AMS 2438B-2002 宇航材料规范 镀铬 薄、硬质、致密镀层.pdf

AMS2438B 1987.1 2002.10 AMS2438A R 1 11 12 / 13 2 SAE SAE AMS AMS 2438B SAE AMS2438B 21 SAE SAE400Commonwealth Drive, Warrendale,PA15096-001 AMS 2759/9 AMS 6330 0.65Cr-1.25Ni(0.33-0.38C) 22 ASTM 100 Barr Harbor DriveWest Conshohocken PA 19428-2959 ASTM B117 ASTM B253 ASTM B487 ASTM B499 ASTM B504 ASTM B568 X ASTM B571 ASTM B748 ASTM D2625 Falex ASTM E92 ASTM F519 23 US DODSSP Subscription Services Desk Building4D 700Robbins Avenue PhiladelphiaPA 19111-5094 FED-STD-141 24 ANSI ANSI11 West 42nd StreetNew YorkNY10036-8002 ANSI B46.1 2 AMS 2438B SAE AMS2438B 3 31 311 ANSI B 46.1 16µin.(0.40µm)RHR 312 40HRC 55HRC 275135 5 375191 4 313 32 321 0.00005in.(1µm)