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Home > Metallurgy, Mineral & Energy > Steel & Products > Steel Pipe & Tube > Seamless Carbon Steel Pipe, Galvanized, for Oil & Gas and Structural Use, Hot Rolled Black Finish

Seamless Carbon Steel Pipe, Galvanized, for Oil & Gas and Structural Use, Hot Rolled Black Finish

Seamless Carbon Steel Pipe, Galvanized, for Oil & Gas and Structural Use, Hot Rolled Black Finish thumbnail-3

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Seamless Carbon Steel Pipe, Galvanized, for Oil & Gas and Structural Use, Hot Rolled Black Finish photo-3

Seamless Carbon Steel Pipe, Galvanized, for Oil & Gas and Structural Use, Hot Rolled Black Finish photo-4

Seamless Carbon Steel Pipe, Galvanized, for Oil & Gas and Structural Use, Hot Rolled Black Finish photo-5

Product Spotlights

Seamless carbon steel pipes in galvanized or hot-rolled black finish. Ideal for high-pressure oil & gas and structural applications. Offers superior strength, corrosion resistance, and no weld seam weakness. Manufactured to API/ASTM standards with customizable sizes. Ensures safety, durability, and cost-efficiency for global infrastructure projects.

Negotiable MOQ: 100 Kilograms (Price negotiable depending on order volume and customization)

Key Specifications

Get Latest Price

Material:

Carbon Steel

Finish:

Galvanized, Hot Rolled Black

Application:

Oil & Gas Pipelines, Structural Support

Contact Supplier Request Quote Chat Now

Wuxi Yansheng Technology Co., Ltd.

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

shanghai

Delivery Detail:

15 days

Product Details
Company Profile
Contact Us

Material Carbon Steel

Finish Galvanized, Hot Rolled Black

Application Oil & Gas Pipelines, Structural Support

Manufacturing Process Seamless, Hot Rolling

Standard API 5L, ASTM A53, ASTM A106

Size Range 1/2“ to 24“ NPS (Customizable)

Wall Thickness SCH 40, SCH 80, STD, XS, XXS (Available)

Coating Zinc Galvanized Coating (Optional)

As a leading manufacturer, Wuxi Yansheng Technology Co., Ltd. specializes in producing high-performance seamless carbon steel pipes, expertly finished with galvanized coating or a durable hot-rolled black finish. Our pipes are engineered to meet the rigorous demands of the oil & gas industry and heavy-duty structural applications, offering superior strength, corrosion resistance, and long-term reliability. Established in 2017 with a significant export footprint, we leverage advanced manufacturing processes and stringent quality control to deliver products that form the backbone of critical infrastructure projects worldwide.

Our seamless carbon steel pipes are manufactured using a hot-rolling process, which eliminates the weld seam and creates a uniform, high-strength structure. This makes them ideal for high-pressure applications. The galvanized version provides an extra layer of protection against corrosion, significantly extending the pipe's service life in harsh environments.

Core Product Features & Technical Advantages:

Seamless Construction: Eliminates weak points associated with welded seams, ensuring higher pressure ratings and enhanced structural integrity.
Dual Finish Options: Choose between a cost-effective hot-rolled black finish for structural use or a zinc-galvanized coating for superior corrosion resistance in demanding conditions.
High-Grade Carbon Steel: Manufactured from premium carbon steel, providing excellent tensile strength, durability, and weldability.
Precision Manufacturing: Strict dimensional tolerances and smooth internal/external surfaces ensure optimal flow characteristics and easy installation.
Versatile Application Ready: Designed to comply with international standards for both pipeline transportation and structural support systems.

Detailed Technical Specifications:

Parameter	Specification
Material	Carbon Steel (Grades: PSL1, PSL2, Gr. B, etc.)
Type	Seamless Pipe
Outer Diameter Range	1/2" NPS to 24" NPS (Custom sizes available upon request)
Wall Thickness	SCH 40, SCH 80, STD, XS, XXS (As per requirement)
Standards	API 5L, ASTM A53, ASTM A106, ASME B36.10M
Finish	Hot Rolled Black (HRB) or Galvanized (G)
Galvanization Coating	Zinc Coating (Minimum coating weight customizable)

Benefits for Your Project:

Enhanced Safety: Seamless design reduces failure risks in high-pressure oil & gas applications.
Long-Term Cost Efficiency: Galvanized coating minimizes maintenance and replacement costs due to corrosion.
Project Flexibility: Available in a wide range of sizes and specifications to fit precise engineering plans.
Reliable Supply Chain: With an annual export value of US$50-100 Million and major port access, we ensure timely delivery.
Quality Assurance: Our manufacturing is backed by a comprehensive quality management system.

Backed by Wuxi Yansheng Technology Co., Ltd.'s robust manufacturing capabilities from our 1,000-3,000 sqm facility and a dedicated team of 101-200 professionals, our seamless pipes represent a reliable investment. Our products have gained trust across diverse markets including North America, Europe, Asia, and Africa. We invite you to experience the difference that a quality-focused manufacturer can make. Contact us today to discuss your specific requirements for oil & gas or structural projects and receive a competitive quotation.

Frequently Asked Questions (FAQ):

Q: What is the main advantage of a seamless pipe over an ERW (Electric Resistance Welded) pipe?
A: Seamless pipes have no longitudinal weld seam, which is a potential point of failure under high pressure or cyclic stress. This makes them stronger and more reliable for critical applications like oil & gas transmission.
Q: When should I choose the galvanized finish over the hot-rolled black finish?
A: Choose galvanized finish when the pipe will be exposed to moisture, corrosive atmospheres, or soil (e.g., for above-ground structural supports in coastal areas or certain buried applications). The hot-rolled black finish is suitable for indoor structural use or where additional external coating will be applied.
Q: Can you supply pipes according to specific project standards like API 5L?
A: Yes, absolutely. Our production adheres to major international standards including API 5L, ASTM A53, and ASTM A106. We can manufacture pipes to meet the specific grade and testing requirements of your project.
Q: What is your typical lead time for orders?
A: Lead time depends on the quantity, specification, and current production schedule. Generally, for standard sizes and finishes, we aim for efficient turnaround. We provide a clear timeline upon order confirmation.
Q: Do you offer custom sizes outside the standard range?
A: Yes, we have the capability to produce custom outer diameters and wall thicknesses based on technical drawings. Please contact our sales team with your detailed requirements.
Q: What packaging is used for export to prevent damage during shipping?
A: We use robust packaging including wooden crates, steel straps, and end caps to protect the pipe ends and surface finish, ensuring they arrive in perfect condition.
Q: Are your pipes suitable for high-temperature applications?
A: The carbon steel seamless pipes, especially those conforming to ASTM A106, are designed for high-temperature service. The specific temperature rating depends on the steel grade; please consult our technical data for details.
Q: What ports do you ship from?
A: We primarily ship from major Chinese ports including Tianjin, Shanghai, Qingdao, and Ningbo Port, offering flexibility and logistical efficiency for our global clients.