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Product manufacturing and delivery standards：
| 1. |
Stainless steel seamless steel pipe for structure： |
GB/T 14975-2012 |
| 2. |
Stainless steel seamless steel pipe for fluid delivery： |
GB/T 14976-2012 |
| 3. |
Seamless stainless steel tubes for boiler tubes： |
GB 13296-2013 |
| 4. |
Cold drawing and cold rolling precision stainless steel seamless steel pipe： |
GB/T 3639-2009 |
| 5. |
Stainless steel seamless steel pipe for petroleum cracking： |
GB 9948-2006 |
| 6. |
Stainless steel seamless steel tube for high pressure boiler： |
GB 5310-2008 |
| 7. |
Ferrite and austenitic alloy steel seamless tubes for boilers and heat exchangers： |
ASTM A213 |
| 8. |
General purpose austenitic stainless steel seamless steel pipe and welded steel pipe： |
ABTM A269 |
| 9. |
Austenitic stainless steel seamless steel pipe and welded steel pipe： |
ASTM A312 |
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