TY - GEN AU - Michaelis, R E AU - Yakowitz, H AU - Hicho, G E C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1971-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.SP.260-25 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1971 TI - Standard Reference Materials:A standard reference material containing nominally four percent austenite ER -