????

 3?? 1?????? 2??DD??? ??1DD??? ??1?a??? DD?????? a?????
2?????
a????
?T?y?????D?T1???
????o0510-88264616??
13400031117
??-
????o0510-88264669??
18061978123
??-
????o0510-88266099??
13400038833
??-
'????o0510-88262996
QQ: 610997688??
471864974
????o?T?yDo?a?????T?168o?
?T123?-???45#?T1?????'
???y?o821  ??????o2018/5/17 ??'?'?3?? ??1????
  
2?o??o
51716373616
1????????o
351*16
2????o
????
2?e?o
?T?y?T1
 

?T123?-???45#?T1?????'

45#?T1

???2??D?????2???????????11????'???????21????????????????1???
45?o
??'???2???D???o????'???450??'???2???????????????????2??????
45???o
???o????a0.42-0.50%?????o?1??a0.17-0.37%?????o????a0.50-0.80%?????o??<=0.035%?????o??<=0.035%?????o????<=0.25%?????o????<=0.2545??
o??0.45%??
???'|????o
?y?e?o850
'??e?o840
???e?o600
?1-????o2?D?600Mpa
?t????o2?D?355Mpa
3??o10%
?????o40%
3??1|?o39J
??2?????'?2??o2?'
?''|?o229HBS
??e???o197HBS
|??y
????3Y????3Y???'?????????????????????????????1????????t??
2?1???
|?756mm??o?100mm???
???3?
??o?
45#?T1???3?(???y)(%)
45
C
Si
Mn
Cr
Ni
Cu
?
0.42-0.50
0.17-0.37
0.50-0.80
0.25
0.30
0.25
|?D??
??o?
|?D??
-|???MPa
?t??MPa
??o3?(%)
????????(%)
45#
600
355
16
40
???3Y
??o?
45#?T1???3?(???y)(%)
45
C
Si
Mn
S
P
Cr
Ni
Cu
0.17-0.24
0.17-0.37
0.35-0.65
?0.035
?0.035
?0.25
?0.25
?0.25
|?D??
??o?
|?D??
-|???|b (MPa)
?t??? |s (MPa)
3? |?5 (??)
???????? | (??)
45#
?Y410(42)
?Y245(25)
?Y25
?Y5
45#?T1?????'1????o
168*17
245*44
245*8
273*30
245*12
299*31
245*14
299*32
245*16
325*40
245*25
351*30
245*30
377*30
245*40
 
???o?D?'????45#?T??11??????????a?????1??????'?T?????1?'????D?!
Www.jshjgg.cn
www.wfgxh.com
www.ahwfg.cn
www.45haowfg.com
www.zg-wfg.cn
www.sdzwgg.cn
www.gangguanjg.com
coins001.com
?T?y?????D?T1???
??????o0510-88264669  88266099    88264616
a????o??????  ???o13400038833    13400031117
  • ????2??o351*32??45#?T1'|???
  • ?????2??o10#?T??1?D?????
  • ??????2?
  • ???1??'?o?T1,o??e??1,???11???1,o??o?1
    ??????o0510-88264616??13400031117???-??  ??????o0510-88264669??18061978123???-??  ??????o0510-88266099??13400038833???-??
    '??????o0510-88262996  Q??Q: 610997688??471864974  ??????o?T?yDo?a?????T?168o?
    Copyright ?T?y?????D?T1???  ???:?T?yD??168o?1a??2?D3?4??437o?  ????3??o??????
    ?1?a
    ????? ????? ?????? ????? ????? ????? ????? ?????