TY - RPRT TI - Mechanical properties and fracture toughness of AAR TC128 grade B steel in the normalized, and normalized and stress relieved conditions AU - Hicho, George E AU - Harne, Donald E PY - 1991 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 4660 DO - 10.6028/NIST.IR.4660 ER -