1. ASTM A213/A213M,ASME SA213/SA213M

Seamless ferritic and austenitic alloy-steel boiler, superheater, and heat-exchanger tubes

2. ASTM A268/A268M,ASME SA268/SA268M

Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service

3.  ASTM A269/A269M

Seamless and Welded Austenitic Stainless Steel Tubing for General Service

4. ASTM A312/A312M,ASME SA312/SA312M

Seamless and Welded austenitic stainless steel pipes

5. ASTM A376/A376M.ASME SA376/SA376M

Seamless austenitic steel pipes for high-temperature central-station service

6. ASTM A511

Seamless stainless steel mechanical tubing

7. ASTM A789/A789M,ASME SA789/SA789M

Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service

8. ASTM A790/A790M, ASME SA790/SA790M

Seamless and Welded Ferritic/ Austenitic Stainless Steel Pipe

9. ASTM B167,B407,B444,B829

Standard specifications for Nickel and Nickel Alloys Seamless Pipe and Tube

10. DIN17456

Seamless circular Stainless Steel Tubes for General Service

11.DIN17458

Seamless circular austenitic Stainless steel tubes subject to special requirements

12. DIN17459

Seamless circular high-temperature austenitic stainless steel tubes

13. DIN28180

Seamless steel tubes for tubular heat exchangers

14. EN10216-5

Seamless steel tubes for pressure purposes

15. EN10217-7

Welded steel tubes for pressure purposes