• Welding square rectangular pipe for many varieties of construction System 1
  • Welding square rectangular pipe for many varieties of construction System 2
Welding square rectangular pipe for many varieties of construction

Welding square rectangular pipe for many varieties of construction

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
26 m.t.
Supply Capability:
15000 m.t./month

Add to My Favorites

Follow us:


OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

Item specifice

Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Thickness:
0-22mm
Length:
0-400mm
Net Weight:
00

1  Welding square rectangular pipe for many varieties of construction

Square tube, square tube is a kind of call and rectangular tube, is equal and not equal to the length of steel pipe. Is the strip through the process of processing roll system. In general is the strip through the demolition of the package, flat, curly, welded to form a circular tube, and then rolled into a square tube and then cut into a square tube and then cut into the required length.

 

2  Welding square rectangular pipe for many varieties of construction

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3  Welding square rectangular pipe for many varieties of construction

Standard

GB, DIN, ASTM

Grade

10#-45#, 16Mn

10#, 20#, 45#, 16Mn

Thickness

1.5 - 25 mm

Section Shape

Square  and rectangular

Outer Diameter

20*20 mm-------400*400mm   20*30mm*300*500mm

Place of Origin

Tianjin, China (Mainland)

Length

3-12M

Outer Diameter

20*20 mm-------400*400mm   20*30mm*300*500mm

Grade 

235B   345B 

Standard

ASME, ASTM

 

1) Material:(ASTM A 106/A53 GRB.API5LGRB,GB,235B,345B

2) Specification range:OD: 20*30mm----300*500mm 20*20 mm---400*400mm    ,WT: 1.5 - 25 mm   ,length:3-12m or according to the requirement of clients.

3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above
4) Surface:black lacquered,varnish coating or galvanized.
5) Ends:Beveled or square cut ,painted.
6) Packing:bundles wrapped with strong steel strip,seaworthy packing. 

 

 

4Packaging & Delivery

Packaging Details:

seaworthy package,bundles wrapped with strong steel strip

Delivery Detail:

15-30days after received 30%TT

 

5  Welding square rectangular pipe for many varieties of construction

 

How is the quality of your products?
    Our products are manufactured strictly according to national and internaional standard, and we take a test 
on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.

How about price?
    Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.

Why should you chose us?
    Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.

 

6  Welding square rectangular pipe for many varieties of construction

 

Welding square rectangular pipe for many varieties of construction

Welding square rectangular pipe for many varieties of construction

 

 

Q:Can steel pipes be used for bridge construction?
Yes, steel pipes can be used for bridge construction. Steel pipes are commonly used in bridge construction due to their high strength-to-weight ratio, durability, and ability to withstand heavy loads and harsh environmental conditions. They are often used for constructing bridge piers, supporting structures, and for carrying utilities such as water or gas pipelines across the bridge.
Q:What is the composition of steel pipes?
Steel pipes are primarily composed of iron and carbon, with small amounts of other elements such as manganese, silicon, and sulfur.
Q:Is there any difference between HFW steel pipe and ERW steel pipe?
Resistance welding, as the name suggests, resistance welding is a method of welding by welding electrode after exerting pressure on electrode and utilizing electric current through the contact surface of connector and adjacent zone. High frequency welding: high frequency current through the metal conductor, will produce two kinds of peculiar effects: skin and proximity effects, high frequency welding is the use of these two kinds of effects of steel pipe welding, the effects of the two is based on the high frequency welding metal.
Q:What are the different surface finishes available for steel pipes?
There are several different surface finishes available for steel pipes, including mill finish, galvanized finish, painted finish, and polished finish.
Q:Are steel pipes suitable for use in chemical plants?
Yes, steel pipes are generally suitable for use in chemical plants. They are known for their high strength, durability, and resistance to corrosion, making them well-suited for transporting various chemicals and fluids. Additionally, steel pipes can withstand high temperatures and pressures, making them a reliable choice for the demanding conditions often found in chemical plants.
Q:How are steel pipes used in the agricultural sector?
Steel pipes are commonly used in the agricultural sector for various purposes such as irrigation systems, water supply lines, and drainage systems. They are used to transport water, fertilizers, and other liquids efficiently and reliably. Additionally, steel pipes are used for constructing structures like livestock enclosures, greenhouses, and storage facilities due to their durability and strength.
Q:How do you calculate the deflection of a steel pipe?
To determine the deflection of a steel pipe, one must take into account various factors, including material properties, applied loads, and geometrical characteristics. The following steps can serve as a guide: 1. Material properties must be determined. This involves obtaining information about the steel pipe, such as its Young's modulus (E), which signifies its stiffness or resistance to deformation. Typically, this value is provided by the manufacturer or can be found in material databases. 2. The applied loads need to be analyzed. It is necessary to identify the types and magnitudes of the loads acting on the steel pipe. These loads can consist of point loads, distributed loads, or a combination of both. Additionally, the location and orientation of the applied loads must be determined. 3. The geometry of the pipe must be evaluated. The dimensions of the steel pipe, including its length (L), outer diameter (D), and wall thickness (t), should be measured or obtained. Accuracy in these values is crucial for precise calculations. 4. An appropriate calculation method should be selected. Depending on the complexity of the loading and support conditions, one may need to employ either simple beam theory or more advanced structural analysis methods, such as the finite element method (FEM). 5. The relevant equations must be applied. For simple beam theory, the Euler-Bernoulli beam equation can be utilized to calculate the deflection at a specific point on the pipe. This equation assumes the pipe is homogeneous, linearly elastic, and subjected to small deflections. In more complex scenarios, FEM software can handle the calculations. 6. Boundary conditions must be determined. The support conditions at both ends of the pipe, which can include fixed supports, simply supported ends, or combinations of both, need to be identified. These conditions significantly influence the deflection of the pipe. 7. The deflection can be calculated. By using the equations relevant to the chosen method and incorporating the material properties, applied loads, and geometry, one can calculate the deflection at specific points along the steel pipe. The deflection can be measured in terms of vertical displacement or angular rotation. It is important to note that calculating the deflection of a steel pipe may require specialized engineering knowledge and software tools. If one lacks experience in structural analysis, it is advisable to consult a professional engineer to ensure accurate results and safe design.
Q:What are the different types of steel pipe valves?
There are several different types of steel pipe valves that are commonly used in various industries and applications. Here are some of the most common types: 1. Gate valves: These valves are designed to control the flow of fluid by lifting or lowering a gate or wedge that obstructs the flow path. They provide a tight seal when closed and are commonly used in applications that require a full flow or complete shut-off. 2. Globe valves: Globe valves have a globe-shaped body and a movable plug or disc that regulates the flow of fluid. They offer good throttling capabilities and are used in applications where precise control of flow is required. 3. Ball valves: Ball valves use a rotating ball with a hole in it to control the flow of fluid. When the hole is aligned with the pipe, the valve is fully open, and when the hole is perpendicular to the pipe, the valve is closed. Ball valves are durable, reliable, and commonly used in applications that require quick and easy shut-off. 4. Check valves: Check valves allow fluid to flow in only one direction and prevent backflow. They are often used to prevent damage to pumps, compressors, and other equipment by preventing reverse flow. 5. Butterfly valves: Butterfly valves have a disc that rotates within the pipe to control the flow of fluid. They are lightweight, compact, and offer a quick shut-off. Butterfly valves are commonly used in large-scale applications such as water treatment and HVAC systems. 6. Plug valves: Plug valves have a cylindrical or conical plug that rotates within the valve body to control flow. They are simple in design, easy to operate, and offer reliable shut-off capabilities. Plug valves are commonly used in applications that require frequent operation and high pressure ratings. 7. Diaphragm valves: Diaphragm valves use a flexible diaphragm to control the flow of fluid. When the diaphragm is pressed against the valve seat, the flow is blocked, and when the diaphragm is lifted, the flow is allowed. Diaphragm valves are commonly used in applications that require a sterile or hygienic environment. These are just a few examples of the different types of steel pipe valves available in the market. The choice of valve depends on the specific application requirements, such as flow rate, pressure, temperature, and the type of fluid being transported.
Q:What are the non-destructive testing methods used for steel pipes?
Some common non-destructive testing methods used for steel pipes include ultrasonic testing, magnetic particle testing, liquid penetrant testing, and visual inspection. These methods allow for the detection of defects or flaws in the pipes without causing any damage to the material.
Q:What are the different wall thicknesses available for steel pipes?
The different wall thicknesses available for steel pipes vary depending on the specific application and requirements. Common wall thicknesses for steel pipes include standard, extra strong, and double extra strong, with each thickness offering different levels of strength and durability.

1. Manufacturer Overview

Location
Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information  
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range

Send your message to us

This is not what you are looking for? Post Buying Request

Similar products

New products

Hot products


Related keywords