• Welded Black ERW Steel Pipe Q235B Scaffolding Pipe System 1
  • Welded Black ERW Steel Pipe Q235B Scaffolding Pipe System 2
Welded Black ERW Steel Pipe Q235B Scaffolding Pipe

Welded Black ERW Steel Pipe Q235B Scaffolding Pipe

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
27 m.t.
Supply Capability:
6000 m.t./month

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1、Structure of Welded Black ERW Steel Pipe Q235B:

ERW steel pipe is electric resistance welding, the abbreviation for ERW for  conveying gas, water, and petroleum foroil and natural gas industries. And used for structural steel pies purpose. As the manufacturing process does not include any welding, seamless pipes are perceived to be stronger and more reliable. Historically seamless pipe was regarded as withstanding pressure better than other types, and was often more easily available than welded pipe. 

2、‍‍Main Features of Welded Black ERW Steel Pipe Q235B:

• High manufacturing accuracy

• High strength

• Good visual effect

• Reasonable price  

• Small inertia resistance

• Strong heat dissipation ability

 

3、Welded Black ERW Steel Pipe Q235B Specification:

Standard

GB, DIN, ASTM

ASTM A106-2006, ASTM A53-2007

Grade

10#-45#, 16Mn

10#, 20#, 45#, 16Mn

Thickness

1 - 33 mm

Section Shape

Round

Outer Diameter

21 - 610mm

Place of Origin

Tianjin, China (Mainland)

Secondary Or Not

Non-secondary

Application

Hydraulic Pipe

Technique

Cold Drawn

Certification

API

‍Surface Treatment

factory state or painted black

‍Special Pipe

API Pipe

Alloy Or Not

Non-alloy

Length

5-12M

Outer Diameter

21.3-610mm

Grade 

20#, 45#, Q345, API J55, API K55, API L80, API N80, API P110, A53B

Standard

ASME, ASTM

 

1) Material:20#(ASTM A 106/A53 GRB.API5LGRB,GB),45#,16Mn,10#.

2) Specification range:OD:21.3-610mm,WT:6-70mm,length:6-12m or according to the requirement of clients.

3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above standards,we can also supply seamless steel pipe with standard of DIN,JIS,and so on,and also develop new products according to the requirements of our clients!
4) Surface:black lacquered,varnish coating or galvanized.
5) Ends:Beveled or square cut,plastic capped,painted.
6) Packing:bundles wrapped with strong steel strip,seaworthy packing. 

7) Shippment : This will be done under the request of clilents  with the standard and professional agency.

 

4、Packaging & Delivery

Packaging Details:

seaworthy package,bundles wrapped with strong steel strip

Delivery Detail:

15-30days after received 30%TT

 

5、FAQ of Welded Black ERW Steel Pipe Q235B: 

①How 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.

②How 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.

With sound reputation and high quality , we will offer clients a wonderful business experience. Hope we have the opportunity to develop our busyness successfully hand in hand.

 

6、‍‍ Welded Black ERW Steel Pipe Q235B Images: ‍‍

 

 

Welded Black ERW Steel Pipe Q235B Scaffolding Pipe

Welded Black ERW Steel Pipe Q235B Scaffolding Pipe

 

 

Q: What time what time for gas pipeline steel pipe PE pipe
PE pipe is suitable for medium voltage and low voltage 0.4MPa below the pressure pipe wall thickness. According to the different pressure is not the same, so the steel tube can be used for high pressure.
Q: Can steel pipes be used for geothermal heating systems?
Yes, steel pipes can be used for geothermal heating systems. Steel is a commonly used material in geothermal installations due to its durability, corrosion resistance, and ability to withstand high temperatures. It provides a reliable and long-lasting solution for transferring heat in geothermal heating systems.
Q: How do you determine the weight per foot of a steel pipe?
To ascertain the weight per foot of a steel pipe, there are two primary factors to consider: the pipe's thickness and diameter. Initially, it is necessary to measure the pipe's outer diameter (OD) and wall thickness (WT) using either a caliper or a measuring tape. Upon obtaining these measurements, the inner diameter (ID) can be determined by subtracting twice the wall thickness from the outer diameter (ID = OD - 2 * WT). Subsequently, utilize the formula for the cross-sectional area of the pipe (A = π * (OD^2 - ID^2) / 4) to calculate the cross-sectional area. Lastly, multiply the cross-sectional area by the steel's density, typically around 490 pounds per cubic foot, to derive the weight per foot of the steel pipe. Weight per foot (WPF) = A * 490 It is vital to acknowledge that this calculation provides an approximation of the weight per foot, as manufacturing tolerances and slight variations in steel density may impact the actual weight. Thus, it is advisable to employ this calculation as a reference and consult the manufacturer's specifications for more accurate information.
Q: What are the different coating options for steel pipes?
There are several different coating options available for steel pipes, including fusion bonded epoxy (FBE) coating, three-layer polyethylene (3LPE) coating, three-layer polypropylene (3LPP) coating, coal tar enamel (CTE) coating, and zinc coating. These coatings help to protect the steel pipes from corrosion and extend their lifespan.
Q: How are steel pipes used in the construction of nuclear power plants?
Steel pipes are used in the construction of nuclear power plants for various purposes, including transporting coolant, steam, and gases, as well as providing structural support for the overall system. These pipes are specifically designed to withstand high pressures, extreme temperatures, and corrosive environments, ensuring the safe and efficient operation of the nuclear power plant.
Q: Can steel pipes be used for stormwater management systems?
Yes, steel pipes can be used for stormwater management systems. Steel pipes are a commonly used material for stormwater management due to their durability, strength, and resistance to corrosion. They can effectively carry and transport stormwater, making them suitable for various applications in stormwater management systems.
Q: Can steel pipes be used for irrigation pivot systems?
Yes, steel pipes can be used for irrigation pivot systems. They are often preferred due to their durability, strength, and resistance to corrosion. Steel pipes can efficiently transport water over long distances, making them suitable for irrigation pivot systems that require reliable water supply.
Q: Are steel pipes suitable for wastewater pumping stations?
Yes, steel pipes are suitable for wastewater pumping stations. Steel pipes are known for their durability and strength, making them an excellent choice for handling the harsh conditions and high-pressure requirements of wastewater pumping stations. They have the ability to withstand the corrosive nature of wastewater and can resist damage caused by chemicals and other aggressive substances commonly found in wastewater. Additionally, steel pipes are available in various sizes and thicknesses, allowing for customization to meet the specific needs of the pumping station. Furthermore, steel pipes can be easily welded and joined together, ensuring a secure and leak-free system. Overall, steel pipes offer a reliable and long-lasting solution for wastewater pumping stations.
Q: Can steel pipes be used for underground drainage in acidic soils?
When considering underground drainage in acidic soils, it is important to take certain factors into account. The use of steel pipes can be suitable for this purpose, but there is a risk of corrosion over time which may weaken the pipes and potentially lead to failure. To minimize this risk, it is recommended to opt for galvanized steel pipes that have been treated with a protective coating to resist corrosion. Regular inspection and maintenance are also essential to promptly address any signs of corrosion or deterioration. Moreover, it is worth exploring alternative materials like PVC or HDPE pipes, which have greater resistance to corrosion in acidic environments. Ultimately, the choice of material should be based on a comprehensive evaluation of the soil conditions, expected lifespan of the drainage system, and budgetary constraints.
Q: How are steel pipes used in oil refineries?
Steel pipes are extensively used in oil refineries for various purposes such as transporting crude oil, refined products, and gases throughout the facility. They are used in the construction of pipelines, process equipment, and storage tanks, providing a reliable and durable solution for handling the vast quantities of liquids and gases involved in the refining process.

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