????

 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?
??????T?1|???-???????????1|o??Yo???1
???y?o1862  ??????o2016/10/12 ??'?'?3?? ??1????
  
2?o??o
10129172916
1????????o
120*80*4-6-8-10
2????o
??????T?1,???-???????????1,o??Yo???1
2?e?o
???ר?
 

lianyungangwufengfangguan

??????T?1|???-???????????1|o??Yo???1

??????T?1,???-???????????1,o??Yo???1

?T?y?????D?T1????oa??????o13400038833:13400031117

?T?1 ?-'? ??????
B ????
?
?T?1??????????????1???T??1????13D???D??1???T?1oo???1D?????2?e????1??D?D????????'???????1???
??D???
? ?D????3?
?T?1
?     ?
?????1?
 
? ?    ?
???????????1
? D?    '
?D??????
???? 1???
2?aD??
3???
4?a1?
5Do?
6???????
7?'DD?
8????
9????e???t?-??????
??1??2????D???2??????1??1???????????????????????-????????2???1?o?????11?to?D???t??????????3?'???????DD3??????t?1?D???????????????1????D???t?????2?????????????1D?????2??o?11???1????3D|??????????2013?????1'???????1?1????3?1????2????2?????11???2???a??1'???????1'o?????yD?'??2?????a?21oD1????3??????t??????2D?1???????????'?a???2??????3D?2??a2?????1|??|??????'?????'?y??1??21??
???t?-????aD??
1.?D?
?D?????e?2?????o?????2?D??D?(???D?)??2????????|??
2.2?
2??oa??e?2??23????????????2?D2a?2???3??????1?2?跨?????????o?D?'???1?????o???1??2a????e?2????????Y??1?3?'2a???2?????
3?????D2??2?(HB)?????2?(HRA??HRB??HRC)o???2?(HV)????
3.??
??????D???2?????e???2??o??????D?D?????????????D?????t?????-???o??1??????a????t????t?2??????1DD????????D?'??D??1??
???t?-??????
(a)'1??--????o?1????o?1(?????????)????o?1????o?1
(b)'o??--?o?1???YDyo?1
2??'????D?'?
3??'o??--???1??o???1
4??'???--1????1???D?1????1????????????1??Y???1?????1????1???a????1??????
???t?-????a1?
1?????????11?3:
1?--??--t?--??--?--'??--??'--DT??--????--o?--??--1'|--??'--??'????--??--??t--?--?D--??--??1a--a?1a--??--?--3?װ
2??1?11?3
1?--??--t?--??--?--'??--??'--DT??--????--o?--??--1'|--??'--??'????--??
3??o?11?3
?a?--????--??2????D?o??--??--3D?--o??--?ao???3y--?D??y--?D|'|--????D??--?D?2a--?D??--???1?2--??'--????2--װ
4???T?11?3
?2??--1?--??--?--'??--???--?t--??--??--??'--?D??e--??--3D--???--??
???t?-???Do?
Q345A:C?0.20??Mn ?1.70??Si?0.50??P?0.035??S?0.035;
Q345B:C?0.20??Mn ?1.70??Si?0.50??P?0.035??S?0.035;
Q345C:C?0.20??Mn ?1.70??Si?0.50??P?0.030??S?0.030??Al?Y0.015;
Q345D:C?0.18??Mn ?1.70??Si?0.50??P?0.030??S?0.025??Al?Y0.015;
Q345E:C?0.18??Mn ?1.70??Si?0.50??P?0.025??S?0.020??Al?Y0.015;
Q345A??B??C??D??E?o?Nb?0.07??V?0.15??Ti?0.20??Cr?0.30??N?0.012??Mo?0.10??
20#??Q235B
???t?-??????????
?1???????1??:4*o?*(?3-o?)*0.00785
??D?1???????1??:(?3/3.14-o?)*o?*0.02466
???t?-????'DD?
Q345D?T?1 GB17396-1998 27SiMn
???t?-???????
1.?11??T??1(GB/T8162-1999)?????11o?D??11???T??1??
2.?????T??1(GB/T8163-1999)???????????????????T??1??
3.??D?11?????T??1(GB3087-1999)?????????11??D?11???1y????1??D??1??3?1????1y????1??'?1??D??1o1?1?????????11???to??(?t)?T??1??
4.???11?????T??1(GB5310-1995)????????1??????1|????11?????????????????o??e??o2?Da????T??1??
5.???????1?T??1(GB6479-2000)??1????a-40~ 400????1?1|?a10~30Ma????1?o1?????????11??oo??e???T??1??
6.??????T??1(GB9948-88)??????3????1???????o1??T??1??
7.???????1(YB235-70)?1????2?????DD?D??1?????1??'?????a????????D?1??1o3?1???
8.?e????D????T??1(GB3423-82)???e????D?????????D?????1???T??1??
9.??1(YB528-65)?????????o??a?o????T??1????1?3???o2?3????????3???1??a???2?3???1???o?????1???a???
10.'?2?????T??1(GB5213-85)????'?2I????11?????????11????1????1y??????????T??1????????T??111???2?3?1y450????o??e???T??111???3?1y450????
11.??3???1??T??1(GB3088-82)??????3???1??y?????????1?????????11??oo??e?11???t?T??1??
12.2??????11(GB3093-2002)????2???????3???11??????T??1??
13.o?1o?????2????????T??1(GB8713-88)????o?1o?????2?????D??????3?'????????t????T??1??
14.?????t????T??1(GB3639-2000)???D??11??o?1???3?'??????o??1a??o????????t????T??1?????????T??1????D??11?o?1??????''????D??11????2????????D???2?????
15.?11?2?Da???T??1(GB/T14975-2002)?1?o???1?????????????3????D??1??????'1?o?11?t???t??2?Da????3???t(????)o??(?t)?T??1??
16.????2?Da???T??1(GB/T14976-2002)???????2?Da????3???t(????)o??(?t)?T??1??
17.D?T??1?3y??21?a??????????D?'???T??1??3???
???t?-???????e
???o???1??????D??D?????D???1,23??a??D???D??.????t???t'???????a???-????13Do??-????o????3???D?????D?'3?'???D????
o??13yo???o?a???,????2?3?'?o?2??????'?????3?1y??o??3D?1????????R????'D????o???2?-3?????.2????Y????Da??2???D'D???R???1;
?t???1?T?1??????D?D????????????D???3???2?.???T11y??????4????1D?3???1???1??D?D??????,'???????1?.?a|?o???,o?1??,?D??11,?D??1.???11???1,????1,???.??DD?.??o??????1??2??3??????

  • ????2??o???-'???o??T??1?T?y?????D?T1???a??????o13400038833
  • ?????2??o??????????y??
  • ??????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
    ????? ????? ?????? ????? ????? ????? ????? ?????