China galvanized steel square pipe gate designs 14 gauge tubing 4x4 square tubing square tube for pergola Suppliers, Factory

1 / 5

China galvanized steel square pipe gate designs 14 gauge tubing 4x4 square tubing square tube for pergola Suppliers, Factory

Send Inquiry

Product Description

Product Detail

Product Name	galvanized square rectangular pipe
Out Diameter	square pipe1010mm-500500mmas customer request.
	rectangular pipe 20*10mm as customer request.
Thickness	Pre galvanized:0.6-2.5mm.
	Hot dipped galvanized: 0.8- 25mm.
Zinc coating	Pre galvanized：5μm-25μm
	Hot dipped galvanized：35μm-200μm
Type	Electronic Resistance Welded (ERW)
Steel Grade	Q235, Q345, S235JR, S275JR, STK400, STK500, S355JR, GR.B-D
Standard	GB/T6728-2002 ASTM A500 Gr.A.B.C.JIS G3466
Surface Finish	Pre-galvanized, Hot dipped galvanized, Electro galvanized, Black, Painted, Threaded, Engraved, Socket.
International Standard	ISO 9000-2001, CE CERTIFICATE, BV CERTIFICATE
Packing	1. Big OD: in bulk 2. Small OD: packed by steel strips 3. Woven cloth with 7 slats 4. According to the requirements of customers
Main Market	Middle East, Africa, Asia and some European country and South America, Australia
Country of origin	China
Productivity	5000 Tons per month.
Remark	1. Payment terms: T/T, L/C 2. Terms of trade: FOB, CFR, CIF, DDP, EXW 3. Minimum order: 2 tons 4. Delivery time: Within 25 days.

Details Images

The steel supplied is enclosed with the original material book of the steel factory.
Customers can choose any length or other requirements they want.
Ordering or purchasing all kind of steel products or special specifications.
Adjust the temporary lack of specifications in this library, saving you from the trouble of rushing to purchase.
Transport services, can be delivered directly to your designated place.
The materials sold, we are responsible for the overall quality tracking, for you to eliminate worries.

Packing & Delivery

Waterproof plastic bag then bundle with strip, On the all.
Waterproof plastic bag then bundle with strip, On the end.
20ft container: not more than 28mt. and the length is not more than 5.8m.
40ft container: not more than 28mt. and the length is not more than 11.8m.

Products Machining

All the pipes is high-frequency welded.
Both inner and outer welded stab can be removed.
Special design available according to requirement.
Pipe can be necked down and punched holes and so on.
Supplying BV or SGS Inspection if client need.

Our Company

We are a professional manufacturer and exporter for steel products. The main products are pre galvanized steel pipe, hot dip galvanized pipe, welded steel pipe, square&rectangular tube and scaffolding products. We applied for and received 3 patents. They are groove pipe, shoulder pipe and victaulic pipe. Our manufacturing equipment include 4 pre-galvanized product lines, 8 ERW steel pipe product lines, 3 hot-dipped galvanized process lines. According to standard of GB, ASTM, DIN, JIS. The products are under the ISO9001 quality certification.

Annual output of various pipe is more than 300 thousands tons. We had obtained the honor certificates issued by the municipal government and quality supervising bureau yearly. Our products are widely applied to machinery, steel construction, agricultural vehicle and greenhouse, auto industries, railway, highway fence, container inner structure, furniture and steel fabric. Our company owns the first class professional technique adviser and the excellent staffs with professional technology. The products had been sold to all over the world. We believe that our high quality products and services will be your best choice. Hope get your trust and support. Looking forward to the long term and good cooperation with you sincerely.

Frequently Asked Questions

What are the available dimensions for the galvanized square and rectangular pipes?

Our square pipes range from 10*10mm to 500*500mm, and rectangular pipes start from 20*10mm. Customized dimensions and lengths are available based on customer requirements.

What is the difference in zinc coating thickness between pre-galvanized and hot-dipped galvanized pipes?

Pre-galvanized pipes typically have a zinc coating thickness of 5μm to 25μm, whereas hot-dipped galvanized pipes offer a thicker coating ranging from 35μm to 200μm for enhanced corrosion resistance.

What steel grades and standards are followed during manufacturing?

We manufacture products under steel grades including Q235, Q345, S235JR, S275JR, STK400, STK500, S355JR, and GR.B-D, complying with standards such as GB/T6728-2002, ASTM A500, and JIS G3466.

Do you offer product machining and customization?

Yes. We provide various machining services such as removal of internal and external welded stabs, necking down, and punching holes according to your specific project needs.

Can you provide third-party quality inspections?

Absolutely. We hold ISO 9001, CE, and BV certifications. If required, we can supply BV or SGS inspections based on customer requirements.

What are the standard packaging and shipping terms?

Large outer diameter pipes are shipped in bulk, while smaller sizes are packed with steel strips and woven cloth. We accept payment terms like T/T and L/C, operating under FOB, CFR, CIF, DDP, and EXW trade terms.