??????????и?-45#????????-????630*80?????и????????
??????????????:
??????????????????20G 16Mn
??б????GB5310-95 GB6479-86 GB9948-88
????
25??2.5-5 |
57??3-8 |
114??5-20 |
168??8-30 |
325??8-45 |
28??3-5 |
60??4-10 |
121??5-20 |
180??7-30 |
351??10-36 |
32??3-5 |
63.5??4-12 |
127??6-20 |
194??8-30 |
377??10-38 |
38??3-6 |
76??4-14 |
133??5-22 |
203??10-32 |
402??10-45 |
42??3-6 |
83??5-14 |
140??6-22 |
219??7-45 |
426??10-30 |
45??3-6 |
89??4.5-20 |
146??8-25 |
245??8-45 |
480??12-30 |
48??3-6 |
102??4-20 |
152??8-25 |
273??8-50 |
530??12-30 |
?е????ˉ??????????????
????????????????? 20# dz40
??б???? GB3087-1999 GB8163-1999 YB23-70
????
8??1-2 |
38??3-7 |
95??6-20 |
159??5-40 |
351??10-50 |
101-2 |
42??3-8 |
102??4-20 |
168??8-40 |
377??10-50 |
12??1-2.5 |
45??3-8 |
108??4-20 |
180??7-40 |
402??10-50 |
14??1.5-4 |
51??3-10 |
114??4-20 |
194??8-40 |
426??10-50 |
16??2-4 |
57??3-10 |
121??5-20 |
203??10-45 |
480??12-45 |
18??2-5 |
60??3-12 |
127??6-25 |
219??7-50 |
530??12-40 |
22??2-5 |
63.5??3-14 |
133??5-25 |
245??8-50 |
450??12-40 |
25??2-6 |
76??4-14 |
140??6-25 |
273??8-50 |
610??12-30 |
28??2-6 |
83??5-16 |
146??8-20 |
299??10-50 |
430??12-30 |
32??2.5-6 |
89??4-20 |
152??8-30 |
325??8-50 |
720??12-30 |
?????????(GB/T8162-1999)?????????????е??????????
??б????
GB/T8162?????й???????
ASTM A53???????????????????????
ASME SA53 ??????????ˉ??????????淶
????????
???????????????????豸?????????е?????????
???????????
10??20??35??45??Q345??15CrMo??12Cr1MoV??A53A??A53B??SA53A??SA53B
??????????????????????
??????????????
???? |
??? |
?????? |
?????GB/T17395<????????漲 |
???? |
1.????(???????)????3-12m
2.???(??)????2-10.5m |
?????? |
1.??? ??15mm????????1.5mm/m
2.???>15-30mm????????2.0mm/m
3.???>30mm??????351mm????????3.0mm/m |
??????????????
??????? |
????? |
??????? |
????? |
??? |
????(?????)?? |
?? |
<50 |
?? 0.50 mm |
?? 0.40mm |
??50 |
?? 1 % |
?? 0.75 % |
??? |
<4 |
?? 12.5 %
(??С????0.40mm) |
?? 10 %
(??С????0.30mm) |
??4-20 |
+15%
-12.5% |
?? 10 % |
>20 |
?? 12.5% |
?? 10% |
???(??)?? |
?? |
6-10 |
?? 0.20 mm |
?? 0.10 mm |
>10-30 |
?? 0.40 mm |
?? 0.20 mm |
>30-50 |
?? 0.45 mm |
?? 0.25 mm |
>50 |
?? 1 % |
?? 0.5 % |
??? |
??1 |
?? 0.15 mm |
?? 0.12 mm |
>1-3 |
+ 15 %, - 10 % |
?? 10 % |
>3 |
+ 12.5, - 10 % |
?? 10 % |
???????????С??351mm?????????????????????? 18 %?? |
?????????????????????????????????????????????????????????????????????????????????????????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
|