Carbon Steel Pipe
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Carbon Steel Pipe | Seamless & ERW Steel Pipe Supplier for Industrial Applications
Carbon steel pipes are widely used in oil and gas transportation, water transmission, construction, infrastructure, machinery manufacturing, and industrial processing systems. Known for their excellent mechanical strength, pressure resistance, weldability, and cost efficiency, carbon steel pipes remain one of the most versatile piping solutions across global industries.
Zhongtang supplies a comprehensive range of seamless and welded carbon steel pipes manufactured according to ASTM, API, EN, DIN, JIS, and GB standards. Custom dimensions, coatings, and processing services are available to meet project-specific requirements.
Available Carbon Steel Pipe Grades
| Standard | Grade | Application |
| ASTM | A53 Grade A/B | General Structural & Fluid Transport |
| ASTM | A106 Grade B/C | High Temperature Service |
| API | API 5L Grade B | Oil & Gas Pipelines |
| EN | S235JR | Structural Applications |
| DIN | ST37 | General Engineering |
| GB | Q235B | Construction & Fabrication |
| GB | Q345B | High Strength Structures |
Product Specifications
| Product Name | Carbon Steel Pipe |
| Pipe Type | Seamless Pipe / ERW Pipe / Welded Pipe |
| Outer Diameter | 21.3mm – 1219mm (1/2″ – 48″) |
| Wall Thickness | SCH10, SCH20, SCH40, SCH80, SCH160 |
| Length | 6m, 12m, or Customized |
| Ends | Plain End, Beveled End, Threaded End |
| Surface | Black, Galvanized, Painted, Epoxy Coated |
| Standards | ASTM, API, EN, DIN, JIS, GB |
Seamless Pipe vs ERW Pipe
| Type | Advantages | Typical Applications |
| Seamless Pipe | Higher pressure resistance, superior mechanical performance | Oil & Gas, Boilers, High-Pressure Systems |
| ERW Pipe | Cost-effective, dimensional accuracy, fast production | Construction, Water Systems, Structural Applications |
Key Features
- Excellent pressure-bearing capability.
- High structural strength and durability.
- Good weldability and fabrication performance.
- Available in multiple international standards.
- Suitable for harsh industrial environments.
- Custom coatings available for enhanced corrosion resistance.
Applications
Oil & Gas Industry
- Pipeline transmission systems
- Oil field gathering systems
- Refinery facilities
- Natural gas transportation
Construction Industry
- Structural columns
- Foundation piling
- Steel frameworks
- Scaffolding systems
Water & Utility Projects
- Municipal water supply
- Wastewater treatment plants
- Irrigation systems
- Firefighting pipelines
Industrial Manufacturing
- Machinery production
- Pressure vessels
- Heat exchangers
- Compressed air systems
Available Processing Services
- Pipe cutting to custom lengths
- Threading and coupling
- Grooving
- Galvanizing
- Epoxy coating
- Pipe end preparation
- Custom marking and labeling
Packaging & Shipping
- Steel strip bundled packaging
- Plastic caps for pipe ends
- Waterproof export packing
- Container and break bulk shipping
- Customized export packaging available
Why Choose Zhongtang Carbon Steel Pipe?
- Multiple grades available from stock.
- Flexible MOQ for distributors and project buyers.
- Third-party inspection services supported.
- Mill Test Certificates (MTC) available.
- Export experience across Middle East, Africa, Southeast Asia, and South America.
- Fast quotation and technical support.
Frequently Asked Questions
What is the difference between ASTM A53 and ASTM A106 pipe?
ASTM A53 is commonly used for structural and low-pressure applications, while ASTM A106 is designed for high-temperature and high-pressure service conditions.
Which carbon steel pipe is suitable for oil and gas pipelines?
API 5L Grade B and higher API grades are commonly used for oil and gas transmission systems.
Can carbon steel pipes be galvanized?
Yes. Hot-dip galvanizing is widely used to improve corrosion resistance for outdoor and water transportation applications.
Do you provide custom pipe lengths?
Yes. We provide cutting and processing services according to project requirements.
Can you supply Mill Test Certificates?
Yes. EN 10204 3.1 MTC and third-party inspection reports are available upon request.
Related Products
- Seamless Steel Pipe
- ERW Steel Pipe
- Galvanized Steel Pipe
- Carbon Steel Plate
- Carbon Steel Coil
- Steel Hollow Sections
Request a Quote
Looking for a reliable carbon steel pipe supplier? Contact our sales team for pricing, technical specifications, lead times, and customized project solutions.
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FAQ
How long does it usually take for me to receive a reply when I send an inquiry?
In general, there are several situations for sending an inquiry:
1. Beijing time 8:30-18:00: We will wait for the website, reply within 15s after receiving your information, and assign a special person to follow up your needs one-on-one, and respond to your specific needs within 24 hours offer.
2. Beijing time 18:00-8:30: We will have someone on duty, assign a special person to follow up your needs one-on-one within 1 hour after receiving your information, and quote your specific needs within 24 hours.
3. Weekends: Within 6 hours, assign a special person to follow up your needs one-on-one, and quote your specific needs within 48 hours.
If you do not hear back within the expected time, please wait a little, they may have experienced delays, or your inquiry may have been inadvertently missed. In such cases, contacting again will help ensure that your inquiry receives the attention it deserves.
What payment methods do you support?
Q: What payment methods do you support?
A: We support a variety of payment methods to ensure convenience and flexibility for our customers. Some of the payment methods we offer include:
1. Letter of credit (LC):issued by the bank on behalf of the buyer, as a payment guarantee
2.Telegraphic transfer payment（TT）: The buyer needs to pay the seller an advance payment of 25%-35% of the total purchase amount by wire transfer
Are you Factory？
Q: Do you have your own steel production workshop?
A: Yes, we have our own steel production workshop equipped with modern mechanical equipment.
Q: What type of steel can your workshop produce?
A: Our workshop is capable of producing a wide range of steel products, including structural steel beams, columns, panels, tubes and various custom components.
Q: What materials do you use for your steel production?
A: We mainly use high-quality carbon steel, stainless steel and alloy steel. The specific materials used depend on the customer’s requirements and specifications.
Q: Can you handle small and large steel production orders?
A: Yes, our production shop is able to handle orders of all sizes, from small custom projects to large-scale industrial production.
Q: Is your production process environmentally friendly?
A: Yes, we adhere to strict environmental standards and regulations during the production process. We ensure proper waste management and utilize energy saving practices to minimize our carbon footprint.
Q: Can you provide certification and documents for your steel products?
Answer: Of course. We provide all necessary certificates including material test reports, certificates of compliance and other relevant documents to ensure the quality and compliance of our steel products.
Q: How to guarantee the quality of your steel products?
A: Our steel production workshop follows strict quality control measures throughout the manufacturing process. We conduct regular inspections, material tests and dimensional checks to maintain consistent quality.
Q: Do you offer customized options for steel products?
A: Yes, we understand that different projects may require specific dimensions or design specifications. We offer custom options to meet the unique needs of our customers.
Q: What is the turnaround time for steel production orders?
A: Turnaround time depends on the complexity and size of the order. We strive to provide realistic delivery estimates and ensure projects are completed on time.
Q: How can I get a quote for my steel production requirements?
A: You can contact our sales team by phone or email. Provide us with details of your project including specifications, quantities and any customization requirements and we will be happy to provide you with a quotation.
How to guarantee the quality of the goods?
Q1：How to guarantee the quality of the goods?
A: Always a pre-production sample before mass production, always final inspection before shipment.
Q2：How can I get a quote?
A: Please provide the specifications of the required products, such as material, size, shape, etc. It is convenient for us to offer the best quotation.
What are your company’s strengths?
Q: What are your company’s strengths?
A:There are several reasons why our company is the first choice of our clients. Firstly, our unwavering commitment to quality means that our customers can always rely on us to deliver exceptional products and services. Secondly, our team of professionals has the experience and expertise to provide our clients with the utmost professionalism and peace of mind. We are committed to building lasting relationships with our customers based on trust and reliability. Finally, we are committed to continuous improvement to meet the changing needs of our clients.
What Can You Buy From Us?
1.Q: What products do you offer for purchase?
A: We provide a variety of products for purchase, including but not limited to aluminum plate, aluminum coil, aluminum foil, copper, brass, carbon steel, stainless steel, etc., as well as profiles, tinplate and other products. We also provide customized services. If you have products that need to be customized, you can also contact us.
2.Q: Are your products of high quality?
A: Yes, we prioritize quality for all our products. Our team follows strict quality control measures to ensure that our customers receive products that meet their expectations. We strive to maintain high quality standards at all stages of production, from raw material procurement to final packaging.
How can I get a quote？
Q: How can I get a quote？
A: If you want to get our steel quotation, you can contact our sales department and provide the steel model, specification, quantity and other information you need, and we will provide you with a detailed quotation as soon as possible. At the same time, we can also customize production according to your needs to meet your special needs.
Q: What is your packaging method?
A: Our packaging methods are determined based on customer needs and product characteristics. Generally speaking, we will customize the packaging according to the customer’s requirements to meet the customer’s needs. At the same time, we will also choose suitable packaging methods based on the characteristics of the product and transportation requirements to ensure that the product will not be damaged or deformed during transportation. Our packaging materials and methods comply with international standards to ensure product quality and safety.
What kind of services can our company provide you?
Our company can provide you with the following services:
Product selection and consulting: We can provide professional steel selection and consulting services based on your needs and project requirements to ensure that you choose the right steel product.
Price competitiveness: We have established long-term cooperative relationships with many steel manufacturers and suppliers and can provide competitive prices to help you save costs.
Inventory management: We have a large inventory of steel products to meet your immediate needs, and we also provide inventory management services to ensure that your inventory can be replenished and adjusted in a timely manner.
Fast delivery: We cooperate with multiple logistics companies to ensure that steel products are delivered to your designated location in a timely and safe manner, helping you complete your project on time.
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