TY - RPRT TI - Mechanical properties and fracture toughness of AAR TC128 grade B steel and micro-alloyed, control-rolled steel, A 8XX grade B, from -80[degrees] F to + 73[degrees] F AU - Hicho, G E AU - Smith, J H PY - 1990 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 90-4289 DO - 10.6028/NIST.IR.90-4289 ER -