详细说明
??????? ???2A12 ?????
????95?%? ?????0.05?%? ???1???
???????
2A12????????????
2A12????????????????????????????????????????????????????????????????????????????150C????????????125C?2024??????7075?????????????????????????????????????????????????????????????????????;??????????????????????????????????????????????????????????
2A12????????
?Si
?Fe
?Cu
?Mn
?Mg
?Cr
?Zn
?Ti
????
?
??
??
0.5
0.5
3.80?4.90
0.30?0.90
1.20?1.80
0.10
0.25
0.15
0.05
2A12??????????
????MPa ??????470
0.2%????MPa?? ??325??
????????????10
???? ??????? 105
??HB?????????120 ???20C ???? ? 30
20C???n.m ??? 48
???? ??????68
??KG.m-3 ?????? 2770
?????????????????????????????????????????????????????ALCOA????????????????7075?6061?5052?2024????????????????????????????????????????????????????????????
???????????????????????????????????0571-86915630 ????15336556865 ??QQ2414498000 ???????? ?????????????????www.hzchongtang.com"
