A .370Mpa
B .400Mpa
C .420Mpa
D .445Mpa
[单选题]HPB300热轧光圆钢筋的屈服强度不小于()A .235MpaB .370MpaC .420MpaD .300Mpa
[单选题]HPB300热轧光圆钢筋的最大力总伸长率不小于()A .25.0%B .15.0%C .10.0%D .12.0%
[单选题]热轧光圆钢筋牌号HPB235的屈服强度不小于()A .335MpaB .400MpaC .235MpaD .245Mpa
[单选题]HPB235热轧光圆钢筋的断后伸长率应不小于()A .20.0%B .16.0%C .17.0%D .25.0%
[单选题]牌号为HPB235的热轧光圆钢筋断后伸长率不小于()A .23%B .25%C .27%D .16%
[单选题]钢筋HPB300的抗拉强度设计值为( )。A.270N/mm2B.300N/mm2C.360N/mm2D.435N/mm2
[单选题]钢筋HPB300的抗拉强度设计值为( )。A.270N/mm2B.300N/mm2C.360N/mm2D.435N/mm2
[单选题]钢筋HPB300的抗拉强度设计值是:()A.270N/m㎡B.300N/m㎡C.360N/m㎡D.435N/m㎡
[单选题]钢筋HPB300的抗拉强度设计值是:()A.270N/m㎡B.300N/m㎡C.360N/m㎡D.435N/m㎡
[单选题]()的抗拉强度比钢筋混凝土用热轧光圆钢筋、热轧带肋钢筋高许多。A . 冷拔低碳钢丝B . 冷拉钢丝C . 预应力钢丝D . 钢绞线