Offer JIS G 3461 STB 340 boiler pipe/boiler steel pipe/seamless steel pipe stock in China,as a seamless steel pipe supplier in China,BBN steel has 5 production lines and workshop covers an area of 800,000 square meters, owns more than 4000 employees, including 520 senior professionals and technicians,with an annual output of 600,000 tons of various kinds of steel pipe.
JIS G 3461 STB 340 boiler pipe/boiler steel pipe/seamless steel pipe Chemical composition (% ):

JIS G 3461 STB 340 boiler pipe/boiler steel pipe/seamless steel pipe mechanical properties:

JIS G 3461 STB 340 boiler pipe  Seamless pipe supplied scope/ specification/size is:
OD10.3mm--965.2mm, wall thickness 1.0mm--120mm,Annual capacity is500 thousand tons.
Length: 5-12m
JIS G 3461 STB 340 boiler pipe/boiler steel pipe/seamless steel pipe application is widely,JIS G 3461 STB 340 boiler pipe/boiler steel pipe/seamless steel pipe used for tubular heat exchangers,condensers,and similar heat transfer apparatuses,heat exchangers, condensers, heat transfer equipment and similar pipes.
We are specialized in manufacturing JIS G 3461 STB 340 boiler pipe/boiler steel pipe/seamless steel pipe. With more than 10 years experience in this filed,  we have been exporting ourJIS G 3461 STB 340 boiler pipe/boiler steel pipe/seamless steel pipe to more than 80 countries and regions, such as Southeast Asia, the Middle East and Eastern Europe. We enjoy a good reputation among customers. Welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits of JIS G 3461 STB 340 boiler pipe/boiler steel pipe/seamless steel pipe.