GB/T 45684-2025 Active National standards

GB/T 45684-2025 Grey cast irons—Classification

GB/T 45684-2025 Grey cast irons—Classification

Publish Date: 2025-05-30 Implement Date: 2025-12-01 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 45684-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Casting

ICS Name: Iron and steel castings

Publish Date: 2025-05-30

Implement Date: 2025-12-01

Pages: 32 pages

Scope

This document specifies the grades, ordering requirements, manufacturing, technical requirements, sample preparation, inspection methods, and reinspection of gray cast iron.
This document applies to non-alloy and low-alloy gray cast iron cast in sand molds or molds with thermal conductivity comparable to sand molds. It does not apply to gray cast iron for pipes, pipe fittings, and continuous casting products. This document does not include the technical delivery conditions for gray cast iron parts.

Development Information

Word Count: 48 Thousand words Pages: 32 pages

Referenced Standards

GB/T 228.1-2010 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.1-2021 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 231.1-2002 Metallic materials—Brinell hardness test—Part 1:Test method GB/T 231.1-2009 Metallic materials—Brinell hardness test—Part 1:Test method GB/T 231.1-2018 Metallic materials—Brinell hardness test—Part 1:Test method GB/T 5612-1985 Code for representing cast iron GB/T 5612-2008 Code for representing cast iron GB/T 5612-2025 Designation of cast irons GB/T 7216-1987 Gray cast iron metallography GB/T 7216-2009 Metallographic test for gray cast iron GB/T 7216-2023 Metallographic test for grey cast iron

Adopt standards

ISO 185:2020

Related Standards

GB/T 3180-1982 Abolished

GB/T 3180-1982 Specification for medium manganese wear-resistant spheroidal iron castings

Publish Date: 1982-09-01

GB/T 4308-1984 abolished_transferred

GB/T 4308-1984 Cermet hot extrusion die blank

Publish Date: 1984-03-27

GB/T 5615-1985 Abolished

GB/T 5615-1985 The designations, definitions and symbols for heat treatment tempers of steel castings

Publish Date: 1985-11-25

GB/T 6967-1986 Replaced

GB/T 6967-1986 Medium and high strength stainless steel castings for engineering structure purposes

Publish Date: 1986-11-01

GB/T 7659-1987 Replaced

GB/T 7659-1987 Carbon steel castings suitable for welded structure

Publish Date: 1987-04-17

GB/T 8491-1987 Replaced

GB/T 8491-1987 Corrosion resistant high silicon iron castings

Publish Date: 1987-12-28