1. The structure used for seamless steel pipe: GB/T8162-2008
Standard: GB/T8162-2008 USES: used in the manufacture of pipes, containers, equipment, pipe fittings and steel structure.
2. The transmission fluid with seamless steel pipe: GB/T8163-2008
Standard: GB/T8163-2008 USES: used in oil, natural gas long-distance transmission and other liquid transportation.
3. The boiler seamless steel pipe: GB3087-2008 GB5310-2008
: standard GB3087-2008 GB5310-2008 USES: used for low medium pressure, high pressure and over pressure boiler water wall, economizer, reheater, superheater, and steam pipe manufacturing.
4. Boiler high-pressure seamless tube: GB5310-2008
Standard GB5310-2008 USES: used in high pressure and over pressure boiler water wall, economizer, reheater, superheater and steam pipe manufacturing.
5. Fertilizer equipment with high-pressure seamless steel pipe: GB6479-2000
Standard: GB6479-2000 USES: used in the manufacture of high pressure chemical equipment and pipeline.
6. Geological drilling in seamless steel pipe: YB235-70
Standard: YB235 USES: used in geological drilling.
7. Seamless steel tube used in oil drilling: YB528-65
Standard: YB528-65 USES: used in oil drilling at both ends of seamless steel tube with thick or external upset. Pole points two car and car silk, silk work joint connection, no car work butt welding method and the tool joint connection.
8. Seamless steel tube used in oil cracking: GB9948-2006
Standard: GB9948-2006 USES: used in the manufacture of oil refinery furnace tube, heat exchanger tube and pipe.
9. The oil drill collar for seamless pipe: YB691-70
Drill pipe (API SPEC 5 d, API SPEC 7) standard: API SPEC 5 d, API SPEC 7 USES: used for drilling.
10. Automotive half shaft with seamless steel pipe: GB3088-1999
Standard: GB3088-1999 USES: used in the manufacture of automotive axle tube and shell shaft drive axle bridge works of high quality carbon structural steel and alloy structural steel hot-rolled seamless steel tube.
11. Ships use seamless steel pipe: GB5312-1999
Standard: GB/T5312-1999 USES: used for Marine boiler, superheater and pressure pipe manufacturing.
12. Cold drawn cold rolled precision seamless steel pipe: GB3639-2009
Standard: GB3639-2009 USES: used in the mechanical structure, hydraulic equipment of high dimensional accuracy and surface finish good cold drawn or cold rolled precision seamless steel tube. Choose precision seamless steel tube manufacturing mechanical structure or hydraulic equipment, etc., can greatly save the machining time, improve material utilization, at the same time to improve the quality of the product.
13. Seamless steel pipe used in hydraulic support: GB17396-2009
Standard: GB17396-2009 USES
