GB/T 7659-2025焊接结构用铸钢件.pdf

ICS77.140.80

CCSJ31

中华人民共和国国家标准

GB/T7659—2025

代替GB/T7659—2010

焊接结构用铸钢件

Steelcastingsforweldingstructures

2025⁃06⁃30发布2026⁃01⁃01实施

国家市场监督管理总局

发布

国家标准化管理委员会

GB/T7659—2025

目次

前言··························································································································Ⅲ

1范围·······················································································································1

2规范性引用文件········································································································1

3术语和定义··············································································································2

4牌号·······················································································································2

5制造·······················································································································2

6技术要求·················································································································2

7试验方法·················································································································4

8检验规则·················································································································5

9标识、质量证明书、包装、运输和贮存··············································································7

附录A（规范性）碳当量的规定·······················································································9

图1单铸试块类型图··········