Welded black steel pipe square hollow section black square pipe

Welded black steel pipe square hollow section black square tubeProduct DescriptionI.Product Basic Info Shape:round/sqaure/rectangular/oval               or other special section tube OD:20-219.1mm, WT: 0.8-12mm     

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Welded black steel pipe square hollow section black square tube

Product Description

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 TechniqueWeld/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 

GradeChemical CompositionMechanical Properties
CMnSiSPYieldTensileElongati
Strength MpaStrenth Mpa-on %
Q1950.06-0.120.25-0.50≤0.30≤0.045≤0.05≥195315-430≥33
Q2150.09-0.150.25-0.55≤0.30≤0.05≤0.045≥217335-450≥27
Q2350.12-0.200.30-0.67≤0.30≤0.045≤0.04≥235375-500≥26
Q345≤0.201.00-1.60≤0.55≤0.04≤0.04≥345470-630≥22

 

3.Detailed Images

Welded Black Steel Pipe Square Hollow Section Black Square Tube
Welded Black Steel Pipe Square Hollow Section Black Square Tube
Welded Black Steel Pipe Square Hollow Section Black Square Tube

Welded Black Steel Pipe Square Hollow Section Black Square Tube

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.


5.Company

Welded Black Steel Pipe Square Hollow Section Black Square Tube


6.Factory and Processing Workshop

Welded Black Steel Pipe Square Hollow Section Black Square Tube

7.Laboratory

We not only have three factories with 13 production lines, but also we have our own test centre to keep the quality meeting clients' requests.

Welded Black Steel Pipe Square Hollow Section Black Square Tube

8.Certificates

Welded Black Steel Pipe Square Hollow Section Black Square Tube

9.Related Production

Welded Black Steel Pipe Square Hollow Section Black Square Tube

1.ERW black round pipe (ASTM A53,GB..
2.Weld black square/rectangular pipe(ASTM A500,GB,...)
3.Hot dip galvanized round pipe (BS 1387,ASTM A53,GB ,...)
4.Hot dip galvanized square/rectangular pipe(ASTM A500,GB...)
5.Pre-galvanized square/rectangular/round pipe,cold rolled black annealed or bright finished pipe.
6.Spiral steel pipe
7.Seamless pipe (ASTM A53,A106B,)
8.Oval pipe in galvanized and black surface
9.LTZ... special sizes pipe
10.Steel prop , steel plank,steel scaffolding pipe and accessories... steel constrctution material
11.Steel angle, Flat bar,round bar,sqaure bar, 
12.H,I,U,C,T,Y,W...steel beam/channel
13.Deformed steel bar
14.Hot rolled& cold rolled steel sheet/coil in black,galvanized,color coated surface.



 

 

                                                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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