Product Overview – ASME SA106 Grade C Seamless Pipes
ASME SA106 Grade C seamless pipes represent the highest strength grade within the SA106 specification, making them ideal for heavy-duty pressure and thermal applications.
While equivalent to ASTM A106 Grade C in composition and properties, SA106 Grade C is specifically used in projects where ASME certification and regulatory compliance are mandatory, especially in boilers, pressure vessels, and critical piping systems.
Compared to Grade B, Grade C provides higher tensile and yield strength, allowing it to perform reliably under greater mechanical stress and elevated pressure conditions.
Manufactured through seamless processes and subjected to strict quality control, these pipes ensure uniform structure, enhanced durability, and long service life in demanding environments.
They are widely used in power generation systems, refinery units, and heavy engineering applications.
Standard & International Identification - ASME SA106 Grade C Seamless Pipes
Technical Specifications – ASME SA106 Gr C Pipes
| Pipe Type: | Seamless Carbon Steel Pipes |
| Manufacturing Process: | Hot Rolled / Cold Drawn → Heat Treated → Tested |
| Outer Diameter: | 10 mm to 600 mm |
| Wall Thickness: | 2 mm to 80 mm |
| Length: | Single Random Length/Double Random Length/Custom Cut Length |
| Surface Finish: | Black Painted/Varnished/Galvanized (Optional) |
| Testing Methods: | Hydrostatic Test,Ultrasonic Testing,Eddy Current Testing,Visual Inspection |
| Certification : | EN 10204 3.1 / 3.2 MTC |
Third Party Inspection Available
All specifications are in accordance of ASTM A106 / ASME SA106 standards. Mechanical and chemical values are as per standard limits. Mill Test Certificates (MTC) available upon request.
Chemical Composition – ASME SA106 Grade C
(As per ASTM specification)
| Element | Max (%) |
|---|---|
| Carbon (C): | 0.35% |
| Manganese (Mn): | 0.29 – 1.06% |
| Silicon (Si): | 0.10% |
| Phosphorus (P): | 0.035% |
| Sulfur (S): | Max 0.035% | Iron : | Balance |
Note: The above chemical composition enhances ASME SA106 Grade C pipes with higher strength and improved resistance to pressure and mechanical stress in demanding industrial conditions.
Mechanical Properties – ASME SA106 Gr C Pipes
| Property | Minimum Value |
|---|---|
| Tensile Strength | 485 MPa |
| Yield Strength | 275 MPa |
| Elongation | 30% |
These mechanical properties allow ASME SA106 Grade C seamless pipes to handle high-pressure systems and critical applications with long-term durability and reliability.
High Strength Performance & Engineering Advantage
ASME SA106 Grade C pipes are designed for applications where standard carbon steel grades may not be sufficient.
- What sets Grade C apart:
- 🔸Higher load-bearing capacity
- 🔸Improved resistance to deformation
- 🔸Reliable performance under elevated pressure
- 🔸Suitable for critical system operations
- 🔸Preferred when safety and durability are top priorities
This makes Grade C a strategic choice before moving to alloy steel grades.
Industry Applications (Critical Use Cases) of ASME SA106 Grade C pipes
- Where ASME SA106 Grade C pipes are used:
- 🔸High Pressure Boiler Systems
- 🔸Thermal & Power Generation Plants
- 🔸Refinery & Petrochemical Units
- 🔸Heavy Engineering & Fabrication Projects
- 🔸Oil & Gas Transmission Systems
- 🔸ASME-Certified Industrial Installations
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