40crnimoaA
ϼܕrg
2017-06-29

40CrNiMoAA䓣40CrNiMoAϽY䓣40CrNiMoA䓲ģϽY䓺QϽY䓣40CrNiMoAǺϽY䓵һNҲQϽ䓣ڃ|̼ؽY䓵ĻAϣmɫɫ΢С˵_ж_Ұ99ߣؼһN򔵷NϽԪأ^5%Ƴɫɫ΢С˵_ж_Ұ99ߣ䓷N

(2)

̼ C 0.370.44

Si0.170.37i Mn0.503.82

S Sຬ0.025

P Sɫɫ΢С˵_ж_Ұ99ߣຬ0.025

t Cr0.600.90

Ni1.258.98

~ CuSຬ0.25

f Mo0.152.75

W

ܶkg/m3s7830

ɫɫ΢С˵_ж_Ұ99ߣģGPa209

b (MPa)980(100)

ɫɫ΢С˵_ж_Ұ99ߣs (MPa)835(85)

L5 (%)12

տs (%)58

(3)

_ Akv (J)78

_ɫɫ΢С˵_ж_Ұ99ߣgֵkv (J/cm²)67(37)

ԇӳߴ磺ԇëɫɫ΢С˵_ж_Ұ99ߣߴ90mm

̎ɫɫ΢С˵_ж_Ұ99ߣ850ȣsͣػض600ȣsˮͣ

䓲˻ߜػػɫɫ΢С˵_ж_Ұ99ߣBӲHBW269