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è?1ú?úê?èè??:400-083-4511??0537-7970778??13280082001

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??3?£o?ó1¤??
è?3?£o?óó?1¤×???
±ê×?£oYB/T24-1986
1???£o9#? 11#? 12#
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?óó?1¤×???D??ü?è?¨?¢?á11o?àí?¢???èoí???èo??£
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?ó1¤??Dío??°??ê?2?êy±í:
9#?ó1¤??
???è(h):90+2.0mm
íè?í(b):76+2.0mm
?üo?(d):8+0.6mm
àí??£o17.69kg
2??ê£o16Mn
?ˉ?§3é·?£o%
c£o0.16£-0.20
S1£o0.30£-0.60
Mn£o1.30£-1.60
p£o2?′óóú0.045
s£o2?′óóú0.050
á|?§D??ê£o
?ü·tμ?N/mm2(kgf/mm2)£o2?D?óú345(35)
?1à-???èN/mm2(kgf/mm2)£o2?D?óú510(52)
éì3¤?ê%£o2?D?óú21

11o??óó?1¤×???
2??ê£o20mnk Q235
Dío?: 11#
???è:110mm
íè?í:90mm
?üo?:9mm
àí??£o26.05kg/m
???ù3¤?èóD8?×£?8.5?×£?9?×£?9.6?×£?10?×μè,á?′ó?éò??ù?Y?í?§òa?ó?¨×?£?

12#?ó1¤??
2??ê£o20mnk Q235
???è(h):120mm
íè?í(b):95mm
?üo?£¨d£?:11mm
àí??£o31.18kg

?óó?1¤×???2?á??ˉ?§3é·?
Dío?
??o?
·?
??
?? ??
C
Si
Mn
P
S
9
16Mn
0.16~0.20
0.30~0.60
1.30~1.60
≤0.045
≤0.050
11
20MnK
0.21~0.26
0.20~0.60
1.20~1.60
≤0.045
≤0.050
12
Q275b
Q275
0.28~0.37
≤0.10
0.15~0.35
0.50~0.80
≤0.045
≤0.050

á|?§1¤ò?
??o?
á|
D??ü
1¤ò?D??ü
??
?ü·tμ?ós /MPa
?1à-???èób /MPa
éì3¤?êδ5 (%)
à?í?ê??é 180°
16Mn
≥345
≥510
≥21
≥d=2a
20MnK
≥355
≥510
≥18
≥d=2a
Q275b Q275
≥275
490~610
≥20
≥d=3a

1???3?′?
Dí o?
???èh
íè?íb
?üo?d
9
90ê?2.0
76íá2.0
8±0.6
11
110±2.0
90±2.0
9±0.6
12
120±2.0
95ê?2.0
11±0.6


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