80*160mm Black Gi Square Rectangular Tube Steel Hollow Structural Section

• Type: Welded
• Technique: Hot Rolled
• 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
• Model NO.: GSP
• Wall Thickness: 1.2-15mm
• Length: 1-12 Meters
• MOQ: 10 Tons
• Grade: Carbon Steel
• Steel: Q235 Q345 A500 Grade a, Grade B
• Transport Package: in Bundle with Steel Strips
• Specification: 20*20-600*600mm
• Trademark: HONGXIN
• Origin: China
• HS Code: 73066100
• Production Capacity: 50000 Tons Per Month

Product Description

Product Description

Product Name

80*160mm Black GI Square Rectangular Tube Steel Hollow Structural Section

Material

Q195 similar to a283 GR.B, 040a10, ss330
Q235 similar to a283 GR.D, 080a15,CS type B
Q345 similar to a737 GR.B, SS400, S235JR

Material Chemical Composition

C	Mn	Si	S	P
0.06-0.12	0.25-0.50	<=0.30	<=0.050	<=0.045

Tensile strength: 315-430(Mpa)
Yield strength:195(Mpa)
Elongation:33
 

Shape

Square /Rectangular

Outer Dia(mm)

15*15mm-600*600mm /  10*20mm-700*300mm

Wall Thickness(mm)

0.6-25mm

Length

5.8m-12m

Surface Treatment

1)Black,Pre-galvanized
2)oiled,powder coating
3)Galvanized as your requirement
PS:Pre galvanized steel pipe: 60-150g/m2;Hot dipped galvanized steel pipe: 200-400g/m2

End Finish

Plain/ beveled ends or threaded with sockets/coupling and plastic caps.

Packaging

Packing in bundle with steel strips; with seaworthy package at the end; could be done with your requirement.

Inspection

With Chemical Composition and Mechanical Properties Testing; Hydrostatic Test, Dimensional and Visual Inspection,  With Nondestructive Inspection

Application

construction pipe, machine structure pipe, agriculture equipment pipe, water and gas pipe, Greenhouse pipe, Building material, Furniture tube, Low pressure fluid tube, etc

HS Code

7306309000

Others

1:Special design available according to requirement 
2:Pipe can be necked dowm, punching hole on pipe wall. 
3:Pipe fittings, elbows are available.
4.All production process are under the ISO9001:2000 strictly

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

 

 

Packaging & Shipping

1. In bundle with 8-9 steel stripes for small diameter steel pipe
2. Wrapped the bundle with water-proof bag and then bundled by steel stripes and nylon lifting belt in both ends
3. Loose package for big diameter steel pipe
4. As per clients requirement

Company Profile

Tianjin Hongxin International Trade Co.,Ltd

1. Our company was founded in 2000,located in Shengfang of Hebei Province.
2. We are comprehensive steel manufacturer
3. Enjoying convenient traffic and occupying an advantageous location.
4. Company covers an area of 30,000 square meters,construction area of 7,500 square meters.
5. Own 15 ERW steel pipe production lines and 6 special precision steel pipe production lines.
6. Our products have sold abroad more than 30 countries.

 

Our Advantages

1. We have our own factory.
2. Factory was founded in 2004,it is an old factory.
3. Price is lower 20USD per ton than other suppliers.
4. Quality is good.
5. We have large stock so that we delivery soon.

 

Our Service

1. Pre-Sales Service
*We can offer one free sample length 20 cm with freight collected, if you want to buy our products and take our price.
2. After-Sales Service
*Quality/Quantity Claims: The Buyer is entitled to make both quality and quantity claim in writing against the Seller within 90 days after arrival at the port of destination.