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Seamless Carbon Steel Pipe 20# 10 Inch 12mm Wall Thickness ISO Compliant
Product Spotlights
Seamless carbon steel pipe 20# 10" with 12mm wall thickness, ISO 9001 certified. Offers excellent strength, uniform wall, and corrosion resistance. Suitable for oil, gas, and structural applications. Customizable length, end finish, and coating. Reliable supply from a trusted exporter with US$50M+ annual export value.
Negotiable
MOQ: 1 Ton (Price negotiable depending on order volume and customization)
Key Specifications
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Material:
Other, Carbon Steel 20#
Surface Treatment:
Other, Black Painting / Varnish / Oil Coating
Size:
10 Inch (DN250)
Payment & Shipping
Payment Methods:
Port of Shipment:
Qingdao Port
Delivery Detail:
7 days
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Material
Other, Carbon Steel 20#
Surface Treatment
Other, Black Painting / Varnish / Oil Coating
Size
10 Inch (DN250)
Wall Thickness
12mm
Standard
ASTM A106 / API 5L / GB/T 8163
End Type
Plain End / Beveled End
Length
5.8m - 12m (Customizable)
Application
Oil & Gas, Petrochemical, Boiler, Construction
Packaging
Bundles with Steel Strips / Waterproof Wrapping
Certification
ISO 9001
Hemaokang Steel (Shandong) Co., Ltd. is proud to present our Seamless Carbon Steel Pipe 20# 10 Inch 12mm Wall Thickness, manufactured with precision and quality control to meet the demands of critical industrial applications. As a newly established company backed by a strong export volume of US$50-100 million annually, we deliver reliable products that comply with ISO 9001 standards. This pipe combines excellent strength, durability, and uniform wall thickness, making it an ideal choice for high-pressure fluid transportation, structural support, and energy sector projects.
Key Features & Technical Specifications
- Material Grade: 20# Carbon Steel (GB/T 699) – equivalent to ASTM A106 Gr. B, offering good weldability and machinability.
- Nominal Diameter: 10 inches (DN250) with an outer diameter of approximately 273 mm.
- Wall Thickness: 12 mm, providing a robust wall for high-pressure resistance and structural integrity.
- Manufacturing Process: Hot-rolled seamless – no weld seams, ensuring uniform stress distribution and reduced risk of failure.
- Surface Finish: Available with black painting, varnish, or anti-rust oil coating to protect during transportation and storage.
- Length Options: Standard random lengths (5.8m–12m) or custom lengths per request.
- End Preparation: Plain end or beveled end for welding, fully compliant with industry standards.
- Testing & Inspection: 100% hydrostatic test, ultrasonic test, and chemical analysis available upon request.
Physical & Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength (MPa) | ≥ 410 |
| Yield Strength (MPa) | ≥ 245 |
| Elongation (%) | ≥ 20 |
| Hardness (HB) | ≤ 156 |
| Chemical Composition (C, %) | 0.17–0.24 |
Advantages & Customer Benefits
- Seamless Construction: Eliminates weld defects, providing higher reliability under cyclic loading and high temperatures.
- Cost-Effective: 20# carbon steel offers an excellent balance of performance and affordability for large-scale projects.
- Versatile Application: Suitable for oil and gas pipelines, boiler tubes, heat exchangers, and structural supports.
- Customizable Options: Length, end finish, coating, and packaging can be tailored to your specific requirements.
- Global Logistics: Shipped from Qingdao port with efficient sea freight to North America, Europe, Asia, Africa, and Oceania.
- Quality Assurance: Each pipe undergoes strict inspection per ISO 9001 procedures, with mill test certificates provided.
Why Choose Hemaokang Steel?
With annual export value exceeding US$50 million and a dedicated team of 51–100 experienced professionals, Hemaokang Steel has established a strong supply chain in Liaocheng, Shandong – a renowned steel production hub in China. Our products are trusted by clients across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and more. We are committed to delivering competitive pricing, on-time delivery, and responsive after-sales support. Whether you need a single shipment or a long-term contract, we are ready to serve as your reliable partner.
Frequently Asked Questions (FAQ)
-
Q: What is the difference between 20# steel and ASTM A106 Gr. B?
A: 20# steel is a Chinese grade (GB/T 699) with similar chemical composition and mechanical properties to ASTM A106 Gr. B. It is widely accepted for international projects. -
Q: Can you provide third-party inspection for this pipe?
A: Yes, we can arrange third-party inspection by SGS, BV, or other agencies at additional cost. Standard mill test certificates are included. -
Q: What is the minimum order quantity (MOQ)?
A: The MOQ is typically 10 tons for this size. For smaller quantities, please contact us to discuss availability. -
Q: How long does shipping take from Qingdao port?
A: Depending on the destination, shipping time ranges from 15 to 45 days. We can provide a detailed schedule upon order confirmation. -
Q: Is the pipe suitable for high-temperature applications?
A: 20# carbon steel is suitable for temperatures up to 425°C (797°F) in boiler and superheater applications. For higher temperatures, alloy steel is recommended. -
Q: Do you offer custom lengths and coatings?
A: Yes, we can cut pipes to your specified lengths (within 12m) and apply coatings such as FBE, 3LPE, or galvanizing upon request. -
Q: What packing methods do you use for export?
A: For sea freight, pipes are bundled with steel strips, wrapped in waterproof cloth, and protected with wooden blocks at the ends to prevent damage. -
Q: How can I get a quotation?
A: Please send us your required quantity, delivery port, and any special requirements. We will provide a competitive FOB, CIF, or CFR price within 24 hours.
Ready to order? Contact Hemaokang Steel today for a tailored solution. Our team is dedicated to providing high-quality seamless carbon steel pipes that meet your exact specifications. Experience reliable supply, competitive pricing, and professional service.
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
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