Rectangular steel tube from cnbm okorder.com
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 20000 m.t./month
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1、Structure of Cold Finished Welded hollow Sections Grade: S355j2h En 10219size:100 X 100 X 6 M:
Black square&rectangular pipe welded pipe .factory steel ,ISO 9001
2、Main Features of Cold Finished Welded hollow Sections Grade: S355j2h En 10219size:100 X 100 X 6 M:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、Cold Finished Welded hollow Sections Grade: S355j2h En 10219size:100 X 100 X 6 MSpecification：
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 Cold Finished Welded hollow Sections Grade: S355j2h En 10219size:100 X 100 X 6 M:
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、Cold Finished Welded hollow Sections Grade: S355j2h En 10219size:100 X 100 X 6 M Images：
- Q: How do you inspect steel pipes for defects?
- There are several methods to inspect steel pipes for defects. One common approach is visual inspection, where trained professionals examine the surface of the pipes for visible defects such as cracks, corrosion, or deformities. Another method is ultrasonic testing, which involves using high-frequency sound waves to detect internal defects like wall thickness variations or cracks. Magnetic particle inspection is also commonly used, where the pipes are magnetized, and magnetic particles are applied to reveal surface defects. X-ray and radiographic inspections can be employed to detect internal defects as well. Ultimately, a combination of these methods is often utilized to ensure thorough inspection and identification of any defects in steel pipes.
- Q: How are steel pipes coated for protection?
- Steel pipes are commonly coated for protection using various methods such as galvanization, epoxy coating, and polyethylene wrapping. Galvanization involves immersing the pipes in a bath of molten zinc, forming a protective layer that prevents corrosion. Epoxy coating involves applying a layer of epoxy resin to the pipe surface, providing a barrier against moisture and chemicals. Polyethylene wrapping involves wrapping the pipes with a polyethylene material, offering insulation and protection against abrasion and corrosion. These coating methods ensure the longevity and durability of steel pipes, enhancing their resistance to environmental factors.
- Q: Is the PVC tube a plastic tube or a plastic tube?.
- PVC is actually a vinyl polymerization substance, whose material is a non crystalline material. Polyvinyl chloride (Poly, Vinyl, Chloride, PVC), it is obviously impossible to steel, we often say that iron and steel, the steel must be the main component of iron, Fe, inorganic. And PVC, polyvinyl chloride, is an organic substance. Therefore, PVC can not be called steel, and PVC constitutes a large number of substances, not confined to the pipe type.
- Q: What is the tensile strength of steel pipes?
- The grade and type of steel used can cause variation in the tensile strength of steel pipes. However, steel pipes generally possess a high tensile strength. Carbon steel pipes typically have a tensile strength range from 370 to 700 MPa, while alloy steel pipes can have a tensile strength range from 770 to 1200 MPa. These impressive tensile strengths enable steel pipes to withstand substantial pressure and stress, making them suitable for diverse applications in industries like construction, oil and gas, and automotive. It is important to recognize that factors like the manufacturing process, heat treatment, and the presence of defects or imperfections can also impact the tensile strength of steel pipes. Hence, it is recommended to consult the manufacturer's specifications or industry standards to determine the precise tensile strength of a specific steel pipe.
- Q: Can steel pipes be used for hydropower systems?
- Hydropower systems can indeed utilize steel pipes. For a variety of purposes in these systems, steel pipes are commonly employed, particularly for penstocks, which facilitate the transportation of water from a reservoir to a turbine. The strength, durability, and capacity to withstand high pressure and water flow make steel pipes a preferred option. Additionally, their resistance to corrosion ensures their suitability for long-term usage in hydropower systems. Moreover, the ease of welding or joining steel pipes enables flexibility in system design and installation. In summary, steel pipes are a dependable and extensively utilized alternative for hydropower systems.
- Q: How are steel pipes resistant to corrosion?
- Steel pipes are resistant to corrosion due to the protective layer formed on their surface. This layer, also known as a passive film, is created through the presence of chromium in the steel. It acts as a barrier, preventing oxygen and moisture from reaching the underlying metal, thus inhibiting the corrosion process. Additionally, steel pipes can also be coated with anti-corrosive materials like zinc or epoxy, providing an extra layer of protection against rust and other corrosive elements.
- Q: Difference between seamless steel pipe and welded pipe
- Seamless steel tubes are made of high quality carbon or alloy steel. They are hot-rolled and cold-rolled (drawn).The welded pipe is rolled into the steel tubular to sew or spiral seam welded in the manufacturing method, and is divided into low pressure fluid delivery with welded steel pipe, spiral welded steel pipe, welded steel pipe, welded pipe roll etc..
- Q: How are steel pipes insulated to prevent condensation?
- Steel pipes are typically insulated using materials such as foam or fiberglass that have low thermal conductivity. These insulating materials create a barrier that prevents the transfer of heat between the pipe and the surrounding environment, reducing the temperature difference and minimizing the chance of condensation occurring on the pipe surface.
- Q: Can steel pipes be used for underground gas storage?
- Certainly! Underground gas storage can indeed utilize steel pipes. Steel pipes are frequently employed in the transportation and storage of diverse gas varieties, such as natural gas, owing to their robustness, longevity, and ability to resist corrosion. These pipes can endure substantial pressures and can be tailored to meet the specific prerequisites of subterranean gas storage installations. Furthermore, materials can be applied to the surfaces of steel pipes, either as a coating or lining, to bolster their resistance to corrosion and avert any possible leaks. Nevertheless, it is crucial to ensure that the correct safety protocols and regulations are adhered to during the construction and operation of underground gas storage facilities to prevent any potential perils or hazards.
- Q: What are the common welding techniques used for steel pipes?
- The common welding techniques used for steel pipes include shielded metal arc welding (SMAW), gas tungsten arc welding (GTAW), gas metal arc welding (GMAW), and flux-cored arc welding (FCAW). These techniques are widely used in various industries for joining steel pipes due to their efficiency, reliability, and ability to produce strong and durable welds.
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Rectangular steel tube from cnbm okorder.com
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 20000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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