Seamless Stainless Steel C4 Tube
Upgrade your chemical processing systems with our Seamless Stainless Steel C4 Tubes. Known for their excellent thermal stability, Alloy C4 offers a critical advantage over C276 in stress-corrosion cracking resistance and high-temperature durability.
Key Features & Benefits:
Superior Corrosion Resistance: Highly resistant to pitting and oxidation in harsh chemical environments.
Extreme Temperature Tolerance: Maintains structural integrity up to 1000°C.
Industry Standards: Fully compliant with ASTM B622, UNS N06455, and DIN 2.4610.
Versatile Customization: Available in a wide range of wall thicknesses and diameters for high-pressure applications.
Seamless Stainless Steel C4 Tube – High-Performance Corrosion-Resistant Tubing
Introduction:
Seamless Stainless Steel C4 Tube, also known as Hastelloy C4 tubing, is a premium nickel-chromium-molybdenum alloy tube designed for the most demanding industrial applications. Manufactured from a single solid billet without welds, these tubes provide exceptional structural integrity, high-temperature stability, and superior resistance to aggressive chemical environments. Their unique low-carbon, low-silicon composition prevents grain-boundary precipitates, making them ideal for long-term operation under extreme conditions.
Key Features of Seamless Hastelloy C4 Tubing
Exceptional High-Temperature Stability
Maintains mechanical strength and corrosion resistance at temperatures ranging from 650°C to 1040°C (1200°F to 1900°F).
Resistant to embrittlement, even after prolonged high-temperature exposure.
Outstanding Corrosion Resistance
Performs reliably against a wide range of oxidizing and reducing acids.
High chromium and molybdenum content enhances resistance to pitting, crevice corrosion, and intergranular attack.
High Pressure and Stress Tolerance
Seamless construction ensures safety under extreme internal pressures and mechanical stress.
Ideal for high-performance piping and heat exchanger applications.
Superior Weldability
Can be welded using standard techniques without risk of post-weld corrosion.
Supports complex industrial fabrications while maintaining long-term durability.
Product Specifications and Data
To provide a comprehensive overview of this high-performance material, here are the detailed technical specifications and performance data for C4.
Table 1: Chemical Composition of C4
The composition of C4 is carefully balanced to achieve its superior corrosion resistance and high-temperature stability.
| C | Si | Mn | P | S | Cr | Mo | Ni | Ti | Cu | Co | Fe |
| ≤0.015 | ≤0.08 | ≤1.00 | ≤0.025 | ≤0.015 | 14.00-18.00 | 14.00-17.00 | Bal | ≤0.70 | ≤0.50 | ≤2.00 | ≤3.00 |
Table 2: Typical Mechanical Properties of C4
C4 is specifically designed to maintain its strength and shape in high-stress, corrosive environments.
Tensile Strength | Yield Strength | Elongation | Hardness |
≥ 690 MPa | ≥ 275 MPa | ≥ 42% | ≤ 100 HRB |
Table 3: Typical Physical Properties of C4
These physical properties highlight the material's ability to perform reliably under a wide range of conditions.
Density | Melting Point | Thermal Expansion | Thermal Conductivity | Modulus of Elasticity | Electrical Resistivity |
8.64 g/cm³ | 1335-1380 ℃ | 10.8 µm/m·℃ | 10.1 W/m·K | 208 GPa | 1.25 µΩ·m |
Applications of Seamless Stainless Steel C4 Tube
Chemical processing and petrochemical plants
Marine and seawater desalination systems
Nuclear and power generation facilities
High-temperature industrial heat exchangers
Why Choose Hastelloy C4 Tubing
Seamless Stainless Steel C4 Tubes combine durability, reliability, and high corrosion resistance, making them the preferred choice for industries where safety and longevity are critical. Their seamless design and superior alloy composition ensure optimal performance in even the harshest environments.