عمده فروشی astm a564 مورد استفاده در کارخانه های فرآوری شیمیایی
ASTM A564/A564M-2019 . ASTM A564/A564M-2019. : 500. : Designation: A564/A564M − 19Standard Specif i cation forHot-Rolled and Cold-Finished Age-Hardening Stainless SteelBars and Shapes 1This standard is issued under the f i xed designation A564/A564M; the number immediately following the designation indicates the yearof …