• Welded pipe/building materials/ hollow section System 1
  • Welded pipe/building materials/ hollow section System 2
  • Welded pipe/building materials/ hollow section System 3
  • Welded pipe/building materials/ hollow section System 4
Welded pipe/building materials/ hollow section

Welded pipe/building materials/ hollow section

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
25 m.t.
Supply Capability:
8000 m.t./month

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1、Structure of Welded pipe API D-IN103: 

Welded 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 Welded pipe was regarded as withstanding pressure better than other types, and was often more easily available than welded pipe.

 

2、‍‍Main Features of the Welded pipe API D-IN103:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3、Welded pipe API D-IN103 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 pipe API D-IN103:  

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.We have professional engineer and sales manger team and sure we will provide you best services.

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、Welded pipe API D-IN103 Images: ‍‍

Q: What are the different methods of transporting steel pipes?
There are several methods of transporting steel pipes, including by truck, rail, ship, and pipeline. Each method has its advantages and is chosen based on factors such as distance, cost, and accessibility. Trucks are commonly used for shorter distances or when the delivery location is not easily accessible by other means. Rail transport is efficient for long distances and can handle large quantities of steel pipes. Shipping by sea is ideal for international shipments or when the destination is located near a port. Lastly, pipelines are used for transporting steel pipes for oil and gas industries, as they provide a direct and continuous flow.
Q: How are steel pipes graded?
Steel pipes are graded based on several factors to determine their quality and suitability for specific applications. The grading system for steel pipes typically includes parameters such as the chemical composition, mechanical properties, manufacturing method, and testing standards. 1. Chemical composition: Steel pipes are graded based on the elements present in their composition. This includes the amount of carbon, manganese, phosphorus, sulfur, and other alloying elements. The chemical composition greatly influences the pipe's strength, corrosion resistance, and other properties. 2. Mechanical properties: The mechanical properties of steel pipes are crucial for determining their strength, flexibility, and resistance to pressure and temperature. These properties include tensile strength, yield strength, elongation, hardness, and impact toughness. Pipes with higher mechanical properties are generally graded higher. 3. Manufacturing method: Steel pipes can be manufactured using various methods, such as seamless, welded, or ERW (Electric Resistance Welding). The manufacturing method affects the pipe's integrity, dimensional accuracy, and overall quality. Seamless pipes, for example, are considered to have higher quality due to their uniformity and absence of weld seams. 4. Testing standards: Steel pipes are graded based on their adherence to specific testing standards. These standards ensure that the pipes meet the required quality criteria and are suitable for their intended applications. Common testing standards include ASTM (American Society for Testing and Materials), API (American Petroleum Institute), and EN (European Norms). Based on these factors, steel pipes are often graded using alphanumeric codes or specifications. For instance, pipes used in oil and gas industry may be graded as API 5L (American Petroleum Institute) or pipes used for structural purposes may be graded as ASTM A500 (American Society for Testing and Materials). In conclusion, steel pipes are graded based on their chemical composition, mechanical properties, manufacturing method, and adherence to testing standards. These grades help customers and manufacturers in selecting the appropriate pipes for specific applications, ensuring safety, durability, and efficiency in various industries.
Q: How are steel pipes used in hydroelectric power plants?
Steel pipes are used in hydroelectric power plants to transport water from the reservoir to the turbines. These pipes are able to withstand high pressure and ensure a reliable flow of water, which is crucial for the efficient operation of the turbines. Additionally, steel pipes are also used for the construction of penstocks, which control the flow of water and direct it towards the turbines.
Q: Are steel pipes suitable for structural applications?
Yes, steel pipes are suitable for structural applications due to their high strength, durability, and versatility. They are commonly used in various construction projects such as buildings, bridges, and infrastructure due to their ability to bear heavy loads, resist corrosion, and withstand extreme weather conditions.
Q: Can steel pipes be used for irrigation systems?
Yes, steel pipes can be used for irrigation systems. Steel pipes are known for their durability, strength, and resistance to corrosion, making them suitable for use in irrigation systems where they may be exposed to water and various environmental conditions. Additionally, steel pipes can handle high water pressure and are available in different sizes, allowing for efficient water distribution throughout the irrigation system.
Q: What is the role of steel pipes in sewage systems?
Steel pipes play a crucial role in sewage systems as they are used to transport wastewater and sewage from various sources to treatment plants or disposal areas. Their strength, durability, and resistance to corrosion make them ideal for handling the often harsh and corrosive nature of sewage. Additionally, steel pipes can withstand high pressures and provide a reliable and long-lasting solution for sewage transportation, ensuring the efficient and safe functioning of sewage systems.
Q: What are the advantages of using steel pipes in the manufacturing of appliances?
There are several advantages of using steel pipes in the manufacturing of appliances. Firstly, steel pipes are extremely durable and can withstand high pressures, making them ideal for applications that require strength and resilience. Secondly, steel pipes have excellent corrosion resistance, ensuring that the appliances will last longer without succumbing to rust or degradation. Additionally, steel pipes have a smooth interior surface, which minimizes friction and allows for efficient flow of fluids or gases within the appliances. Lastly, steel pipes are readily available and cost-effective, making them a practical choice for appliance manufacturers.
Q: How do steel pipes perform in earthquake-prone regions?
Steel pipes perform well in earthquake-prone regions due to their high strength and ductility. They are capable of flexing and absorbing seismic energy, reducing the risk of catastrophic failure. Additionally, steel pipes can be designed with proper reinforcement to withstand ground movements, making them a reliable choice for infrastructure in earthquake-prone areas.
Q: How are steel pipes used in the food and beverage industry?
Steel pipes are commonly used in the food and beverage industry for various applications such as transporting liquids and gases, including water, beverages, and food ingredients. They are chosen for their durability, resistance to corrosion, and ability to maintain hygiene standards. Steel pipes are used to facilitate the flow of materials throughout the production process, ensuring safe and efficient operations in the food and beverage industry.
Q: Can steel pipes be used for paper mills?
Yes, steel pipes can be used for paper mills. Steel pipes are commonly used in paper mills for various purposes such as transporting fluids, chemicals, and steam within the facility. They are known for their durability, strength, and resistance to corrosion, making them suitable for the harsh conditions and high-pressure requirements of paper mill operations.

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