Standard No.:	GB/T 38222-2019
English Name:	Metallographic examination method of medium and high strength stainless steel castings for general engineering applications
Chinese Name:	工程结构用中、高强度不锈钢铸件金相检验
Chinese Classification:	J31    Casting
Professional Classification:	GB    National Standard
ICS Classification:	77.040.20 77.040.20    Non-destructive testing of metals 77.040.20
Issued on:	2019-10-18
Implemented on:	2020-5-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	8500 words
Translation Price(USD):	250.0
Delivery:	via email in 1~3 business day

本标准规定了工程结构用中、高强度不锈钢铸件金相检验试样的选取与制备、金相组织、马氏体级别、δ铁素体含量、非金属夹杂物级别的评定方法和检验报告。
本标准适用于Cr-Ni-Mo系列工程结构用中、高强度不锈钢铸件的金相组织检验，其他牌号的中、高强度不锈钢铸件可参照执行。