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About us
Tianjin lefin Industrial
TIANJIN LEFIN STEEL GROUP containing Tianjin lefin Industrial Co.,Ltd. 、Tianjin lefin steel import & export Co.,Ltd and Tianjin Shengqifeng International Trading Co., Ltd. -
Products
Steel Pipe Processing
Our main products include 1/2inch to 16 inch ERW PIPE/GI PIPE which has been produced according to BS1387/ASTM A53/EN10219/EN10255/EN10217 Standard -
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Service Capability
Guarantee Quality
Our steel pipes are suitable for oil, natural gas, shipbuilding, chemical industry, water conservancy, electrical, steel structure, construction and other related fields.
Our main products include 1/2inch to 16 inch ERW PIPE/GI PIPE which has been produced according to BS1387/ASTM A53/EN10219/EN10255/EN10217 Standard
Our main products include 1/2inch to 16 inch ERW PIPE/GI PIPE which has been produced according to BS1387/ASTM A53/EN10219/EN10255/EN10217 Standard
Has rich experience in steel pipe processing, can be customized according to customer requirements according to the drawing and sample processing, assist in the development of new products.
AS/NZS 1163 C250 is an Australian/New Zealand Standard that specifies the requirements for cold-formed structural steel hollow sections, including circular, square, and rectangular hollow sections (CHS, SHS, and RHS). The C250 designation refers to the minimum yield strength of the steel, which is 250 MPa.
AS/NZS 1163 C350 Steel Pipes Standard: AS 1163 Grade: C250, C250L0, C350, C350L0, C450, C450L0 Outside diameter: 20-660mm Wall Thickness: 1.3-16mm Outside diameter: 20*20-1200*1200mm Wall Thickness: 1.3-50mm Outside diameter: 20*30-1500*1200mm Wall Thickness: 1.2-50mm The Wall Thickness Tolerance: Control within the standard limits Length: normally 5.8m, 6m, 12m or as your required Surface Treatment: Bare Finish, Painting, Oiling, Galvanization, 3PE, FBE coated......
EN 10219 S235JRH Steel Tubes Standard: EN 10219 Grade: S235JRH, S275J0H, S275J2H, S355J0H, S355J2H, S275NH, S355NH Outside Diameter: 1/2 INCH - 24 INCH(CHS) 20MM × 20MM - 1200MM × 1200MM(SHS) 20MM × 30MM - 1000MM × 1500MM(RHS) Wall Thickness: 1.3MM - 22MM(CHS) 1.3MM - 50MM(SHS,RHS) Wall Thickness Tolerance: Within the standard limits Length: Normally used 5.8m, 6m, 12m,but we can also produces depends on client's requirement. Surface Treatment: Bare Finish, Painting, Oiling, Galvanization, 3PE, FBE coated......
EN 10219 is a European standard that specifies the requirements for cold-formed welded structural hollow sections of non-alloy and fine-grain steels. It covers steel grades such as S235, S275, and S355, which are widely used in structural applications.
Address: Hengtai Road,Daqiuzhuang Town,Jinghai County,Tianjin,China
Mob: +8615122229899(whatspp)
Phone: +86 22 58171905
Fax: +86 22 58171902
E-mail:info@lefinsteel.com
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