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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.
ASTM A500 is a standard for cold-formed welded and seamless carbon steel structural tubing. It is widely used in construction and industrial applications due to its versatility and strength. The standard includes four grades: Grade A, Grade B, Grade C, and Grade D, each with distinct mechanical properties and applications.
ASTM A500 GR.C Steel Structural Tubing in Rounds and Shapes Standard: ASTM A500 Grade: GR.C Outside diameter: 20-660MM, Wall Thickness: 1.3-16MM Outside diameter: 20*20-1200*1200MM, Wall Thickness: 1.3-50MM Outside diameter: 20*20-1500*1500MM, Wall Thickness: 1.2-50MM The Wall Thickness Tolerance: control within the standard limits Length: normally 5.8m, 6m, 12m or as your required Manufacturing Process: Seamless or Welded Surface Treatment: Bare Finish, Painting, Oiling, Galvanization......
JIS G3444 STK500,STK540 Carbon Steel Tubes Grade: STK500,STK540 Standard: JIS G3444 Manufacturing Methods:SMLS, ERW, LSAW... Specification: OD: 20MM - 660MM(ERW), 245MM - 1420MM(LSAW) WT: 1.3MM - 16MM(ERW), 10MM - 50MM(LSAW) Length: Commonly used 5.8M、6M、12M,or as your requirement. Surface Treatments: Powder coating, Hot-dip galvanized, Primer painted. Application: Civil engineering, Architecture, Construction, Machinery, Automotive & Industrial Equipment.
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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