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 12171444116
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10*2
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38*4.5
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60*7
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108*4
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14*2
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38*5
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60*8
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108*4.5
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14*3
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38*6
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63.5*3
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108*5
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18*3
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40*2
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63.5*3.5
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108*6
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19*2
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40*3.5
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63.5*4
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108*7
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19*2.75
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42*3
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63.5*4.5
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108*8
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19*3
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42*3.5
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63.5*5
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108*9
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20*2
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42*4
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63.5*6
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108*10
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22*2
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42*4.5
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63.5*9
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108*12.5
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22*2.5
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42*5
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63.5*10
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114*4
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22*3
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45*2.5
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68*4
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114*4.5
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22*3.5
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45*3
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68*6
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114*5
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22*4
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45*3.5
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70*3
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114*6
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25*2
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+1.0%
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S
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+15%(??С??+0.45mm)
-12.5%(??С??-0.35mm)
+1.0%(??С??+0.30mm)
>20
+12.5%
+10%
D??351???????
+15%
???(??)??
??
D
10~30
+0.40mm
+0.20mm
>30~50
+0.45mm
+0.25mm
>50
+1.0%
+0.75%
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S
1.5~3.0
+15%
-10%
+10%
>3.0
+12.5%
-10%
+10%
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???????(MPa)
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GB3087
10
335-475
??195
??24
20
410-550
??245
??20
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C
Si
Mn
P
S
Cr
Mo
Cu
Ni
V
GB3087
10
0.07-0.14
0.17-0.37
0.35-0.65
??0.035
??0.035
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/
??0.25
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20
0.17-0.24
0.17-0.37
0.35-0.65
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??0.035
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/
??0.25
??0.25
/


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    • ???????3520  ??????2011/12/17 ?????????? ???????

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