قیمت astm a479 با ارسال سریع
ASTM A479A479M-20 Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels. : 8 . ASTM A479A479M-17 Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessel. : 8 . ASTM A709-2021. بیشتر