40crnimoaA
ϼܕrg
2017-06-29

40CrNiMoAA䓣40CrNiMoAϽY䓣40CrNiMoA䓲ģϽY䓺QϽY䓣40CrNiMoAǺϽY䓵һNҲQϽ䓣ڃ|̼ؽY䓵ĻAϣmɫ͵͵ɫ͵͵Դվ_ɫ_һվmp4ؼһN򔵷NϽԪأ^5%Ƴɫ͵͵ɫ͵͵Դվ_ɫ_һվmp4䓷N

(2)

̼ C 0.370.44

Si0.170.37i Mn0.503.82

S Sຬ0.025

P Sɫ͵͵ɫ͵͵Դվ_ɫ_һվmp4ຬ0.025

t Cr0.600.90

Ni1.258.98

~ CuSຬ0.25

f Mo0.152.75

W

ܶkg/m3s7830

ɫ͵͵ɫ͵͵Դվ_ɫ_һվmp4ģGPa209

b (MPa)980(100)

ɫ͵͵ɫ͵͵Դվ_ɫ_һվmp4s (MPa)835(85)

L5 (%)12

տs (%)58

(3)

_ Akv (J)78

_ɫ͵͵ɫ͵͵Դվ_ɫ_һվmp4gֵkv (J/cm²)67(37)

ԇӳߴ磺ԇëɫ͵͵ɫ͵͵Դվ_ɫ_һվmp4ߴ90mm

̎ɫ͵͵ɫ͵͵Դվ_ɫ_һվmp4850ȣsͣػض600ȣsˮͣ

䓲˻ߜػػɫ͵͵ɫ͵͵Դվ_ɫ_һվmp4BӲHBW269