ASTM A247 Standard Test Method for Evaluating the Microstructure of Graphite in Iron Castings
ASTM A247 method covers the distribution of graphite in cast iron in terms of type, size and allocation. This test method is allowed to be only used for all iron-carbon alloys containing graphite particles and may be applied to gray irons and ductile irons.

TRUSTED BY




Precision Testing Solutions for Accurate, Reliable, and Standards-Compliant Results

Industries We Serve
Frequently Asked Questions
Why Choose Infinita Lab for Advanced Materials Testing and Characterization?
At the core of this breadth is our network of 2,000+ accredited laboratories across the USA, offering access to over 10,000 testing methods and analytical services. From advanced materials characterization (SEM, TEM, RBS, XPS) to mechanical, chemical, environmental, biological, and standardized ASTM/ISO-compliant testing, we deliver unmatched flexibility, specialization, and scale. You are never limited by geography, facility, or methodology — Infinita Lab connects you to the right expertise and testing solution, every time.
Looking for a Trusted Partner for Accurate and Reliable Testing Services?
Send query us at hello@infinitlab.com or call us at (888) 878-3090 to learn more about our services and how we can support you.

Request a Quote
Submit your material details and receive testing procedures, pricing, and turnaround time within 24 hours.
Quick Turnaround and Hasslefree process

Confidentiality Guarantee

Free, No-obligation Consultation

100% Customer Satisfaction









