Tianjin Lefin Industrial Co., Ltd is one of the most experienced manufacturers and suppliers of singapore square steel tube in China. Please feel free to buy high quality singapore square steel tube from our factory. Good service and reasonable price are available.
Singapore Square Steel Tube, Rectangular Steel Tube
Structural Steel Squaren and Rectangular Hollow Sections, Steel Box Sections, Box Tube, MS Tube, RHS Steel, SHS Steel.
Tube Standard:
ASTM A500 GR.B, EN 10219 S355, EN 10210 S355, JIS G 3466 STKR400/STKR490, GB/T 3094, AS 1163 C250/C350
Steel Grades:
ASTM A 1011/A 1018 -- Structural Steel SS Grade B, Grade 36 [250]; High-Strength Low-Alloy Steel Grade 50 [340]
EN 10025 -- S355JR, S355J0, S355J2
JIS G 3101 -- SS400, SS490
GB/T 1591 -- High strength low alloy structural steels Q355B, Q355C, Q355D, Q355E
GB/T 700 -- Carbon structural steels Q235B
AS/NZS 3678 -- Structural steels Grade 250, Grade 350
Tube Applications:
For structure purposes: General construction, Glass curtain wall structure, large-span bridge or highway and rail way building, Agricultural greenhose structures, Structure for decorations...
For mechanical engineerings: Auto building, Shipbuilding, Tower crane building...








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