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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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