超高强高韧化钢的研究进展和展望
罗海文,沈国慧

Progress and Perspective of Ultra-High Strength Steels Having High Toughness
Haiwen LUO,Guohui SHEN
表7 典型超高强装甲钢的化学成分及性能[91,92,93]
Table 7 Compositions and properties of typical ultra-high strength armor steels[91,92,93]

Steel

Composition (mass fraction / %)

YS

MPa

UTS

MPa

EL

%

Hardness

HB

Ak (20 ℃)

J

Ref.

CMnSiCrNiMoOtherFe
Armox 440T0.211.20.51.02.50.70.005BBal.1100150010420~48045 (-40 ℃)[91]
Armox 500T0.321.20.271.01.80.70.005BBal.125016008480~54032 (-40 ℃)[91]
Armox 600T0.471.00.41.53.00.70.003BBal.-20007570~64012 (-40 ℃)[91]
MIL-A461000.280.90.530.30.190.240.03Ti+0.18CuBal.1050175012480~54025 (-40 ℃)[92]
UHT 4400.251.40.61.20.50.350.002BBal.1150145014420~48016 (-40 ℃)[93]
HHA 5000.320.80.51.20.50.30.002BBal.1350164014477~53416 (-40 ℃)[93]