SCH 40 Seamless Carbon Steel Pipe ASTM A53 A106 Gr B 21.3-609.6mm OD for Industrial Applications
Our SCH 40 seamless carbon steel pipes are manufactured to meet rigorous international standards including ASTM A53, A106 Gr B, A179, A192, A213, A312, A333 Gr 6, A335 P11/P22/P91, A519, and A790 specifications. These pipes offer exceptional strength, durability, and versatility for demanding industrial applications.
- Standards: ASTM, DIN, JIS, BS, GB/T
- Grades: A36, 10#, 20#, 45#, Q235, Q345, Q195, Q215, Q345C, Q345A
- Special Grades: P11, P12, P22, P91, P92, 15CrMO, Cr5Mo, 10CrMo910, 12CrMo
- API 5L Grades: Gr.A&B, X42, X46, X52, X56, X60, X65, X70, X80
- Outside Diameter: 1/2" to 24" (21.3mm to 609.6mm)
- Length: 5.8m, 6m Fixed, 12m Fixed, 2-12m Random
- Shapes: Round, Square, Rectangle
- Tolerance: ±1%
| DN | OD (inch) | OD (mm) | SCH10S (mm) | STD SCH40 (mm) | LIGHT (mm) | MEDIUM (mm) | HEAVY (mm) |
|---|---|---|---|---|---|---|---|
| 15 | 1/2" | 21.3 | 2.11 | 2.77 | 2 | 2.6 | - |
| 20 | 3/4" | 26.7 | 2.11 | 2.87 | 2.3 | 2.6 | 3.2 |
| 25 | 1" | 33.4 | 2.77 | 3.38 | 2.6 | 3.2 | 4 |
| 32 | 1-1/4" | 42.2 | 2.77 | 3.56 | 2.6 | 3.2 | 4 |
| 40 | 1-1/2" | 48.3 | 2.77 | 3.68 | 2.9 | 3.2 | 4 |
Our carbon steel pipes are engineered for high-performance applications across multiple industries:
- Oil and gas pipelines
- Drill pipes and hydraulic systems
- Boiler pipes and steam systems
- Chemical processing equipment
- Shipbuilding and marine applications
- Construction scaffolding and structural supports
- Pharmaceutical and food processing equipment
All products undergo rigorous quality control and are backed by international certifications including ISO, CE, SGS, BV, and BIS. Our manufacturing processes ensure consistent quality and dimensional accuracy.
With over 20 years of industry experience, we maintain strategic partnerships with major steel plants including TISCO, Baosteel, Qingshan, Shagang, Henggang, and Angang. Our comprehensive inventory and flexible production capabilities enable us to meet urgent requirements and custom specifications.
- OEM/ODM services available
- Free samples (customers cover shipping)
- Minimum order quantity: 1 ton
- Standard delivery: 10-15 days after deposit
- Flexible payment terms: TT, L/C, Western Union
- Comprehensive technical support and after-sales service
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.