Practice for identification of standard electrical - and lamination - steel grades in astm specifications Astm规范中对标准电炉钢和层压钢级别的标识惯例
2.
Asme boiler and pressure vessel code section ii material that also meet the requirements of the listed astm specification may also be used Asme锅炉和压力容器规则节ii材料也符合astm规格说明的要求,因此也可以采用。