Contact Platform Support
Help Center
Home > Metallurgy, Mineral & Energy > Steel & Products > Steel Pipe & Tube > ERW Welded Carbon Steel Pipe Q235B 3mm Wall Thickness DN80 Black Finish
ERW Welded Carbon Steel Pipe Q235B 3mm Wall Thickness DN80 Black Finish
Product Spotlights
Premium Q235B ERW carbon steel pipe with 3mm wall thickness, DN80 black finish. ISO9001 certified, customizable lengths, cost-effective for fluid transport and structural use. Reliable quality from Hemaokang Steel, shipped globally from Qingdao. Competitive pricing and strong after-sales support.
Negotiable
MOQ: 1 Ton (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Material:
Other, Q235B carbon steel
wall_thickness:
3mm
size:
DN80 (3 inches)
Payment & Shipping
Payment Methods:
Port of Shipment:
Qingdao Port
Delivery Detail:
7 days
Related Products
-
Seamless Carbon Steel Pipe With 1 Year Warranty and Standard Compliant 20 InchNegotiableMOQ: 1 Ton -
Seamless Carbon Steel Pipe 20# 10 Inch 12mm Wall Thickness ISO CompliantNegotiableMOQ: 1 Ton
-
Seamless Carbon Steel Pipe for Oil and Gas Transportation ASTM A106 Gr.BNegotiableMOQ: 1 Ton
-
Carbon Steel Pipe With Mill Test Report and 1 Year Warranty ASTM A53 Gr.BNegotiableMOQ: 1 Ton
-
Carbon Steel Pipe for Boiler and Heat Exchanger ASTM A179 3/4 InchNegotiableMOQ: 1 Ton
Material
Other, Q235B carbon steel
wall_thickness
3mm
size
DN80 (3 inches)
surface_finish
Black paint (black finish)
welding_type
ERW (Electric Resistance Welding)
length
Customizable (e.g., 6m, 12m)
standard
ISO9001 certified, available upon request (e.g., API 5L, ASTM A53)
application
Fluid transport, structural support, construction
Hemaokang Steel (Shandong) Co., Ltd., established in 2025 with an annual export value of US$50-100 million, proudly presents our ERW Welded Carbon Steel Pipe Q235B 3mm Wall Thickness DN80 Black Finish. As a reliable manufacturer with ISO9001 certification, we deliver high-quality steel pipes that meet rigorous industry standards. Our pipes are designed for durability, strength, and versatility, making them ideal for a wide range of applications including fluid transport, structural support, and construction projects. With a dedicated team of 51-100 employees and a strategic location in Liaocheng, Shandong, we ensure efficient production and timely delivery to global markets.
Key Features and Technical Specifications:
- Material: Premium Q235B carbon steel, offering excellent weldability and mechanical properties.
- Wall Thickness: 3mm – balances strength and weight for cost-effective performance.
- Size: DN80 (nominal diameter 3 inches) – compatible with standard fittings and valves.
- Surface Finish: Black paint (black finish) – provides basic corrosion resistance and a professional appearance.
- Welding Process: ERW (Electric Resistance Welding) – ensures consistent seam quality and high production efficiency.
- Length Options: Customizable – standard lengths of 6m or 12m, or as per your requirements.
- Standards Compliance: Manufactured under ISO9001 quality management system; can also meet API 5L, ASTM A53, or other standards upon request.
Technical Data Table:
| Parameter | Value |
|---|---|
| Material Grade | Q235B (equivalent to ASTM A36) |
| Wall Thickness | 3mm (+/- 0.3mm tolerance) |
| Outer Diameter | 88.9mm (DN80) |
| Surface Finish | Black paint (oil-coated optional) |
| Yield Strength (min) | 235 MPa |
| Tensile Strength (min) | 370-500 MPa |
| Elongation (min) | 22% |
| Standard Length | 6m / 12m (customizable) |
Product Advantages and Customer Benefits:
- Cost-Effective: Q235B material offers a good balance of strength and affordability, reducing project costs.
- Easy Installation: ERW pipes have smooth surfaces and precise dimensions, simplifying welding and threading.
- Versatile Applications: Suitable for water, gas, oil transmission, as well as structural beams, columns, and scaffolding.
- Durable Protection: Black paint finish provides initial corrosion resistance; additional coatings can be applied for harsh environments.
- Reliable Quality: Every pipe undergoes strict quality control under ISO9001, ensuring consistent performance.
- Global Shipping: Shipped from Qingdao Port, with fast delivery to North America, South America, Europe, Asia, Africa, and Oceania.
Trust and Reliability: Hemaokang Steel (Shandong) Co., Ltd. has established a strong presence in the global market since 2025, with an annual export value exceeding US$50 million. Our ISO9001 certification reflects our commitment to quality management. We serve customers across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and more. With a team of 51-100 experienced professionals, we ensure every order is handled with care. By choosing our ERW carbon steel pipe, you benefit from competitive pricing, rigorous quality checks, and responsive after-sales support. Contact us today to discuss your specific requirements and receive a customized quotation.
Frequently Asked Questions (FAQ):
- What is the difference between ERW and seamless pipe? ERW pipes are welded longitudinally, offering cost savings and consistent dimensions, while seamless pipes are stronger but more expensive. For most structural and general fluid applications, ERW is a reliable choice.
- Can this pipe be used for high-pressure applications? Q235B ERW pipes are suitable for low to medium pressure (e.g., water, gas). For high-pressure lines, we recommend our API 5L grade pipes (available upon request).
- Is the black finish suitable for outdoor use? The black paint provides basic protection against mild corrosion. For outdoor or corrosive environments, additional coatings like galvanizing or epoxy can be applied.
- What lengths are available? Standard lengths are 6m and 12m, but we can customize lengths to meet your project needs (e.g., 5.8m, 11.8m).
- How do you ensure the quality of the pipes? We follow ISO9001 procedures, including material testing, dimensional inspection, hydrostatic testing, and visual inspection. A Mill Test Certificate is provided with each shipment.
- What is the minimum order quantity (MOQ)? MOQ is typically 10 tons, but we can accommodate smaller trial orders for new customers. Please contact our sales team for details.
- How long does shipping take to my country? Delivery time depends on the destination. From Qingdao Port, shipping to major ports in North America or Europe takes approximately 25-35 days; to Southeast Asia, 10-15 days.
- Can I request a sample before placing a bulk order? Yes, we can provide a small sample (e.g., 1 meter) for evaluation. The sample cost is negotiable, and shipping charges apply.
Send Inquiry to This Supplier
1Yr
Year Established
2025
Annual Export Value
US$50 Million - US$100 Million
Total Employees
51 - 100 People
Product Certifications
ISO9001
You May Also Like
-
Carbon Steel Pipe ASTM A53 Gr.B Schedule 40 2 Inch for Structural SupportNegotiableMOQ: 1 Ton
-
API 5L Gr.B Seamless Carbon Steel Pipe Schedule 40 6 Inch for Pipeline TransmissionNegotiableMOQ: 1 Ton
-
ASTM A106 Gr.B Seamless Carbon Steel Pipe Sch 80 4 Inch 0.5% Carbon ContentNegotiableMOQ: 1 Ton
-
SMLS Carbon Steel Pipe 6 Inch Sch 40 0.28% Carbon Content for Mechanical UseNegotiableMOQ: 1 Ton
-
Carbon Steel Pipe for Boiler and Heat Exchanger, ASTM A179 Specification, 0.5 Inch ODNegotiableMOQ: 1 Ton
-
Seamless Carbon Steel Pipe API 5L Gr B, 8 Inch Diameter, 0.5 Inch Wall for PipelineNegotiableMOQ: 1 Ton
-
ASTM A53 Grade A Welded Carbon Steel Pipe, 2 Inch NPS, Sch 80, Standard CompliantNegotiableMOQ: 1 Ton
-
Carbon Steel Pipe ASTM A53 ERW, 3 Inch Schedule 40, Black Plain End, 12 ft LengthNegotiableMOQ: 1 Ton
-
GB/T 8163-2018 Seamless Carbon Steel Pipe, 10mm OD, 2mm Wall Thickness, 6m LengthNegotiableMOQ: 1 Ton
-
Structural Carbon Steel Pipe for Building Construction, BS 1387 Standard, 6m LengthNegotiableMOQ: 1 Ton
