Square/Rectangular/Shs/Rhs/Steel Hollow Section/Cold-Rolled Square Tube ASTM A544 Black Square Hollow Steel Tubes

Surface Treatment
Ba/2b/No.1/No.3/No.4/8K/Hl/2D/1d
Thickness
0.8 - 12.75 mm, 0.5 - 20 mm
out Diameter
10*10-1000*1000mm /20*30-800*1000mm
Anti Rust Treatment
Slightly Oiled or Painted
Oiled or Non-Oiled
Non-Oiled
Processing Service
Bending, Welding, Decoiling, Punching, Cutting
Transport Package
Bundle
Specification
as your requirement
Origin
Wuxi, China (Mainland)
Production Capacity
5000ton/Month
Reference Price
$ 405.00 - 477.00
Contact Us

Product Description

Square tubes is a form of tube type, people have a different name on it, called the rectangular tubes, rectangular tubes, square tubes, welded square tube, because it has a lot of kinds of material of material can make the tube body, usually square tube is formed after unpacking, kaiping, bending strip welding pipe, again by the mechanism of rolling into a square tube.

Galvanized square steel pipe, rectangular steel pipe, steel hollow section, divided according to the shape of the section, is a name for square pipe and rectangular pipe. It is made of strip steel that has been processed and rolled. Generally, the strip is unpacked, flattened, coiled, welded to form a round tube, and then rolled into a square tube from the round tube and then cut to the required length. Square rectangular tube is also called cold-formed hollow section steel, referred to as square tube and rectangular tube.

Product Name

Galvanized Round/Square/Rectangular Steel Pipe

OD 15-800mm, customized 
Wall Thickness 0.6mm-15mm, customized 
Pipe Length 6-12m, or customized 

Material

10#, 20#, 45#, 16Mn, A53(A,B), Q235, Q345, Q195, Q215, St37, St42, St37-2, St35.4, St52.4, ST35,ect

Zinc Coating

Z35-Z275g/m2

Standard

ASTM A53,BS 1387,BS 1139,BS EN10025, BS 4568,GB/T3091-2001,GB/T13793-92, GB/T6728- 2002,API 5L,JIS G3444

Pipe End

Plain end,beveled,protected by plastic caps on both ends, cut quare,grooved,threaded and coupling,etc.

Surface Treatment

1) Bared 

2) Black Painted (varnish coating) 
3) Galvanized 
4) With Oiled 
5) 3 PE, FBE, corrosion resistant coating 
6) Anti-rust oil or customized 

Form

Round, Square, Rectangle, Oval, Coil, Flexible Pipe, Shaft,'U' Shape, etc

Inspection With Hydraulic Testing, Eddy Current , Infrared Test
Application

Fence, greenhouse, door pipe,greenhouse,Low pressure liquid, water, gas, oil, line pipe,For both indoor and outdoor the building construction,Widely used in scaffolding construction which is much cheaper and convenient.

Packaging

1. Bundled with narrow steel strips; 
2.wrapped with waterproof colth; 

3.According to customers' requirement.
Port Shanghai, Qingdao, Tianjin
Payment L/C, T/T, D/P, According to customers' requirement.
Our Advantage 1.Reasonable price with excellent quality. 
2.Abundant stock and prompt delivery. 
3.Rich supply and export experience, sincere service.

Square and Rectangular Steel Pipe Surface:

1) Natural Black;
3) Color painted on natural black steel pipe;
5) 3PE coated on natural black steel pipe;
7) Pre galvanized zinc coating 30g/m2 or customized(30g/m2 - 100g/m2);
2) Oiled with pvc wrapped;
4) Color painted on Galvanized steel pipe;
6) 3PE coated on Galvanized steel pipe;
8) Hot dip galvanized zinc coating 200g/m2 or customized(200g/m2 - 500g/m2)
 
Square and Rectangular Steel Pipe size chart
Square Hollow Section
Rectangular Hollow Section
Thickness
20*20 25*25 30*30
20*40 30*40
1.2-3.0
40*40 50*50
30*50 25*50 30*60 40*60
1.2-4.75
60*60
50*70 40*80
1.2-5.75
70*70 80*80 75*75 90*90 100*100
60*80 50*80 100*40 120*80
1.5-5.75
120*120 140*140 150*150
160*80 100*150 140*80 100*180 200*100
2.5-10.0
160*160 180*180 200*200
200*150 250*150
3.5-12.0
250*250 300*300 400*200 350*350 350*300
250*200 300*200 350*200 350*250 450*250 400*300 500*200
4.5-15.75
400*400 280*280 450*300 450*200
400*350 400*250 500*250 500*300 400*600
5.0-20.0
Square/Rectangular/Shs/Rhs/Steel Hollow Section/Cold-Rolled Square Tube ASTM A544 Black Square Hollow Steel Tubes
 
Square/Rectangular/Shs/Rhs/Steel Hollow Section/Cold-Rolled Square Tube ASTM A544 Black Square Hollow Steel Tubes Square/Rectangular/Shs/Rhs/Steel Hollow Section/Cold-Rolled Square Tube ASTM A544 Black Square Hollow Steel Tubes
Square/Rectangular/Shs/Rhs/Steel Hollow Section/Cold-Rolled Square Tube ASTM A544 Black Square Hollow Steel Tubes
Square/Rectangular/Shs/Rhs/Steel Hollow Section/Cold-Rolled Square Tube ASTM A544 Black Square Hollow Steel Tubes Square/Rectangular/Shs/Rhs/Steel Hollow Section/Cold-Rolled Square Tube ASTM A544 Black Square Hollow Steel Tubes
Square/Rectangular/Shs/Rhs/Steel Hollow Section/Cold-Rolled Square Tube ASTM A544 Black Square Hollow Steel Tubes Square/Rectangular/Shs/Rhs/Steel Hollow Section/Cold-Rolled Square Tube ASTM A544 Black Square Hollow Steel Tubes Square/Rectangular/Shs/Rhs/Steel Hollow Section/Cold-Rolled Square Tube ASTM A544 Black Square Hollow Steel Tubes
Square/Rectangular/Shs/Rhs/Steel Hollow Section/Cold-Rolled Square Tube ASTM A544 Black Square Hollow Steel Tubes
 
Square/Rectangular/Shs/Rhs/Steel Hollow Section/Cold-Rolled Square Tube ASTM A544 Black Square Hollow Steel Tubes Square/Rectangular/Shs/Rhs/Steel Hollow Section/Cold-Rolled Square Tube ASTM A544 Black Square Hollow Steel Tubes
1 .   Where your company located?
Shanghai Century DongRui Steel Co., Ltd is located at Shanghai, China, which is one of China   biggest commercial city  and leading economic and trading and industry center with reputation, even to the world.

2.  Is there any sea ports and airport nearby?
As you may know that our company is in Shanghai, which is near   Shanghai Port and nearby Ningbo Port. The cargo can be quickly transport to both sea ports on board in two or three hours, then shipped worldwide. Also, Shanghai had two airports,   Shanghai Hongqiao International Airport and Shanghai Pudong International Airport)   with many international air lines offered by airline companies.  

3.  Is your company a trading company or manufacturer?
Definitely, Shanghai Century DongRui Steel Co., Ltd, is a professional material manufacturer in China. Shanghai Century DongRui Steel Co., Ltd had done domestic and international business for decades. Our factories and workshop and warehouse is in Wuxi, Jiangsu Province, China. If fine, we would like to invite all clients to visit our company and factories.

4.  Which type of business inquiry will be quick respond?
Shanghai Century DongRui Steel Co., Ltd had recruited well-educated and experiences staffs to provide the professional quotation and business plan promptly. Sometimes, we would like to double confirm with clients to make sure that the raw materials products client asked is in line with those we can offer.

5.  Does your company apply customized products?
Yes, Shanghai Century DongRui Steel Co., Ltd had R&D Department, which can design and execute the business requests from the clients, customized products can be acceptable. Also, Shanghai Century DongRui Steel Co., Ltd can develop new products according to customer's practical application, and supply products aimed to different cost and performance requirement.

6.  How many days your company would like to ready for shipment?
En, that depend on whether any stocks at warehouse or need to produce or process at the factory and workshop according to the plan and order. For more details, you can inquiry with the contact point of Shanghai Century DongRui Steel Co., Ltd.

7.  What type of the package that the cargo would like?
Shanghai Century DongRui Steel Co., Ltd promise that all the cargo will be well packed and worth for sea or air or rail shipment.

 

Stainless Steel