فروش کارخانه astm a479 مورد استفاده در ساختمان
ASTM A479/A479M-2018. ASTM A479/A479M-2018. : 450. : Designation: A479/A479M − 18 Used in USDOE-NE StandardsStandard Specif i cation forStainless Steel Bars and Shapes for Use in Boilers andOther Pressure Vessels 1This standard is issued under the f i xed designation A479/A479M; the number immediately following the …