specifications.
Purpose of ASTM G77
The purpose of ASTM G77 is to define a repeatable method for evaluating sliding wear resistance in a block-on-ring setup. This type of test is commonly used to compare materials rather than to predict every real-world wear condition. By focusing on ranking performance, the standard supports consistent assessment across candidate materials and test runs. ASTM G77 gives laboratories and engineering teams a shared basis for comparing wear behavior under similar test conditions.
Common use cases of ASTM G77
ASTM G77 is commonly used when engineers need to compare materials for components exposed to sliding contact and wear. It may be applied in development, screening, and verification workflows where wear performance is an important selection factor. The block-on-ring wear test format is also useful in laboratory testing programs and quality control environments where repeatable comparison data is needed. ASTM G77 can help support decisions before a material is approved for a specific application.
Why ASTM G77 matters
ASTM G77 matters because sliding wear can affect component life, maintenance needs, and overall product reliability. A standardized ranking method helps reduce uncertainty when comparing materials and improves consistency in test reporting. It also supports procurement and compliance activities by giving buyers and suppliers a recognized technical reference. Using ASTM G77 can help organizations evaluate wear performance more confidently and reduce the risk of choosing a material with inadequate resistance.
- Block-on-ring sliding wear evaluation
- Material ranking by wear resistance
- Controlled comparison of test specimens
- Support for lab testing and QA reviews
- Useful for selection and verification decisions
- Publication Date: 2022-11-07
- Publisher: ASTM
Need This Standard?
Request a personalized quote today to receive the latest edition in PDF or other available formats.
Need This Standard?
Request a personalized quote today to receive the latest edition in PDF or other available formats.
Summarize with AI
Get quick summaries using your favorite AI engine.
Online Standart Disclaimer
OnlineStandart.com is an authorized reseller of international standards, operating through partnerships with authorized distributors. We do not own the copyrights or trademarks of the standards we sell, including but not limited to those of API, ASHRAE, BSI, SAE, ASTM, IEEE, IEC, ASME, ISO, and others.
All product names, logos, and brands are the property of their respective owners and are used for identification purposes only; their use does not imply endorsement. OnlineStandart.com is not affiliated with or endorsed by any standards development organization unless explicitly stated. The content of this document is for informational purposes only and is intended to promote our licensed reselling services.
Online Standart does not host, distribute, or link to free, unlicensed, or uncertified copies of copyrighted standards. Every document we deliver is a licensed copy obtained through authorized channels and supplied with full licensing documentation. The “Free PDF Download” option on our product pages refers to this free informational document — never to a free copy of any standard.