TEMPER BRITTLENESS OF FORGED STEEL 30KH2N2SMK5

被引:0
|
作者
NIKITIN, PN
MURAVEVA, EM
RUDNEV, NF
ELYUTINA, GI
机构
[1] ALL UNION ELECTROMECH RES INST,MOSCOW,USSR
[2] IP BARDIN CENT FERROUS MET RES INST,MOSCOW,USSR
关键词
D O I
10.1007/BF00664313
中图分类号
TF [冶金工业];
学科分类号
0806 ;
摘要
The susceptibility to temper brittleness of steel 30Kh2N2SMK5 (EP822) was determined by means of primary and secondary tempering and from the shift of the ductile-brittle transition temperature. It was found that forgings 315 mm in diameter are susceptible to reversible temper brittleness. The difference between the ductile-brittle transition temperature after quenching plus tempering and after maximum embrittlement is around 200 degree . The maximum embrittlement temperature is 500-525 degree for steel 30Kh2N2SMK5, and the range of reversible temper brittleness is 400-610 degree .
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页码:666 / 668
页数:3
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