40crnimoaA
ϼܕrg
2017-06-29

40CrNiMoAA䓣40CrNiMoAϽY䓣40CrNiMoA䓲ģϽY䓺QϽY䓣40CrNiMoAǺϽY䓵һNҲQϽ䓣ڃ|̼ؽY䓵ĻAϣmҹҹɫҹҹӰԺؼһN򔵷NϽԪأ^5%ƳҹҹɫҹҹӰԺ䓷N

(2)

̼ C 0.370.44

Si0.170.37i Mn0.503.82

S Sຬ0.025

P SҹҹɫҹҹӰԺຬ0.025

t Cr0.600.90

Ni1.258.98

~ CuSຬ0.25

f Mo0.152.75

W

ܶkg/m3s7830

ҹҹɫҹҹӰԺģGPa209

b (MPa)980(100)

ҹҹɫҹҹӰԺs (MPa)835(85)

L5 (%)12

տs (%)58

(3)

_ Akv (J)78

_ҹҹɫҹҹӰԺgֵkv (J/cm²)67(37)

ԇӳߴ磺ԇëҹҹɫҹҹӰԺߴ90mm

̎ҹҹɫҹҹӰԺ850ȣsͣػض600ȣsˮͣ

䓲˻ߜػػҹҹɫҹҹӰԺBӲHBW269