• 1/2-4" GALVANIZED PIPE 200g SEAMLESS/WELDED A53 System 1
  • 1/2-4" GALVANIZED PIPE 200g SEAMLESS/WELDED A53 System 2
1/2-4" GALVANIZED PIPE 200g SEAMLESS/WELDED A53

1/2-4" GALVANIZED PIPE 200g SEAMLESS/WELDED A53

Ref Price:
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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
10 m.t.
Supply Capability:
10000 m.t./month

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1Structure of Seamless Pipe: 

Seamless pipe is made with solid bar or steel ingot by perforating machine. There is a hollow section and no seam around it. As the manufacture process does not include any welding, seamless pipes are stronger and more durable. Generally speaking, seamless pipe has better pressure resistance and security than other classifications, and was usually more easily available than welded pipe. 

 

2‍‍Main Features of the Seamless Pipe:

High working accuracy

High strength

Small inertia resistance

Strong therming dissipine ability

Good appearance

Reasonble price

 

3Seamless Pipe 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) Executive 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. 

 

 

4Packaging & Delivery:

Packaging Details:

seaworthy package, bundles wrapped with strong steel strip

Delivery Detail:

15-30days after received 30%TT

 

5FAQ of Seamless Pipe:  

How is the quality of your products?
     We have many years business experience in this area, and we have professional engineer and manager team and sure we can provide you high quality production and professional service. 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.

How 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.

Why should you chose us?
    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.

 

6‍‍Seamless Pipe Images ‍‍

 

 

 

 

Q:What are the different types of steel coatings used for pipes?
There are several types of steel coatings used for pipes, including epoxy, polyethylene, polypropylene, and fusion bonded epoxy (FBE) coatings. Each of these coatings provides different levels of corrosion resistance and protection, making them suitable for various applications and environmental conditions.
Q:How are steel pipes tested for strength and durability?
Steel pipes are tested for strength and durability through various methods, including destructive and non-destructive testing. Destructive testing involves subjecting the pipes to intense pressure or impact to determine their breaking point, while non-destructive testing methods, such as ultrasonic or magnetic particle testing, are used to detect any internal or surface defects that may compromise their strength and durability. These tests ensure that steel pipes meet the required standards and can withstand the intended usage conditions.
Q:Can steel pipes be used for water supply networks?
Yes, steel pipes can be used for water supply networks. Steel pipes are commonly used in water supply systems due to their durability, strength, and resistance to corrosion. They are able to withstand high pressure and can safely transport water over long distances. Additionally, steel pipes are highly versatile and can be easily connected, making them suitable for various water supply network applications.
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 tested for mechanical strength?
Steel pipes are typically tested for mechanical strength through various destructive and non-destructive testing methods. Destructive tests involve subjecting the pipes to tension, compression, or bending forces until failure occurs, allowing the measurement of their ultimate tensile strength, yield strength, and elongation. Non-destructive tests, such as ultrasonic testing, magnetic particle inspection, or radiographic examination, are also conducted to detect any internal or surface defects that may affect the mechanical strength of the pipes. These tests ensure that steel pipes meet the required standards and specifications in terms of their mechanical strength.
Q:Are steel pipes suitable for hydronic heating systems?
Yes, steel pipes are suitable for hydronic heating systems. Steel pipes are known for their durability, strength, and resistance to high temperatures and pressure, making them an excellent choice for circulating hot water in hydronic heating systems. They can effectively handle the demands of heating systems and provide reliable and long-lasting performance.
Q:How are steel pipes used in the construction of tunnels?
Steel pipes are used in the construction of tunnels for various purposes such as drainage, ventilation, and transportation of utilities. They provide structural support, ensuring stability and strength, while also allowing for the efficient flow of water, air, and other essential resources within the tunnel.
Q:What is the difference between steel pipes and PVC-M pipes?
Steel pipes are made from a strong and durable material, steel, and are commonly used for carrying high-pressure fluids or in industrial applications. On the other hand, PVC-M pipes are made of a plastic material called polyvinyl chloride modified, which offers good flexibility and resistance to corrosion. PVC-M pipes are typically used in low-pressure applications such as domestic plumbing, irrigation, or drainage systems.
Q:Can stainless steel pipes spray black paint?
Stainless steel pipes can spray black paint.The stainless steel surface with a layer of smooth surface, so the painting before the need to use corner grinder or iron brush to paint out into hair and then paint. Otherwise, spray paint can not be adhered to the surface of the stainless steel pipe.
Q:How are steel pipes graded?
The quality and suitability of steel pipes are determined by grading them based on several factors. The grading system typically takes into account parameters such as the chemical composition, mechanical properties, manufacturing method, and testing standards. 1. When it comes to the chemical composition, steel pipes are graded according to the elements present in their composition. This includes the quantities of carbon, manganese, phosphorus, sulfur, and other alloying elements. The pipe's strength, corrosion resistance, and other properties are greatly influenced by its chemical composition. 2. The mechanical properties of steel pipes play a crucial role in determining their strength, flexibility, and resistance to pressure and temperature. These properties encompass tensile strength, yield strength, elongation, hardness, and impact toughness. Pipes with higher mechanical properties are generally given higher grades. 3. The manufacturing method used for steel pipes can vary, with options such as seamless, welded, or ERW (Electric Resistance Welding). The manufacturing method has an impact on the pipe's integrity, dimensional accuracy, and overall quality. For example, seamless pipes are considered to be of higher quality due to their uniformity and lack of weld seams. 4. 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). Taking these factors into consideration, steel pipes are often assigned alphanumeric codes or specifications for grading. For instance, pipes used in the oil and gas industry may be graded as API 5L (American Petroleum Institute), while pipes used for structural purposes may be graded as ASTM A500 (American Society for Testing and Materials). In conclusion, the grading of steel pipes is determined by their chemical composition, mechanical properties, manufacturing method, and adherence to testing standards. These grades assist customers and manufacturers in selecting the appropriate pipes for specific applications, ensuring safety, durability, and efficiency across various industries.

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