Welded Black ERW Steel Pipe Q235B Scaffolding Pipe
- Ref Price:
-
- 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：
- Q: How do you determine the required support spacing for steel pipes?
- Various factors, including the diameter of the pipe, the strength of the material, the operating conditions, and local building codes and regulations, determine the required support spacing for steel pipes. When considering the diameter of the pipe, it is crucial to note that larger pipes generally need more frequent support to prevent excessive deflection and sagging compared to smaller pipes. The strength of the material is also a significant consideration, as pipes with greater strength can span longer distances without requiring additional support. The operating conditions of the pipe, such as the type of fluid being transported and the temperature, also play a role in determining the necessary support spacing. For instance, pipes carrying heavy or corrosive fluids may require more frequent support to prevent excessive stress and potential failure. Local building codes and regulations often provide specific guidelines for the minimum support spacing of steel pipes. These regulations take into account factors such as the diameter of the pipe, the strength of the material, the operating conditions, as well as safety and structural requirements. To accurately determine the required support spacing for steel pipes, it is essential to consult relevant codes, standards, and engineering guidelines. Additionally, working with qualified engineers and professionals experienced in pipe design and installation will ensure that the support spacing meets all necessary requirements, ensuring the safe and efficient operation of the piping system.
- Q: What is the standard length of steel pipes?
- The standard length of steel pipes varies depending on the industry and application. However, common standard lengths for steel pipes range from 18 to 22 feet, with some variations based on specific requirements or international standards.
- Q: How are steel pipes used in the construction of natural gas power plants?
- Steel pipes are used in the construction of natural gas power plants primarily for transporting and distributing the fuel. These pipes are used to transport natural gas from the source to various components within the power plant, such as turbines and generators, for efficient combustion. Additionally, steel pipes are also used for cooling systems, waste gas removal, and other crucial functions in the overall construction and operation of natural gas power plants.
- Q: What are the common problems or issues faced with steel pipes?
- Common problems or issues faced with steel pipes include corrosion, leakage, cracking, and scaling. Corrosion can occur due to exposure to moisture, chemicals, or environmental factors, leading to reduced structural integrity and potential leaks. Leakage can result from faulty welds, damaged seals, or pipe degradation. Cracking can occur due to excessive stress, temperature fluctuations, or manufacturing defects, compromising the pipe's strength. Scaling or buildup of mineral deposits can also restrict flow and affect performance. Regular inspection, maintenance, and proper coating or lining can help mitigate these issues.
- Q: What are the different types of steel pipe flanges?
- There are several types of steel pipe flanges, including slip-on flanges, weld neck flanges, socket weld flanges, threaded flanges, blind flanges, and lap joint flanges. Each type has unique features and is used in specific applications based on factors such as pressure ratings, pipe size, and end connections.
- Q: Can steel pipes be used for sewage and wastewater systems?
- Yes, steel pipes can be used for sewage and wastewater systems. Steel pipes are durable, strong, and resistant to corrosion, making them suitable for transporting sewage and wastewater. They are commonly used in various industrial and municipal applications due to their ability to withstand high pressure and provide long-lasting performance.
- Q: Can steel pipes be used for chemical processing plants?
- Yes, steel pipes can be used for chemical processing plants. Steel pipes have excellent strength, durability, and resistance to corrosion, making them suitable for transporting various chemicals and fluids in a chemical processing plant. Additionally, steel pipes can withstand high temperatures and pressures, ensuring safe and efficient operations in such industrial settings.
- Q: Hot galvanized steel pipe for use?
- 1, galvanized layer uniformity: steel pipe sample in copper sulfate solution immersion 5 times continuously, must not turn red (copper plated)2, surface quality: galvanized steel pipe surface should be complete galvanized layer, must not have plating on the black spots and bubbles exist, allow little rough surface and local zinc tumor exists.3, galvanized layer weight: according to the requirements of the buyer, galvanized steel pipe can be used for zinc layer weight determination, its average value should be not less than 500g/ square meters, and any sample shall not be less than 480g/ square meters.
- Q: How are steel pipes protected from corrosion in corrosive environments?
- Steel pipes are protected from corrosion in corrosive environments through various methods such as applying protective coatings, using cathodic protection systems, and implementing corrosion inhibitors.
- Q: How are steel pipes insulated to prevent heat loss?
- Steel pipes are typically insulated to prevent heat loss by wrapping them with insulation materials such as mineral wool, fiberglass, or foam. These insulation materials provide a barrier that traps heat within the pipes, preventing it from being lost to the surrounding environment. Additionally, pipes may also be covered with an outer protective layer, such as aluminum or PVC, to further enhance insulation and protect against external elements.
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Welded Black ERW Steel Pipe Q235B Scaffolding Pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 27 m.t.
- Supply Capability:
- 6000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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