schedule 40 API 5L GR B seamless carbon steel pipe

Mechanical Property: 

Product Application:
1. GB/T8162-1999 (structure with seamless steel pipe, not used for conveying liquid).
It is mainly used in general structure and mechanical structure.
2. GB/T8163-1999 It is mainly used for conveying fluid pipeline on engineering and large equipment.
3. GB3087-1999 It is used to manufacture superheated steam pipe of low and medium pressure boiler, superheated steam pipe for boiling water pipe and locomotive boiler, big smoke pipe, small smoke pipe and arch brick pipe.
4. GB5310-1995 Seamless steel tube for high pressure boiler is a kind of high quality carbon steel alloy steel and stainless heat resistant steel seamless steel pipe used for making high pressure and above pressure water tube boiler heating surface.
5. GB9948-1999 Petroleum cracking pipe is often used in high temperature and high pressure conditions.
It is required to have high endurance strength, high oxidation corrosion resistance and good microstructure stability.
6. GB6479-1999 steel pipe is mainly used for high pressure fertilizer equipment and seamless steel pipe for pipeline.
Applicable to the working temperature for - 40 ~ 400 °C, the working pressure of 10 ~ 30 ma chemical equipment and pipeline of high quality carbon structural steel and alloy steel seamless steel tube.