?????????????-20#???????????-??????????45#
 
????????????20#
???
GB/T8162?????й???????
ASTM A53???????????????????????
ASME SA53 ??????????ˉ??????????淶
???
???????????????????豸?????????е?????????
?????????????
10??20??35??45??Q345??15CrMo??12Cr1MoV??A53A??A53B??SA53A??SA53B??
??繫??
|
??????? |
??(D) |
?????(S) |
|
??ι? |
?????(mm) |
???????(mm) |
?????(mm) |
???????(mm) |
|
??30-50 |
??0.3 |
??30 |
??10% |
|
??50-219 |
??0.8% |
|
?????? |
??219 |
??1.0% |
??20 |
??10% |
????С???20#???????
|
20#????(GB/T8162-2008) |
|
??? |
???? |
??? |
???? |
??? |
???? |
??? |
???? |
|
28*8 |
???? |
34*5 |
???? |
38*4.7 |
???? |
43*2 |
???? |
|
29*2.5 |
???? |
34*5.5 |
???? |
38*5 |
???? |
43*3 |
???? |
|
29*4 |
???? |
34*6 |
???? |
38*5 |
???? |
43*3.5 |
???? |
|
29*4.5 |
???? |
34*6.5 |
???? |
38*5.5 |
???? |
43*5 |
???? |
|
30*1.5 |
???? |
34*7 |
???? |
38*6 |
???? |
43*6 |
???? |
|
30*2 |
???? |
34*7.5 |
???? |
38*7 |
???? |
43*7 |
???? |
|
30*2.3 |
???? |
34*8 |
???? |
38*8 |
???? |
43*7.5 |
???? |
|
30*2.5 |
???? |
34*9 |
???? |
38*9 |
???? |
43*8 |
???? |
|
30*3 |
???? |
35*1.5 |
???? |
38*10 |
???? |
43*9 |
???? |
|
30*3.5 |
???? |
35*2 |
???? |
39*4 |
???? |
43*10 |
???? |
|
30*4 |
???? |
35*2.5 |
???? |
39*5 |
???? |
45*1.5 |
???? |
|
30*4.5 |
???? |
35*3 |
???? |
39*7 |
???? |
45*1.8 |
???? |
?????????????????????????????????????????????????????????????????????????????????????????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
|
?????λ???
?? ? ? ?? 
