黑料正能量

1. ?? ?? ??????? ??????? ??????? ?????? ???? ???? ????????

GB / T3098.1 ~ 2010 ????? ??????? ???? 8.8 ~ 10.9 ????????? ?? ?????? ???? ????? ????? ?????? ??? ???????? ???????? ??? ????? ??????? ???? ?????? ?????? ????? ?? ??????? ?????????? ?? 0.035% ??? 0.025%? ????? ????? ??? '????? ????? ?? ??????? ???????? (??? ??????? ?? ???????? ?? ??????)'. ???? ?????? ?? ??????? ?????? '????? ??????? ????? ???????'. ????? ?? ??? ??? ??????? ???? ?????? '??????' ????? ???? ???? ??????? ??????????? ??????? ?? ???? ???? ?????? ?? ????? ??????? ????????? ???? ?????? ????? ??????? ???? ??? ????? ??????? ???? ???? ??????? ?? ?????? ??? ???? ??? ?? ???? ???? ???? ?????? ???????.

???? ???? ??? ??? ??????? 45 #? 40Cr? ???? ????? ?? ??????? ????? ???? ???? ???? ?? ?????. ??? ??? ??????? ????? S? P ?????? ?? 0.025? ??? 0.035?? ????? ????? ???? ?????? ?????? ??????? ???????? ?????????? Se? ????? ???? ??????? ?????? ?? ??????? P? S? ???? ?????? ????? ????? ?? ???? ???????? ??????? ?????? ????? ?????? ?????? 2 ~ 3? ????? ???????? ????????? ????????? ?????? ?????? ?? ?????? ???? ??????. ?????. ????? ??????? ?????? ???? ?????? ?? ????? ??????? ????? ?? ????????. ???? ???? ??????? ?? ??? ???? ?? ????? ????? ???????? ????? ??? ?????? ??? ????? ??????? ???????? ??? ???????? ???? ???? ???? ???? ?? ?? ?????? ??? ??????? ????? ???????? ???????? ??? ?????? ?? ???? ??????. ??????? ???????? ??????? ???? ?????? ???? ??????? ?? ???? ??????? ??????? 45 #? 40Cr.

2.?? ????? ??????? ???? ????? 20MnTiB? ML20MnTiB ?? ????? ??????? 10.9 ????? ????? ?????? ???? ?? ?? ??? ?????? ?????? ??????????? ??? ?????? ????? ????????

??????? ?? ???????? ?? ???? ??? ?? ?????????? ????? ??????? ?? ???? ????? ??????? ???????? ??????? ????? ?????? ?????????? ???????? ??? ????????. ?? ????? ??????? ???????? ??? ??? ???? ?? ????????? ??????? ???? ?????? ???????? ?????? (????? ??????)? ?????? ?????? ??? ???? ???????? ????? ????? ?? ???????? ?????? (????? ??????). ??? ????? ?????? ??????????? ???????? ??????? ?? ???? ???? ?????? ????????? ?????? ??????? ????? ???? ?????? ?????? ??????? 20MnTiB ?ML20MnTiB ??? ?? 0.20%? ??? ?? ?? ???? ?? ???? ????????? ???????? ??????? ??? ????? ??? ?????? ????? 20MnTiB ≥ 1040MPa? ???????? ????? 32-39HRC? ?? ???? ????? ???? ????? ???????? ??? ??????? ???? ????? ????? ??????? 425 ???? ????? ??? ?????? ??????? ??????? ?????? ?? ???? ????? ??????? ?????? ???? ?????? ?? ???? ????? ??????? ?? ???????. ?? ???? ?????? ???????? ???? ???? ?????? ??????????? ??????? ???????? ???????? ?? ????? ??? ??? ????? ???????? ???????? ???????? ???????? ?????? ?? ???? ??? ?? ???? ??? ????? ??? ?? ??????? ?????????.

??? ?? ????? ??????? 20MnTiB ?ML20MnTiB ????? ?? ?? ????? ??????? ?????? ?? 0.22% ??? 0.24% ?? ????? ?? ??? ????? ??????? ???????? ??? ??????? ≥ 45 ~ 47HRC? ?? ??? ????? ??? ???? ?????? ????????? ?? ??? ????? ???? ?????? ????? ????? ??????? ??????? 425 ???? ????? ?? ????????? ????????.

3.?????? ??? ?????? ??????? ???????? 1/4-20 × 1/2? ??????: SCM435? ?????? ??????????? 12.9 ????? ??? ??????? ??????? 20 ????? ???? ??? ???????? ???????? ?? 17 ~ 18 ????? ??? ???? ?? ?? ??????

??? ??????? ???? ??????. ????? ??????? ????? SCM435 ???? ???? ??????? ?? ???? ?? ??? ???????? SCM435 ????? ????? ??????? ????? ?? ??? ???? ?????? ???? ?????? ?? ??????? 42CrMoA? SCM440 ???????? ?? ?? ??? ??????? ???? ???. ???? ?????? ??? ?? ????? ???? ????? ??????? ??? ???? ??????? ??????? ????? ??????? ???????? ?????? ???? ??????? ?? ???????? ??????? ???? ????? ???????? ???? ??? ??? ????? ?????? ???????? ??????? ??? ??????? ?????. ???????? ??? ???? ????? ???????? ???????? ???? ?? ???? ????????? ???????.

4.?? ??????? ??????? ????? ??????????? 30Cr13 ?? ?????? ??????? 3Cr13 ???????? ?? ????? ??????? ?????? ?????? ??? 0.75 ??? ??????? ??????? 39 ~ 43HRC? ????? ?????? ??????? ?????? ???? ????? ?????? ???? ?? 10 ????. ???? ??????? ??????? ?? ???? ??????? ?????? ???? ???? ???? ??????? ???? ????? 30% ???. ??? ???? ??? ????? ??????? ??? ???? ???? ????? ???????

???? ????? ??? ????? ?? ???????? ???? ????? ?? ???????? ???????? ??? ?? ??? ???????? ?? ?????? ????? ???? ??? ?????. ???? ??????? ????? ??????? ≥ 0.32% ??? 0.35% ?? ???????? ???? ?????? ?? ??? ??????? ??? ???????? ??? ???????? ????? ????? ?? ????? ??????? ??? ????????? ??? ??? ?????????? ????? ?????????? ???? ???????? ??????? ?? ???? ?? 1.5 ????? (??? ?? ??? ?????? ????? ???????). ??? ???? ??????? ??? ?????? ???? ?? ????? ????? ????? ????? ????? ????? ?????? ??? 300 ??? 310 ???? ?????? ?? ??????? ??????. ???? ?? ?????.

5. ?? ?? ???? ??????? ??????? ????? ?????????? ????????? ?? ?????? ???? ??????? ??????? ????? ????????? ?? ?????????

????? ??????? ??????? ????? ?????????? ??????? ???? ???? ??????? ??????? ?????? ?????? ?????? ?? ?????? ?? ???????? ????? ???? ?????? ?????? ??????? ??????? ?????? ?? ?????? ????????. ?? ????? ?????? ?????? ?? ??????? ??? ???? ???? ????? ?????? ??????????? ????? ???? ????? ????? ?????????? ?? ????? ??????? ??? ??????. ????? ??????? ?????????? ??????? ???? ???? ?????? ????? ????? ??? ????? ??????? ????????? ????? ?? ?????? ?????? ?? ??????.

12Cr18Ni9 (SUS302) ???? ?????? 1Cr18Ni9. ????? ??????? ?????? 18-8 ?? ??????? ??????? ????? CrNi? ?????? ?????? ???? ?? ??? ????? ?? ??????? 12Cr17Ni7 (SUS301)? ?? ????? ??? ???? ???? ???? ?????? ??? ????? ??? ????????? ???? ???? ??? 12Cr17Ni7? ????????? ?? ??????? ???????? ?????? ??????? ?????? ????? ????? ??? ?????? ??????? ?????? ?????? ??? ?????.

Y12Cr18Ni9 (SUS303) ???? ?????? Y1Cr18Ni9. ??????? ??????? ????? ?????????? 18-8 ??? ???? ????? ???? S ?????? ???? ?????? ???? ????? ????? Mo ?Zr? ??? ?????? ??????? ????? ???????? ???? ??? ?????? ????????.

022Cr19Ni10 (SUS304L) ???? ?????? 00Cr19Ni10. ???????? ??? ??? ??? ??????? ??? ??????? ?????? ?06Cr19Ni10 (SUS304) ?? ?????? ??????? ???? ????? ?????? ??? ?????? ??????? ??? ???? ?????? ??????? ?????.

6.??????? ????????? ?????? ???????? ?? ????? ?????? ?????? ?????? ???????? ?????? ??????. ?? ????? ??????? ???????? ???? ?? ??? ????? ??? ????? ?????? ??? ????? ????? ???????? ????? ?????? ?????????? ????? ???? ???????. ?? ??? ????? ??? ????? ??????? ???????? ????? ?????? ?? ?? ??? ??????? ??????? ????? ???????? ?? ????? ?????? ???????

????????? ????? ??????? ??????? ????? ??????? ????????? ???????? ????? ???? ??????? ??????? ??????? ????????? ????? ?? ????? ?????????? ?? ???????????? ????? ?????? ?? ???? ?????? ???? ?????? ???? ??????? ??????? ????? ????? (?????). ????? ??? ????? ?? ??????? ??????? ????? ?????? ??? ??? ????? ????? ????? ???? ?????? ?? ????? ???????? ?????? ???????? ????? ?? ????? ???????? ???????? ???????? ?????? ?????? ??????? ???????? ??? ?? ????? ???????? ??? ?????? ?????? ???. ???? ????? ??????? ??????? ??? ???????? ???????? ???????? ?? ????? ????? ?????? ?? ????? ??? ?????????? ???????? ??? ???????? ????? ????? ????? ??????? ???? ????? ?? ???????? ?? ???? ????? ??????? ?????? ??????????? ??????? ????????.

05Cr17Ni4Cu4Nb (SUS630) ???? ?????? 0Cr17Ni4Cu4Nb? ??????? ??????? ????? ??????? ???? ????? ???? ??? ????? ?? ??????? ??????? ????? ??????????? ??????? ?????? ?? ??????? ??????? ????? ??????????? ???? ??? ???? ??? 315 ???? ????? ?? ???? ????? ???? ????? ??????? ??????? ?????? ??? ?? ??????? ????? ???????? ????? ????? ????? ?????? ???? ?????? ?? ????? ???????. 07Cr17Ni7Al (SUS631) ???? ?????? 0Cr17Ni7Al? ???????? ???? ??????? ?? ????? ??????? ???????? ?? ???? ????? ???? ????? ??????? ??????? ???? ???? ?????? ?????? ??????? ?????? ????????? ???????? ?????? ??????? ?????? ??????? ??????? ??????? ??????? ???????? ????? ????? ????????? ??????. 07Cr15Ni7Mo2Al (SUS632) ???? ?????? 0Cr15N-i7Mo2Al? ?? 07Cr17Ni7Al (SUS631) ????? ??? ????? ????? ????? ??????? ?? ???????????? ????? ?????? ??? ???????? ???????? ?????? ??? ??? ????.

06Cr15Ni25Ti2MoAlVB (SUS660) ???? ?????? 0Cr15Ni25Ti2-MoAlVB. ????? ?????? ???????? ????? ????? ?? ??? ????? ???? ????? ??????? ???? ?????? ????? ??? ??? ?????? ??? ?????? ??? ????? ????? ?????? ???? ????????? ??? ???? ????? ????? ?????? ?? 650 ??? 700 ???? ????? ??????? ??????? ??????? ??????? ???? ??????? ???????.

???????? ??? ???? ??????? ??????? ????? ??????????? ?? ????? ?? ???? ????? ??? ???? ??????? ??? ????? 42Cr9Si2 ?40Cr10Si2Mo. ??? ????? ?? ????? ??????? ????????? ??????? ????? ???? ??????? ??????? ???????. GB/T 1221-2007 ???? ????? '???? ??????? ??????? ???????' ??? 42Cr9Si2 ?? ?????? ??????? 4Cr9Si2 ?40Cr10Si2Mo ?? ??????? ?????? ?? ?????? 4Cr10Si2Mo ??? ???? ????? ???? ?? ??????? ???? ?????? ????? ??????? ??????????? ??????? ???????? ????????.