ERW Welded Hot Rolled Black Carbon Square Tube Rectangular Hollow Section Steel Pipe

Product Information

Product   Name	Hollow Section Square Rectangular Steel Pipe
Outer   Diameter	10mm*10mm - 500mm*500mm,   20mm*10mm - 500mm*300mm
Wall   thickness	0.6mm-15mm
Length	Normal is 6 M and 12 M, Can be customized 0.5-15 meters
Standard	ASTM A500, JIS G3446, EN10210,   GB/T6728
Material	S235JR, S275J0, S275J2, S355J0,   S355JR, S355K2, STK290, STK400, STK490, STK500, SS330, SS400, SS500, ST37,   ST42, ST52, Q195-Q355，20#， 40#
Section   Shape	Square / Rectangular Hollow
Technique	Hot rolling, Cold drawing, ERW
Ends	Plain end
Surface Treatment	1. Varnish coating/oil
	2. Logo   / Sizes & Spec painting
	3. Galvanized
	4. According to clients requirement
Packing	Packed into bundles by steel   strip, export by seaworth plastic packaging
MOQ	5 Metric tons
Origin	Tianjin & Hebei ,China
Certificates	ISO9001, ISO14001, ISO18001, CE,   JIS, SGS, BV, TUV
Delivery   Time	Usually within 15-40 days after   receipt of down payment (10 days for stock list )
Product   Application	construction industry,   decoration and steel structure，metallurgical   industry, agricultural vehicles, agricultural greenhouses, automotive   industry, railways, highway guardrails, container skeletons, furniture,   machinery manufacturing,

Production Process 

Surface Treatment 

Quality Inspection 

1)Before Shipping ,Our professional Inspectors Will Check The Pipe's Diameter ,Thickness ,Length,Chemical Composition, Mechanical Properties,Zinc Coating  etc, Everything is Ok, Then Will Shipping
and Supply a MTC With Full Information .

2)Support The Third Party Inspection ,SGS, BV and Others.

Product Application 

Packing & Shipping 

Company Profile 

Tianjin Jinxinbao Metal Surface Treatment Co.,LTD .We were founded in 2012, with the headquarters location at the largestwelded pipe production based in china-Yangjiayuan Town,Tianjin city,which is the most  professional manufactuer of galvanizedsteel products in this area. There have total 6 galvanized production lines ,about 200 employees and annual productionmore than 200000 tons .

In the 2016, in order to meet client requirements, we built a after-processing factory, whose named is Tianjin Baojing New Energy Technology Co.,LTD , which produced all kinds of customized products and sucessful supplyfor many PV projects .

As the export's window, Tianjin Shengteng International Trading Co.,LTD , manily exporting the factory's galvanized steel products, especially galvanized steel pipe ,square and rectangular steel tube, seamless
steel pipe,ERW steel pipe, galvanized steel coil/sheets ,scaffolding steel props, PV mounting system .

In the past ,we get good feedback from old clients, and we will more fouce on the quality and improve the service to thankful each client in the future.

FAQ

Q:Do you provide samples ? Free or not?
A:Yes, we could offer the sample for free but do not pay the cost of freight.

Q:May I customize the steel pipe?
A:Sure you can, we can produce according to your requirement, you can send the CAD or design drawing.

Q: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,pipe cutting, etc.

Q:How manys days can you delivery after confriming order ?
A:If we have stock ,we can shipping within 5-7 days.If customized ,usually within 30 days with normal size.Specially sizes need to confirm with factory.

Q:What is the product's warranty ?
A:As long as you received our cargo within 1 years, you have any problem ,pls feedback to us .After cnofirming our quality cause ,we will resend new pipes or give reasonable compensation for you.