فروش محبوب astm a479 سفارشی سازی نمونه
A479/A479M Standard Specification for Stainless Steel Bars and … These standards are under the jurisdiction of ASTM Subcommittee B02.07 and may be found in Annual Book of ASTM Standards, Vol 02.04. 1.2 The values stated in either inch-pound units or SI (metric) units are to be …