Schedule 20 Galvanized Steel Pipe

Schedule 20 Galvanized Pipe Supplier

 

As a leading Schedule 20 Galvanized Pipe Supplier, we provide high-quality thin-wall galvanized steel pipes, also known as Sch 20 galvanized pipe, light-duty galvanized pipe, and low-pressure galvanized tube, widely used in fencing, irrigation systems, structural support, and general fabrication. Our Schedule 20 galvanized pipes are manufactured according to ASTM A53 / ASTM A500 / BS EN 10240, with zinc coating options including hot-dip galvanized (HDG) and pre-galvanized (PG) to ensure long-term corrosion resistance. We supply a full range of sizes from 1/2" to 12", customized lengths, NPT/BSPT threading, and OEM fabrication services for global buyers. With stable production capacity, fast delivery, and strict quality assurance, we are your reliable partner for Schedule 20 galvanized steel pipe sourcing in the international market.

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High Quality

 

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Advanced Equipment

 

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Professional Team

 

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Custom Service

 

Schedule 20 steel pipe stands out prominently in a diverse array of industrial and construction applications, owing to its unique combination of robust strength and lightweight structural characteristics. This pipe variant is distinguished by its thinner wall thickness and consequently, lower overall weight compared to higher schedule grades like Schedule 40 galvanized steel pipe and Schedule 80 gi pipe.

The SCH20 pipe, also known as Schedule 20 pipe, is a type of steel pipe that adheres to specific dimensions and thickness standards. The SCH20 pipe dimensions refer to its outer diameter and wall thickness, which are critical factors in determining its performance and application. The wall thickness of SCH20 pipes is typically around 3.91mm, making it suitable for various low-pressure and low-temperature applications. Galvanized SCH20 pipes, or galvanized steel pipes with a Schedule 20 wall thickness, offer enhanced corrosion resistance due to the zinc coating. These pipes are often used in systems that convey non-corrosive media, such as water supply, HVAC, and irrigation systems. The galvanized finish also extends the lifespan of the pipes and reduces maintenance requirements. In summary, SCH20 galvanized steel pipes are a versatile and reliable choice for numerous industrial and commercial applications.

The combination of strength and lightweight nature of Schedule 20 steel pipe offers several advantages. Firstly, its reduced wall thickness allows for more efficient material utilization, making it an economical choice for projects where weight reduction is a priority. This feature is particularly beneficial in applications where the transport and installation of heavy materials are challenging or costly, such as in remote locations or structures with weight restrictions.

Moreover, the low weight and moderate wall thickness of Schedule 20 steel pipe are well-suited for systems that operate under low to average mechanical pressures. This makes it an ideal candidate for conveying low-pressure fluids and gases, such as those found in plumbing systems, irrigation networks, and certain types of industrial process piping. In these applications, the need for higher pressure tolerance is minimal, and the reduced wall thickness does not compromise the structural integrity of the pipe.

The cost-effectiveness of Schedule 20 steel pipe is another notable advantage, especially in scenarios where high-pressure tolerance or exposure to harsh environments is not required. This makes it an attractive option for budget-conscious projects that still require reliable and durable piping solutions. By opting for Schedule 20, project managers and engineers can achieve cost savings without sacrificing the performance and safety standards essential for successful project outcomes.

In summary, Schedule 20 steel pipe is a versatile and cost-effective material choice for a wide range of applications due to its combination of strength, lightweight structure, and moderate pressure capabilities. Its benefits extend to efficient material use, ease of transport and installation, and suitability for low-pressure fluid and gas transfer systems, making it a preferred option in various industrial and construction contexts.

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Schedule 20 steel pipe, due to its unique blend of strength, lightweight construction, and cost-effectiveness, finds a multitude of applications across various industries and sectors. Here are some notable scenarios where this type of pipe is commonly utilized:

 Plumbing Systems: In residential and commercial buildings, Schedule 20 steel pipe is often used for water distribution systems, including potable water supply lines and drainage systems. Its durability and resistance to corrosion make it a reliable choice for these applications.

 Irrigation Systems: Agricultural settings frequently employ Schedule 20 steel pipe for irrigation networks. Its lightweight nature simplifies installation and maintenance, while its strength ensures long-term performance even under varying weather conditions.

 Industrial Process Piping: Many industrial processes require the transfer of low-pressure fluids and gases. Schedule 20 steel pipe is well-suited for these applications due to its moderate pressure capabilities and cost-efficiency. Examples include chemical processing plants, refining operations, and food and beverage manufacturing.

 Fire Protection Systems: In fire sprinkler systems and other fire suppression measures, Schedule 20 steel pipe can be used for transporting water or other fire-quenching agents. Its robust construction ensures that it can withstand the rigors of emergency situations.

 HVAC Systems: Heating, ventilation, and air conditioning (HVAC) systems often incorporate Schedule 20 steel pipe for the distribution of air and refrigerants. Its lightweight and durable characteristics make it an excellent fit for these complex systems.

 Automotive and Aerospace Applications: Although less common in these highly specialized sectors, Schedule 20 steel pipe may be used in certain components where strength and weight reduction are critical, such as in fuel lines or hydraulic systems.

 Furniture and Fixtures: In the furniture industry, Schedule 20 steel pipe is sometimes used for constructing frames and supports due to its sturdy yet lightweight nature. This makes it an ideal choice for both indoor and outdoor furniture pieces.

 Structural Supports: In construction, Schedule 20 steel pipe can serve as structural supports in temporary or permanent setups, such as scaffolding, guardrails, and handrails.

In summary, Schedule 20 steel pipe's versatility and balance of properties make it a go-to material for a wide array of applications across diverse industries. Its durability, cost-effectiveness, and ease of handling contribute to its popularity in these various contexts.

Factory

 

 

Schedule 20 gi pipe factory

Xi'an Dongmeng Steel Co.,Ltd,

Schedule 20 gi pipe factory

Xi'an Dongmeng Steel Co.,Ltd,

Schedule 20 gi pipe factory

Xi'an Dongmeng Steel Co.,Ltd,

Schedule 20 gi pipe factory

Xi'an Dongmeng Steel Co.,Ltd,

Schedule 20 gi pipe factory

Xi'an Dongmeng Steel Co.,Ltd,

Schedule 20 gi pipe factory

Xi'an Dongmeng Steel Co.,Ltd,

Schedule 20 gi pipe factory

Xi'an Dongmeng Steel Co.,Ltd,

Schedule 20 gi pipe factory

Xi'an Dongmeng Steel Co.,Ltd,

 

 

 

 

Our Certificate

 

CPR

ISO9001

CE

 

 

How To Cooperate With Us?

Looking for a reliable manufacturer of Schedule 20 Galvanized Pipe with stable quality, fast delivery, and competitive export pricing?
We are here to support your project - from OEM customization to international logistics.

✔ Free Samples Available
✔ Mill Test Certificate (MTC) / SGS / BV / Third-Party Inspection
✔ Custom Sizes • Threading • Cutting • Hot-Dip / Pre-Galvanized Options
✔ 7×24 Technical Support for Global Buyers

Our address

Room 4107, Runfeng Building, Sanqiao New Street, Weiyang District, Xi'an City, Shaanxi Province

Phone Number

+86 15769214734

E-mail

office@dongmjd.com

1. What is Schedule 20 galvanized pipe?

Schedule 20 refers to a thin-wall pipe with a lower pressure rating compared to Sch 40 or Sch 80. When combined with hot-dip galvanizing, it offers corrosion-resistant performance suitable for low-pressure structural, fencing, and general fabrication applications.

2. Is Schedule 20 galvanized pipe suitable for water or gas lines?

It is mainly recommended for low-pressure water, irrigation, and non-critical fluid transport. For high-pressure applications, we recommend Schedule 40 or Schedule 80.

3. What coating type do you supply?

We offer:

Hot-Dip Galvanized (HDG) - thick zinc layer, outdoor use

Pre-Galvanized (PG) - uniform coating, cost-effective

Electro-galvanized (on request)

Zinc coating thickness follows ASTM A123 / A53 / BS EN 10240 standards.

4. Can I customize length or threading?

Yes. We support:

Custom length (1–12 meters)

NPT / BSPT thread

Grooving, drilling, punching, welding

Customized markings or logos

5. What material grades are available?

Common grades include Q195 / Q235 / Q345, ASTM A53 Grade A/B, ASTM A500, and EN S235/S275.

6. Do you provide quality inspection reports?

Yes. We provide:

MTC according to EN10204 3.1

SGS / BV / TUV inspection

Zinc coating test report & dimensional tolerance sheet

Hydrostatic / pressure test data (if required)

7. What is your minimum order quantity (MOQ)?

MOQ is 3 tons, but we also support small trial orders for new customers.

8. How do you ensure the zinc coating will not peel?

Our pipes are manufactured with:

Strict surface pretreatment

Fully automated hot-dip galvanizing lines

Continuous thickness monitoring
This provides strong adhesion and long-term corrosion resistance.

9. What is your delivery time?

In stock: 3–7 days

Customized: 10–25 days

Bulk orders: Negotiable based on schedule

10. Can you provide export packaging?

Yes. We offer:

Steel bundle + waterproof wrapping

Wooden pallets (optional)

Container loading & reinforcement
Ensuring safe delivery to USA, Middle East, Southeast Asia, Africa, and Europe.

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