Designation: A312/A312M − 25Used in USDOE-NE standardsStandard Specification forSeamless, Welded, and Heavily Cold W...
Designation: A312/A312M − 24aUsed in USDOE-NE standardsStandard Specification forSeamless, Welded, and Heavily Cold ...
Обозначение: A312/A312M – 19Стандартные технические условия на бесшовны...

