hot dip galvanized square steel tube
ERW SQUARE/RECTANGLE HOLLOW STEEL TUBE PIPE
Standard: ASTM A500 Seamless Steel Rectangle Tubing
Cold-Formed Welded Carbon Structural Tubing in Rounds and Shapes Rectagnle and Square
Applications: for construction of bridges, and buildings, and for general strcutrual purposes,
For Algricultrual Michinery, Engineering etc.
Size range: Square tubes O.D. :20-20 to 500-500mm W.T.:1-24mm L:max12000mm
Rectangle tubes O.D. :20-30 to 400-600mm W.T.:1-24mm L:max12000mm
square hollow steel pipe
QUALITY CONTROL
1~ Incoming Raw Material Inspection
2~ Raw Material Segregation to avoid steel grade mix-up
3~ Heating and Hammering End for Cold Drawing
4~ Cold Drawing and Cold Rolling, on line inspection
5~ Heat Treatment, +A, +SRA, +LC, +N, Q+T
6~ Straightening-Cutting to specified length-Finished Measuring Inspection
7~ Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8~ Packing and Stocking.
Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample of ERW SQUARE/RECTANGLE HOLLOW STEEL TUBE PIPE for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us
Profile Steel is used to mount, brace, support, and connect lightweight structural loads in building construction. These include pipes, electrical and data wire, ERW SQUARE/RECTANGLE HOLLOW STEEL TUBE PIPE mechanical systems such as ventilation, air conditioning, and other mechanical systems. Strut channel is also used for other applications Profile Steel that require a strong framework, such as workbenches, shelving systems, equipment racks, etc. Specially made sockets are available to tighten nuts; bolts etc.
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Profile Steel is equipped with excellent equipments including two sets 1450 reversible rolling mills,ERW SQUARE/RECTANGLE HOLLOW STEEL TUBE PIPE three sets 1150 reversible rolling mills, two sets galvanizing & galvalume lines, two sets color coating lines, one set correcting machine, and one set pickling line.