Spiral Welded Steel Pipe JIS, GB, DIN, ASTM Schedule 40
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 15000 m.t./month
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1、Structure of Welded Steel Tube:
We are company that have many years experience and professional manager team and engineer team and sales team, sure we will provide you high quality of pipe and professioanl service.Welded Steel Tube is formed by drawing a solid billet over a piercing rod to create the hollow shell. We are company that have many years experience and professional manager team and engineer team and sales team, sure we will provide you high quality of welded pipe and professioanl service. We aim to give your best service and hope to establish long-term business cooperation with you. Good quality and speedy delivery and patient after-sale service will help you make an easy purchase.
2、Main Features of the Welded Steel Tube:
• High manufacturing accuracy
• The higher strength
• The small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Satisfy price
3、Welded Steel Tube 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 Welded Steel Tube:
①How is the quality of your products?
Our products are strictly in accordance with international and domestic standard. We test on every pipe before delivery. Any quality certification or testing report you want to see, please tell us.
Guaranteed: If products’ quality is not in accordance with description as we provide or the promise before you place order, we promise 100% refund.
②How about the price?
Yes, we are factory and be capable of offering you the lowest price. One of our policy is that “ to save time and be absolutely honest with our business relationship, we quote as low as possible for every client, and discount can be given according to the quantity”, if you are interested in bargain and dissatisfy our factory price, just don’t waste your time. Our quotation is professional.
③Why should you choose us?
Choice happens because of our quality and price. Additionally, we can also offer professional products inquiry, products knowledge train (for agents), fast goods delivery, outstanding 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 OK.
6、 Welded Steel Tube Images：
- Q:What place must use galvanized steel pipe to make lighting line?
- Galvanized pipe for pipeline laying construction and transformation of lighting, power, telephone, fire protection system in the engineering (made of galvanized steel), for laying, laying can be laid in the dark, the wall can also be installed on the ceiling.
- Q:How do you determine the maximum allowable stress for steel pipes?
- To determine the maximum allowable stress for steel pipes, several factors need to be considered. These factors include the material properties of the steel, such as yield strength and ultimate tensile strength, as well as the intended use and operating conditions of the pipes. Standards and codes such as ASME B31.3 or API 5L provide guidelines and formulas to calculate the maximum allowable stress based on these factors. Additionally, industry experts and engineers use various testing methods and simulations to ensure the safety and integrity of steel pipes under different loads and environments.
- Q:What is the weight and strength of steel pipes?
- Steel pipes can vary in weight and strength depending on their dimensions and the specific grade of steel used. The weight of steel pipes is typically measured in pounds per foot or kilograms per meter. The strength of steel pipes is commonly measured in terms of its yield strength and ultimate tensile strength. The weight of steel pipes can range from a few pounds per foot for smaller sizes to several hundred pounds per foot for larger diameters and thicker walls. The weight is influenced by factors such as the pipe's outer diameter, wall thickness, and length. For example, a 1-inch diameter steel pipe with a wall thickness of 0.125 inches may weigh around 0.67 pounds per foot, while a 12-inch diameter steel pipe with a wall thickness of 0.5 inches can weigh around 142 pounds per foot. The strength of steel pipes is determined by the grade of steel used, which can vary depending on the application and specific requirements. Common grades of steel used for pipes include ASTM A53 for general-purpose applications, ASTM A106 for high-temperature service, and API 5L for oil and gas transportation. These grades have different yield strengths and ultimate tensile strengths. Yield strength refers to the amount of stress a steel pipe can withstand before it begins to deform plastically. It is usually measured in pounds per square inch (psi) or megapascals (MPa). For example, ASTM A53 Grade B steel pipe has a minimum yield strength of 35,000 psi (240 MPa), while API 5L Grade X65 steel pipe has a minimum yield strength of 65,000 psi (448 MPa). Ultimate tensile strength, on the other hand, is the maximum stress a steel pipe can withstand before it fractures. It is also measured in psi or MPa. For instance, ASTM A106 Grade B steel pipe has an ultimate tensile strength of 60,000 psi (415 MPa), whereas API 5L Grade X65 steel pipe has an ultimate tensile strength of 77,000 psi (531 MPa). In summary, the weight and strength of steel pipes can vary depending on their dimensions and the grade of steel used. The weight is influenced by factors such as the pipe's diameter, wall thickness, and length, while the strength is determined by the steel's yield strength and ultimate tensile strength.
- Q:What is the difference between steel pipe and round steel?
- Widely used in the manufacture of structural and mechanical parts, such as oil drilling pipe, automobile transmission shaft, bicycle frame and steel scaffolding used in construction. Making ring parts with steel tubes can improve data application rate, simplify manufacturing process, save data and work hours, such as rolling bearings, rings, Jack sleeves, etc., and have been widely used in steel pipe manufacture.
- Q:Are the welded and galvanized tubes the same weight?
- The same specifications of welded pipe and galvanized pipe weight is not the same, the general welding tube weight, galvanized pipe light.
- Q:Can steel pipes be used for conveying food and beverages?
- Steel pipes can be used for conveying food and beverages, but certain precautions need to be taken to ensure their safety and suitability for this purpose. Firstly, it is important to choose food-grade stainless steel pipes that are specifically designed for handling food and beverage products. These pipes are made from high-quality stainless steel that is resistant to corrosion and does not leach harmful substances into the food or beverage. Secondly, the pipes should be properly cleaned and sanitized before and after each use to maintain hygiene standards. Regular cleaning and maintenance will prevent the accumulation of bacteria or contaminants that could potentially contaminate the food or beverage being transported. Additionally, it is crucial to consider the compatibility of the food or beverage with the steel pipes. Certain acidic or corrosive substances may react with the steel, causing contamination or compromising the integrity of the pipes. In such cases, alternative materials like food-grade plastic or rubber may be more suitable. Overall, steel pipes can be used for conveying food and beverages, but it is essential to ensure the use of food-grade stainless steel pipes, proper cleaning and sanitization, and compatibility with the specific food or beverage being transported. Following these guidelines will help maintain the safety and quality of the food or beverage during transportation.
- Q:How are steel pipes classified based on their diameter?
- Various categories exist for classifying steel pipes based on their diameter. The most commonly used classification system for steel pipes is the nominal pipe size (NPS), which is a set of standard sizes in North America that designate the diameter of the pipe. The NPS is expressed in inches and represents the approximate inside diameter (ID) of the pipe. Steel pipes can be divided into three main categories based on their diameter: small bore, medium bore, and large bore. Small bore pipes have an NPS of 2 inches and below, medium bore pipes have an NPS between 2 and 24 inches, and large bore pipes have an NPS greater than 24 inches. In addition to the NPS classification, steel pipes can also be classified based on their actual outside diameter (OD). This classification is used to determine the compatibility of pipes with fittings and other components. The OD classification is typically expressed in inches or millimeters. Overall, the diameter-based classification of steel pipes provides a standardized system that facilitates the easy identification and selection of pipes for various applications. It ensures compatibility and enables the efficient installation and effective functioning of piping systems in industries such as construction, oil and gas, plumbing, and more.
- Q:What is the difference between steel pipes and concrete pipes?
- The main difference between steel pipes and concrete pipes lies in their composition and physical properties. Steel pipes are made from a combination of iron and carbon, which makes them strong, durable, and resistant to corrosion. Concrete pipes, on the other hand, are made from a mixture of cement, sand, and aggregates, giving them a solid structure and high compressive strength. In terms of installation, steel pipes are typically lighter and easier to handle, making them more convenient for transportation and installation. Concrete pipes, due to their weight and bulkiness, require heavy machinery or specialized equipment for handling and placement. Additionally, steel pipes have a smooth interior surface, which allows for efficient fluid flow and minimizes friction. Concrete pipes, on the contrary, have a rougher interior surface that can cause friction and impede the flow of fluids. When it comes to cost, steel pipes tend to be more expensive than concrete pipes, primarily due to the higher cost of raw materials and manufacturing processes involved. Both steel and concrete pipes have their specific applications and advantages. Steel pipes are commonly used in industries such as oil and gas, water supply, and construction, where strength and durability are crucial. Concrete pipes are often used in sewer systems, stormwater drainage, and culverts, where their high load-bearing capacity and resistance to chemical erosion make them suitable options.
- Q:What are the different methods of pipe repair for steel pipes?
- There are several methods for repairing steel pipes, including spot repair, slip lining, pipe bursting, and pipe relining. Spot repair involves cutting out and replacing a small section of the damaged pipe. Slip lining involves inserting a smaller diameter pipe into the existing pipe to reinforce it. Pipe bursting involves breaking the old pipe while simultaneously installing a new one. Pipe relining involves inserting a liner into the damaged pipe and then curing it in place to create a new, seamless pipe within the existing one. The choice of method depends on the extent and location of the damage, as well as budget and time constraints.
- Q:How do steel pipes perform in marine environments?
- Steel pipes perform well in marine environments due to their high corrosion resistance. They are typically coated with protective layers such as zinc or epoxy, which further enhance their ability to withstand the harsh conditions of saltwater, waves, and constant exposure to moisture. These pipes are capable of withstanding the corrosive effects of seawater, making them reliable for various applications like offshore oil rigs, shipbuilding, and coastal infrastructure.
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Spiral Welded Steel Pipe JIS, GB, DIN, ASTM Schedule 40
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 15000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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