SAE AMS 6421J

SAE AMS 6421J (Steel, Bars, Forgings, Mechanical Tubing and Forging Stock, 0.80Cr - 0.85Ni - 0.20Mo - 0.003B (0.35 - 0.40C) (Modified 98B37), Aircraft Quality)· SAE (Vereinigte Staaten) · 1 Materialien