فروش داغ پرطرفدار astm a276 عمده فروشی
ASTM A276 A276M-17 . Designation: A276/A276M − 17 Standard Speci f i cation for Stainless Steel Bars and Shapes This standard is issued under the fi xed designation A276/A276M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision.