Carbon Steel Seamless Pipes 21.3-609.6mm OD for Oil, Gas & Fluid Transport - ASTM A106 Grade B/C & API 5L X42-X70
Our high-quality carbon steel seamless pipes are engineered for superior performance in demanding industrial applications. Available in multiple grades including 10#, 20#, 45#, Q235B, Q345C, Q195, and Q215, these pipes deliver exceptional strength and reliability for fluid transport systems.
A36, 10#, 20#, 45#, Q235, Q345, Q195, Q215, Q345C, Q345A, P11, P12, P22, P91, P92, 15CrMO, Cr5Mo, 10CrMo910, 12CrMo, API5L Gr.A&B, X42-X80
1/2" to 24" (21.3mm to 609.6mm)
5.8m, 6m fixed, 12m fixed, or 2-12m random lengths
ASTM, DIN, JIS, BS, GB/T with ISO, CE, SGS, BV, BIS certifications
| DN | OD (mm) | SCH10S (mm) | STD SCH40 (mm) | LIGHT (mm) | MEDIUM (mm) | HEAVY (mm) |
|---|---|---|---|---|---|---|
| 15 | 21.3 | 2.11 | 2.77 | 2.0 | 2.6 | |
| 20 | 26.7 | 2.11 | 2.87 | 2.3 | 2.6 | |
| 25 | 33.4 | 2.77 | 3.38 | 2.6 | 3.2 | |
| 32 | 42.2 | 2.77 | 3.56 | 2.6 | 3.2 | |
| 40 | 48.3 | 2.77 | 3.68 | 2.9 | 3.2 | |
| 50 | 60.3 | 2.77 | 3.91 | 2.9 | 3.6 |
- Oil and gas pipelines
- Hydraulic systems
- Boiler and heat exchanger tubes
- Structural supports and scaffolding
- Chemical processing equipment
- Shipbuilding and marine applications
- Construction and infrastructure projects
Available with black painting, galvanization, natural finish, anti-corrosive 3PE coating, and polyurethane foam insulation to suit various environmental conditions.
All raw materials undergo rigorous inspection before processing, ensuring consistent quality throughout manufacturing. Our pipes meet international standards including ASTM A106 Grade B/C and API 5L X-42 through X-70 specifications.
With over 20 years of industry experience, we maintain strategic partnerships with major steel plants including TISCO, Baosteel, and Shagang. We offer both standard inventory items and custom manufacturing with rapid turnaround times.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.