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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.
JIS G3444 STK540 HOLLOW SECTION Outside Diameter: 1/2 INCH - 15INCH(CHS) 20MM × 20MM - 1200MM × 1200MM(SHS) 20MM × 30MM - 1200MM × 1500MM(RHS) Wall Thickness: 5MM - 50MM Wall Thickness Tolerance: ±10% Length: Commonly used 5.8M, 6M, 12M, also depends on the requirements Surface Treatment:Galvanizing,Painting. Advantades: High Strength, Durability, Easy to Fabricate Application:transportation water,Construction industry,energy industry.
ASTM A500 GR.A HOLLOW SECTION Grade: GR.A,B,C,D Outside Diameter: SQUARE: 20MM × 20MM - 1200MM × 1200MM RECTANGULAR: 20MM × 30MM - 1500MM × 1200MM Wall Thickness: 1.3MM - 50MM Wall Thickness Tolerance: ±10% Length: 1M - 12M, normally 5.8M,6M,12M, also depends on the requirements Surface treatment: Galvanizing, Black vanish, Carving, Slightly oil painting, PVC clothes cover each bundle ect.
JIS G3444 STK400 HOLLOW SECTION Standard: JIS G3444 Grade: STK290, STK400, STK500, STK540 Outside Diameter: 1/2 INCH - 15INCH(CHS) 20MM × 20MM - 1200MM × 1200MM(SHS) 20MM × 30MM - 1200MM × 1500MM(RHS) Wall Thickness: 5MM - 50MM Wall Thickness Tolerance: ±10% Length: Commonly used 5.8M, 6M, 12M, also depends on the requirements Advantages: High Strength, Durability, Easy to Fabricate Applications:Transportation water,Construction industry,Energy industry.
AS1163 C350、C350L0 HOLLOW SECTION Outside Diameter: 20MM × 20MM - 1200MM × 1200MM(SHS) 20MM × 30MM - 1000MM × 1500MM(RHS) Wall Thickness: 1.2MM - 50MM Wall thickness tolerance:±10% LENGTH: 1M - 12M,commonly used 5.8M,6M,12M
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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