?????????-GB3087?????ˉ??-??????-??????????????
???????GB3087???????ˉ????
?????
GB3087---------?й???????
?????
?????е????ˉ(?????????????5.88MPa??????????? 450~C????)???????????????估?????????
??????????????
10??20
??繫??
|
??????? |
?????
mm |
??????? |
|
????? |
??? |
|
????(??)?? |
??
D |
??159 |
+1.0%(??С??+0.50mm) |
+1.0%(??С??+0.5mm) |
|
>159 |
+1.0% |
+1.0% |
|
???
S |
??20 |
+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% |
|
???
S |
1.5~3.0 |
+15%
-10% |
+10% |
|
>3.0 |
+12.5%
-10% |
+10% |
??е?????
|
??? |
??? |
???????(MPa) |
???????(MPa) |
????(??) |
|
GB3087 |
10 |
335-475 |
??195 |
??24 |
|
20 |
410-550 |
??245 |
??20 |
???????
|
??? |
??? |
?????? |
|
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 |
??0.15 |
/ |
??0.25 |
??0.25 |
/ |
|
20 |
0.17-0.24 |
0.17-0.37 |
0.35-0.65 |
??0.035 |
??0.035 |
??0.25 |
/ |
??0.25 |
??0.25 |
/ |
???????ˉ??
??????
???????ˉ???GB3087-1999??????????????????????ˉ???????????????????????ˉ?ù????????????????С?????????????????????????????Σ?????????????????????GB/T8162-1999???????????????е??????????
|
??????? |
10??20 |
|
??б?? |
GB3087-1999 |
|
??? |
???????ˉ?????ù????????????????С??? |
|
???Χ |
??10-530??2-40 |
???????ˉ????
32*3*3.5*4*5*6
38*4*4.5*5*6
45*3*3.5*4*4.5*5*6
48*3*3.5*4*4.5*5*5.5*6
51*3*3.5*4*4.5*5*6*8
57*3*3.5*4*4.5*5*6*8
63.5*3*3.5*4*5*6*8
76*4*4.5*5*6*8*10
89*4.5*5*6*8*10*12
108*4.5*5*6*8*10*12
114*4.5*5*6*8*10*12
127*4.5*5*6*8*10*12
133*4.5*5*6*8*10*12
146*5*6*8*10*12
152*6*8*10*12*14*16*18*20
159*6*8*10*12*14*16*18*20
?????????????????????????????????????????????????????????????????????????????????????????С???????????????????????????????????????????????????????????,??????????????20#??45#??16MN??Q345??A/B/C/D/E????27SIMN??15CrMO??12Cr1MOV??10CrMO910??304??304L??316??316L??321??P11??P22??P91??T91.??й???GB8162-99?????GB8163-99????????????ù?????????GB3087-99??GB5310-85????????ˉ?ù??GB5312-8???ù??...
???????????0510-88264321??88223334 ???棺0510-88223334 ?????18921237777
|
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