Contact Platform Support
Help Center
Home > Metallurgy, Mineral & Energy > Steel & Products > Steel Pipe & Tube > Seamless Carbon Steel Pipe API 5L Gr B, 8 Inch Diameter, 0.5 Inch Wall for Pipeline
Seamless Carbon Steel Pipe API 5L Gr B, 8 Inch Diameter, 0.5 Inch Wall for Pipeline
Product Spotlights
Premium seamless construction for high-pressure pipeline integrity; API 5L Gr B certified with ISO9001 quality assurance; 8-inch diameter, 0.5-inch wall thickness; customizable lengths and coatings; reliable supply from a US$50M+ export company with Qingdao shipping.
Negotiable
MOQ: 1 Ton (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Material:
Other, Carbon Steel API 5L Gr B
Surface Treatment:
Other, Bare, Black Painting, or Coating
Outside Diameter:
8 inch (219.1 mm)
Payment & Shipping
Payment Methods:
Port of Shipment:
Qingdao Port
Delivery Detail:
7 days
Related Products
-
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
-
API 5L X52 Carbon Steel Pipe, 6 Inch Diameter, 0.375 Inch Wall Thickness for Oil & GasNegotiableMOQ: 1 Ton
Material
Other, Carbon Steel API 5L Gr B
Surface Treatment
Other, Bare, Black Painting, or Coating
Outside Diameter
8 inch (219.1 mm)
Wall Thickness
0.5 inch (12.7 mm)
Standard
API 5L
Length
Customizable (5.8m/6m/11.8m etc.)
Application
Oil & Gas Pipeline
Certification
ISO9001
Hemaokang Steel (Shandong) Co., Ltd. is proud to offer high-quality Seamless Carbon Steel Pipe API 5L Gr B with an 8-inch diameter and 0.5-inch wall thickness, specifically designed for critical pipeline applications. Our pipes are manufactured to meet the rigorous demands of oil and gas transmission, ensuring long-term reliability and safety. With an annual export value exceeding US$50 million and a dedicated team of 51–100 professionals, we guarantee consistent quality and timely delivery from our Qingdao port.
Product Features & Technical Specifications
- Material Grade: API 5L Gr B carbon steel, offering excellent tensile strength and weldability.
- Size: 8-inch nominal diameter (219.1 mm outer diameter) with 0.5-inch (12.7 mm) wall thickness, suitable for high-pressure pipelines.
- Manufacturing Process: Seamless (hot-rolled or cold-drawn) to eliminate weak points from welding.
- Surface Options: Available in bare, black painting, or anti-corrosion coating (FBE/3LPE) upon request.
- Length: Standard random lengths of 5.8m/6m/11.8m, or customized to your project requirements.
- End Finish: Plain ends, beveled ends, or threaded ends as needed.
- Testing: Hydrostatic testing, tensile testing, and nondestructive inspection available.
- Certification: ISO9001 certified quality management system.
Technical Specifications Table
| Parameter | Value |
|---|---|
| Standard | API 5L (46th Edition) |
| Grade | Gr B |
| Outside Diameter | 219.1 mm (8 inch) |
| Wall Thickness | 12.7 mm (0.5 inch) |
| Yield Strength (min) | 245 MPa |
| Tensile Strength (min) | 415 MPa |
| Chemical Composition (C max) | 0.26% |
| Length | 5.8–12 m (customizable) |
| End Type | Plain / Beveled / Threaded |
Advantages & Customer Benefits
- Seamless construction provides higher pressure resistance and reduces risk of leakage compared to welded pipes.
- API 5L Gr B grade ensures compatibility with standard pipeline systems and easy field welding.
- Precise dimensional control allows for smooth installation and fitting with flanges, valves, and fittings.
- Customizable lengths and coatings help minimize waste and adapt to specific project needs.
- Our ISO9001-certified factory implements strict quality control from raw material to finished product.
- Large annual export capacity (US$50M–100M) ensures stable supply for large-scale pipeline projects.
- Convenient Qingdao port shipment offers efficient logistics to global markets including North America, Europe, Middle East, and Southeast Asia.
Trust & Reliability
Hemaokang Steel has been serving the global pipeline industry since 2025, with a strong focus on quality and customer satisfaction. Our team of 51–100 experienced professionals and our ISO9001-certified production line guarantee that every pipe meets or exceeds API 5L standards. With an annual export value of US$50 million to US$100 million, we have successfully delivered to over 10 major markets worldwide. Choose our Seamless Carbon Steel Pipe API 5L Gr B for your next pipeline project – contact us today for a competitive quote and expert technical support!
Frequently Asked Questions (FAQ)
-
Q: What is the difference between seamless and welded pipe?
A: Seamless pipe is manufactured without a seam, offering higher strength and uniform wall thickness, making it ideal for high-pressure applications like oil and gas pipelines. -
Q: Can you provide mill test certificates (MTC) for this pipe?
A: Yes, we provide MTCs including chemical composition, mechanical properties, and hydrostatic test results for each batch. -
Q: What is the maximum length available for this 8-inch pipe?
A: We can supply up to 12 meters (40 feet) in single random lengths, or custom lengths as per your order. -
Q: Do you offer anti-corrosion coating services?
A: Yes, we offer FBE (Fusion Bonded Epoxy), 3LPE (3-layer Polyethylene), and other coatings upon request. -
Q: What is the typical lead time for an order of 100 tons?
A: Lead time is usually 2–3 weeks after confirmation, depending on the quantity and coating requirements. -
Q: Is this pipe suitable for sour service (H2S environment)?
A: API 5L Gr B is for standard service. For sour service, we recommend API 5L Gr B with Sour Service (SS) option; please contact us for details. -
Q: What payment terms do you accept?
A: We accept T/T (30% deposit, 70% before shipment), L/C at sight, and other mutually agreed terms. -
Q: Can you ship to my country via Qingdao port?
A: Yes, we ship worldwide from Qingdao port and have experience with destinations in North America, Europe, Africa, and Asia.
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 With 1 Year Warranty and Mill Test Report, ASTM A53 CompliantNegotiableMOQ: 1 Ton
-
ASTM A106 Grade B Seamless Carbon Steel Pipe, 4 Inch Schedule 40, 20 ft LengthNegotiableMOQ: 1 Ton
-
Seamless Carbon Steel Pipe With Full Traceability, 12-Month Warranty, Standard CompliantNegotiableMOQ: 1 Ton
-
Pharmaceutical Aluminum Foil With Mill Test Report ASTM B209 CompliantNegotiableMOQ: 1 Ton
-
Pharmaceutical Aluminum Foil 0.02mm-0.06mm Thickness 8011 Alloy for Blister PackagingNegotiableMOQ: 1 Ton
-
Cold Rolled Pharmaceutical Aluminum Foil 20-60um Width 200mm-1200mm High BarrierNegotiableMOQ: 1 Ton
-
Pharmaceutical Packaging Aluminum Foil 0.035mm Pin Hole Free ≤3/m² StandardNegotiableMOQ: 1 Ton
-
Printing Compatible Pharmaceutical Aluminum Foil 0.025mm Tensile Strength 80MPaNegotiableMOQ: 1 Ton
-
Pharmaceutical Aluminum Foil for PVC Blister Cold Forming Packaging 0.045mmNegotiableMOQ: 1 Ton
-
Pharmaceutical Aluminum Foil With Heat Seal Coating 0.04mm 200m/rollNegotiableMOQ: 1 Ton
