Established in year 2009,Bossen specializes in various kinds of steel pipes and steel concerned building materials. With an experienced, dynamic and high efficient team, our products are well-received worldwide.
We have our own factory–Tianjin Youyong Steel Pipe Co.,Ltd,which is a specialized enterprise for manufacturing longitudinal ERW steel pipe and galvanized steel pipe. The factory invests RMB150,000,000 yuan in total, covers an area of 110,000 square meters and owns more than 500 employees at present, including more than 50 main managerial personnel and production technical personnel.
Our factory now has 8 longitudinal ERW steel pipe production lines and 5 galvanizing production lines and it is capable of producing 300,000 metric tons of longitudinal ERW steel pipe a year and 200,000 metric tons of galvanized steel pipe a year.
Our factory has advanced pipe manufacturing production line, perfect inspection equipment and strictly specified quality assurance system. The company has obtained Certificate of ISO9001:2000 International Quality System and BV Certificate, etc.
Aesteiron Steels is a preferred manufacturer, exporter & supplier of ASTM A671 Gr CA55 Carbon Steel EFW Pipe. India’s largest stockholder of steel pipes & tubes
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Pipe Grade Type of Steel ASTM Specification
ASTM A671 Gr CA 55 Plain carbon A 285/A 285M C
ASTM A671 Gr CB 60 plain carbon, killed A 515/A 515M 60
ASTM A671 Gr CB 65 plain carbon, killed A 515/A 515M 65
ASTM A671 Gr CB 70 plain carbon, killed A 515/A 515M 70
ASTM A671 Gr CC60 plain carbon, killed, fine grain A 516/A 516M 60
ASTM A671 Gr CC 65 plain carbon, killed, fine grain A 516/A 516M 65
ASTM A671 Gr CC 70 plain carbon, killed, fine grain A 516/A 516M 70
ASTM A671 Gr CD 70 manganese-silicon, normalized A 537/A 537M 1
ASTM A671 Gr CD 80 manganese-silicon, quenched and tempered A 537/A 537M 2
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