Tianjin Minjie SteelCo.,Ltd

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Square/ Rectangular Tube

  Brighten : Brighten steel pipe is made of brightenannealed steel strip ( a kind of material corresponding to CR.)Similar with black tube made of cold rolled coil, brighten steelpipe keeps the original brighten color of steel.

  Hot dipped galvanized: Hot dipped galvanized tube ownsthicker zinc coating than pre-galvanized tube. Black tubes will bedipped into zinc pool for galvanizing.

  Electro galvanized: The technology of electro galvanizedtube is similar to hot dipped galvanized tube, but the thickness ofzinc coating is less than hot dipped galvanized tube.

  Pre-galvanized: Pre-galvanized tube is made of hot dippedgalvanized steel strip directly

  Painted :Painted pipe to remove the rust and cleanthe oil first and then paint the required color paint.
Standard: GB/T6728:2002 , ASTM A500 , JIS G3466 ,EN10210 ,EN10219, ASTM A500 Gr. A.B.C.
Steel Grade: Q195-Q235 , Q345 , S235, S355,S235JR, S355JR.STK400/500 .
Packing:Hexagonal bundles of max. 3,000kg withseveral steel strips, Two tags on each bundle, Wrapped inwaterproof paper
Test::Chemical Component Analysis, MechanicalProperties (Ultimate tensile strength, Yield strength, Elongation),Technical Properties (Flattening Test, Bending Test, Blow Test,Impact Test), Exterior Size Inspection, Hydrostatic Test, X-rayTest.
Third party inspection:SGS, BV, Lloyds etc.
Size:
SquareTube