Seamless black steel pipes for water gas
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 14000 m.t./month
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1、Structure of Seamless black steel pipes for water gas:
Seamless pipe is formed by drawing a solid billet over a piercing rod to create the hollow shell. 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 Seamless black steel pipes for water gas:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、Seamless black steel pipes for water gas Specification：
Standard | GB, DIN, ASTM ASTM A106-2006, ASTM A53-2007 |
Grade | 10#-45#, 16Mn 10#, 20#, 45#, 16Mn |
Thickness | 8 - 33 mm |
Section Shape | Round |
Outer Diameter | 133 - 219 mm |
Place of Origin | Shandong, 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.
4、Packaging & Delivery
Packaging Details: | seaworthy package,bundles wrapped with strong steel strip |
Delivery Detail: | 15-30days after received 30%TT |
5、FAQ of Seamless black steel pipes for water gas:
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.
③Why 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、Seamless Pipe ASTM A106/53Seamless black steel pipes for water gas
- Q: Which is more load-bearing, the same thickness of steel pipe and steel bar?
- The magnitude of the axial force acting on the steel member is only related to three factors, namely, the strength of the material, the sectional area of A and the longitudinal stability factor of F.
- Q: How do steel pipes handle extreme temperatures?
- Steel pipes are highly durable and can handle extreme temperatures due to their inherent strength and heat resistance. They have a high melting point, allowing them to withstand both very high and very low temperatures without compromising their structural integrity. Additionally, steel pipes have excellent thermal conductivity, which enables them to efficiently transfer heat and prevent damage caused by extreme temperature fluctuations.
- Q: Can steel pipes be used for plumbing?
- Yes, steel pipes can be used for plumbing. They are commonly used in commercial and industrial applications due to their durability and strength. However, they are less common in residential plumbing due to their higher cost and the availability of alternative materials such as copper and PVC.
- Q: What are the different types of steel pipe coatings for underground applications?
- There are several types of steel pipe coatings used for underground applications, including fusion bonded epoxy (FBE) coating, three-layer polyethylene (3LPE) coating, three-layer polypropylene (3LPP) coating, and coal tar enamel (CTE) coating. Each of these coatings provides different levels of protection against corrosion and abrasion, ensuring the longevity and durability of the steel pipes in underground environments.
- Q: What are the factors that affect the lifespan of steel pipes in different environments?
- The factors that affect the lifespan of steel pipes in different environments include the presence of corrosive substances, such as chemicals or saltwater, which can corrode the steel and lead to degradation over time. Other factors include temperature fluctuations, which can cause expansion and contraction of the steel, leading to stress and potential cracking. The quality of the protective coating on the pipes also plays a role, as a strong and durable coating can provide better resistance against corrosion and prolong the lifespan of the pipes. Additionally, the maintenance and regular inspection of the pipes, including cleaning and repairs, can help identify and address any issues early on, preventing further damage and extending their lifespan.
- Q: How are steel pipes inspected for defects?
- Steel pipes are typically inspected for defects using various non-destructive testing methods such as ultrasonic testing, magnetic particle inspection, and visual inspection. These techniques help identify any cracks, corrosion, or other defects in the pipes, ensuring their structural integrity and quality.
- Q: What is the creep resistance of steel pipes?
- The creep resistance of steel pipes refers to their ability to withstand deformation or elongation over time when subjected to high temperatures and constant stress. Steel pipes are known for their excellent creep resistance due to the inherent strength and stability of the material. The specific creep resistance of steel pipes can vary depending on factors such as the alloy composition, heat treatment, and the operating conditions they are exposed to. Creep is a phenomenon that occurs at elevated temperatures where materials slowly deform under constant stress. In the case of steel pipes, this can be a concern in applications where they are exposed to high temperatures for prolonged periods, such as in power plants, industrial furnaces, or steam pipelines. The resistance to creep deformation is crucial to ensure the structural integrity and longevity of the pipes. Steel pipes are often designed and manufactured with alloys that have high creep resistance properties, such as chromium-molybdenum (Cr-Mo) steels or nickel-based alloys. These alloys exhibit excellent mechanical strength, good thermal stability, and resistance to oxidation and corrosion, all of which contribute to their superior creep resistance. Furthermore, heat treatment processes like quenching and tempering can significantly enhance the creep resistance of steel pipes. These treatments involve controlled heating and cooling cycles that optimize the microstructure of the steel, increasing its resistance to deformation and improving its overall performance at high temperatures. It is important to note that the creep resistance of steel pipes is typically specified by industry standards and codes, such as the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code. These standards define the allowable stress levels and design criteria for various steel pipe applications, ensuring that they meet the required safety and performance standards. In summary, steel pipes are known for their excellent creep resistance due to their inherent strength, stability, and resistance to high temperatures. The specific creep resistance of steel pipes can vary depending on factors such as alloy composition, heat treatment, and operating conditions. Proper design and adherence to industry standards are crucial to ensuring the desired creep resistance and overall performance of steel pipes in various applications.
- Q: What is the difference between internal lining and external coating of steel pipes?
- The distinction between the internal lining and external coating of steel pipes can be found in their respective functions and locations. Internal lining serves as a safeguard for the inner surface of steel pipes, shielding it from corrosion, abrasion, and other forms of harm. It creates a barrier between the transported fluids or substances and the steel pipe, preventing direct contact and potential deterioration. The materials utilized for internal lining, such as epoxy, polyethylene, or cement mortar, are dependent on specific requirements and the nature of the substances being transported. The internal lining ensures the longevity and integrity of the steel pipe by reducing the risk of internal corrosion and contamination. On the other hand, external coating is applied to the outer surface of steel pipes. Its primary purpose is to provide protection against external factors such as weathering, soil corrosion, and mechanical damage. Acting as a shield, the external coating safeguards the steel pipe from environmental conditions like moisture, UV radiation, chemicals, and physical impact. Common materials used for external coatings include fusion-bonded epoxy, polyethylene, polypropylene, or bitumen. The selection of coating depends on factors such as exposure conditions, temperature, and the type of soil or surroundings the steel pipe will encounter. In summary, internal lining safeguards the inner surface of steel pipes from corrosion and damage caused by transported substances, while external coating acts as a barrier against external elements and physical stresses. Both internal lining and external coating play crucial roles in ensuring the durability and reliability of steel pipes in various applications, such as oil and gas pipelines, water supply systems, or industrial processes.
- Q: What steel pipes are buried for outdoor heating pipes? Seamless or welded tube? Are there any rules for specific countries? Can use the seamed tube?
- The pipe material of heating pipe network should be designed according to the requirement. When the design is not specified, the following requirements shall be met:1 when the pipe diameter is less than or equal to 40mm, welded steel pipe shall be used.2 when the pipe diameter is 50 ~ 200mm, welded steel pipe or seamless steel pipe shall be used.3 when the pipe diameter is greater than 200mm, spiral welded steel pipe shall be used.
- Q: How are steel pipes repaired if they develop leaks?
- Steel pipes can be repaired if they develop leaks through various methods such as welding, clamping, or using epoxy compounds. The specific repair technique depends on the size and location of the leak as well as the type of pipe, and it is typically carried out by trained professionals with the necessary equipment and expertise.
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Seamless black steel pipes for water gas
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 14000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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