标准简介
This part of GB/T 37400 specifies the scope of defects requiring repair welding, technical requirements for preparations before welding, technical requirements for repair welding, post?weld stress relief annealing treatment and inspection of steel castings. This part is applicable to repair welding before finish machining of carbon steel, low alloy steel and high manganese steel casting defects.英文名称：Heavy mechanical general technical specification—Part 7:Repair welding for steel castings
标准状态：现行
中标分类：机械>>加工工艺>>J31铸造
ICS分类：冶金>>钢铁产品>>77.140.80钢铁铸件
发布部门：State Admi.
发布日期：2019-08-30
实施日期：2020-03-01
出版日期：2021-06-01
页数：20页
前言
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