موجود است astm a564 با تکنولوژی تولید عالی
ASTM A564/A564M-19a September 1, 2019 Standard Specification for Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes 1.1 This specification2 covers … 3600 ASTM -- . :. 3600 ASTM . :. astm .