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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
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 A501 is hot-formed seamless and welded carbon structural steel tubing for welded, riveted, or bolted structures used in bridges and buildings, and for general structural purposes. It can be square, round, rectangular, or other specialized shapes. The grade of the tubing is Grade A, Grade B, and Grade C.
EN 10219 S235JRH (BS EN 10219 S235JRH) is a cold-formed hollow structural carbon steel pipe with a minimum yield strength of 235 MPa at a wall thickness of ≤16 mm and a minimum impact strength of 27 J at 20°C. The steel number is 1.0039.
JIS G3466 Carbon steel square and rectangular tubes for general structure JIS G3466 specifies square steel pipes (hereafter referred to as square steel pipes) used for structures such as civil engineering and construction. Grade: STKR 400, STKR 490 Square Size: 40*40mm-350*350mm Rectangular Size: 20*50mm-200*400mm Wall Thickness: 1.6-12mm
JIS G3444 indicated welded or consistent carbon steel tubes for general auxiliary purposes, civil designing, engineering, steel towers, frameworks, swaggers, heaps for concealment of avalanche and different structures Grade:STK290,STK400,STK490,STK500,STK540 Outer diameter: 33.4-660mm Wall thickness:2.1-22mm Length:0.8-18m suppliers Method: Hot Rolled. Surface Treatment: Coating, Painting, Galvanized, etc.
AS1163 C350/C450 Cold-formed Structural Steel Hollow Sections AS/NZS 1163 is the standard for cold-formed resistance-welded steel hollow sections in Australia and New Zealand. It applies to all steel hollow sections used in building structures. The standard has multiple grades such as C250, C350, C450, etc. The grade value represents the minimum yield strength of the material (in MPa).
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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