Best Selling Carbon Fiber Q235B Rectangular Steel Tube and Square Tube Pipe 50X50mm Black Rectangular Iron Tube for Construction

• After-sales Service: Always Online
• Warranty: One Year
• Type: Seamless
• Technique: Hot Rolled
• Material: Alloy Steel
• Surface Treatment: Galvanized
• Model NO.: Q235/A36/A283 etc.
• 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: Round
• Payment: Tt Deposit
• Raw Material: Carbon Steel
• Grade: A36, Ss400, Q235B, Q345b, S235jr, S355etc.
• Sample: Sample Freely
• Size: Can Be Customized
• Package: Standard Sea Worthy Package
• Delivery: 15-25 Days
• Technology: Cold Rolled.Hot Rolled
• Oiled or Non-Oiled: Slightly Oiled
• Hardness: Full Hard
• MOQ: 5 Tons
• Transport Package: Standard Seaworthy Packing
• Specification: can be customized
• Trademark: BaoWu Steel, Ansteel, Masteel, Shougang, etc
• Origin: Jiangsu China
• Production Capacity: 10000 Tons/Month

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

Square/Rectangular Pipe

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 steength:195(Mpa)

Elongation:33

 

Shape

Square   /   Rectangular

Outer Dia(mm)

15*15mm-1000*1000mm /  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 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

Q1. Where is your factory ?
A1: Our company's processing center is located in Jiangsu, Wuxi, China.
Which is well equipped with kinds of machines, such as laser cutting machine,mirror polishing machine and so on.
We can provide a wide range of personalized services according to the customers' needs.

Q2. What are your company's main products ?
A2: Our main products are carbon steel & stainless steel plate/sheet, coil, round/square pipe, bar, channel, etc.

Q3. How do you control quality ?
A3: Mill Test Certification is supplied with shipment, Third Party Inspection is available.

Q4. What are the advantages of your company ?
A4: We have many professionals, technical personnel, more competitive prices and best after-sales service than other stainless steel companies.

Q5. How many coutries you already exported ?
A5: Exported to more than 50 countries mainly from America, Russia, UK, Kuwait, Egypt,Turkey, Jordan, India, etc.

Q6. Can you provide sample ?
A6: Small samples in store and can provide the samples for free.
Customized samples will take about 5-7days.