GB/T 7216-2023 Active National standards

GB/T 7216-2023 Metallographic test for grey cast iron

GB/T 7216-2023 Metallographic test for grey cast iron

Publish Date: 2023-05-23 Implement Date: 2023-05-23 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 7216-2023

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Casting

ICS Name: Iron

Publish Date: 2023-05-23

Implement Date: 2023-05-23

Pages: 31 pages

Scope

This document specifies the preparation of samples for metallographic examination of gray cast iron, the inspection items and rating charts, the presentation of results, and the test report. This document is applicable to the evaluation of the microstructure of gray cast iron.

Development Information

Word Count: 62 Thousand words Pages: 31 pages

Replace the following standards

GB/T 7216-2009 Metallographic test for gray cast iron

Referenced Standards

GB/T 5611-1998 Foundry terminology GB/T 5611-2017 Foundry terminology GB/T 13298-1991 Metal—Inspection method of microstructure GB/T 13298-2015 Inspection methods of microstructure for metals

Adopt standards

ISO 945-1:2019

Related Standards

GB/T 719-1984 Replaced

GB/T 719-1984 Pig iron—Sampling for chemical analysis

Publish Date: 1984-03-24

GB/T 1412-1985 Replaced

GB/T 1412-1985 Pig iron used for spheroidal graphite cast iron

Publish Date: 1985-04-17

GB/T 5612-1985 Replaced

GB/T 5612-1985 Code for representing cast iron

Publish Date: 1985-11-25

GB/T 6983-1986 Replaced

GB/T 6983-1986 Technical requirements for magnetic iron bars

Publish Date: 1986-11-13

GB/T 6984-1986 Replaced

GB/T 6984-1986 Technical requirements for magnetic iron hot-rolled plates

Publish Date: 1986-11-13

GB/T 6985-1986 Replaced

GB/T 6985-1986 Magnetic iron cold-rolled sheets

Publish Date: 1986-11-13