| Type: | Welded |
|---|---|
| Technique: | ERW |
| Material: | Carbon Steel |
| Surface Treatment: | Black |
| Usage: | Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose |
| Section Shape: | Square |
| Samples: |
|---|
| Customization: |
|---|
Suppliers with verified business licenses
Audited Supplier Black square tube square hollow section construction tubes
I.Product Basic Info
| Shape: | round/sqaure/rectangular/oval or other special section tube | |||||||||
| OD: | 20-219.1mm, WT: 0.8-12mm | |||||||||
| Size: | 10*10-400*400mm,WT:0.8-12mm | |||||||||
| Size: | 10*20-400*600mm, WT:0.8-12mm | |||||||||
| Length: | 0.3-13m (as customers' request) | |||||||||
| Surface: | Carbon/Pre-galvanized/Hot Dip Galvanized/Oiled/Painted/Bared , can be dealed as customers'need | |||||||||
| Zinc Coating: | 50-150g/m2 for Pre- galvanized, more than 200g/m2 for hot dip galvanized.or as clients'need | |||||||||
| Material: | Q195/Q215/Q235/Q345/Q195-Q235 ABCD | |||||||||
| Standard: | ASTM-A53 /BS 1387-1985/ GB/T 3091-2001 for round pipe | |||||||||
| ASTM A500 /GB/T3094 for square/rectangular pipe | ||||||||||
| Manufacturing Technique | Weld/Seamless/ ERW/ SSAW/ LSAW / Cold Drawn/ Hot Drawn | |||||||||
| Ends: | Plain /Beveled/ Threaded with sockets coupling and plastic caps/ Necking down/ Expanding neck/ Punching holes | |||||||||
2.Product Chemical Composition & Mechanical Properties
| Grade | Chemical Composition | Mechanical Properties | ||||||
| C | Mn | Si | S | P | Yield | Tensile | Elongati | |
| Strength Mpa | Strenth Mpa | -on % | ||||||
| Q195 | 0.06-0.12 | 0.25-0.50 | ≤0.30 | ≤0.045 | ≤0.05 | ≥195 | 315-430 | ≥33 |
| Q215 | 0.09-0.15 | 0.25-0.55 | ≤0.30 | ≤0.05 | ≤0.045 | ≥217 | 335-450 | ≥27 |
| Q235 | 0.12-0.20 | 0.30-0.67 | ≤0.30 | ≤0.045 | ≤0.04 | ≥235 | 375-500 | ≥26 |
| Q345 | ≤0.20 | 1.00-1.60 | ≤0.55 | ≤0.04 | ≤0.04 | ≥345 | 470-630 | ≥22 |
3.Detailed Images
4.Application
1). Construction projects, civil chimneys, central air conditioning pipe,
2). Fences, threading pipe, greenhouse canopy (trellis tube),
3). Roller shutters doors, light steel keel,
4). Supporting tube, furniture, sports equipment, tents, guardrail etc.
FAQ
Q1:What about the quality?
A:Third party inspections are always welcomed as part of our dedication to the industry, we do make
arrangements for such inspections-ABS,DNV,BV,ect.
Q2: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock or it is 15-20 days if the goods are not in stock.
That is according to quantity.
Q3:Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q4: How can I get a sample to check your quality? How long can I get the sample?
A:After price confirmed, FREE SAMPLE could be provided for your evaluation. After you confirm
the sample details, the samples will be ready for delivery in 3-7 days and will be sent to you via express
and arrive in 3-5 days.
Q5:May I customize the steel pipe?
A:Yes, of course. We can manufacture according to your requirement and you can send the CAD
or design drawing to us.
Q6:Any Value-added Services?
A:Fottunately for you,we are very experience in this industry.we have equipped our warehouse with
the necessities to perform in-house painting,coating,and pipe cutting.
Q7: How about the trade terms?
A: EXW, FOB, CFR, CIF will be accepted.
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Suppliers with verified business licenses
Audited Supplier 
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