Description
Product Description
Stainless Pipes for Oil Cracking is specifically designed for oil cracking applications. These pipes are engineered to withstand the extreme conditions of oil refining processes, ensuring durability, reliability, and efficiency.
Chemical Composition Stainless Pipes for Oil Cracking
| Element (%) | Grade 304 | Grade 316 | Grade 321 | Grade 347 |
|---|---|---|---|---|
| Carbon (C) | ≤ 0.08 | ≤ 0.08 | ≤ 0.08 | ≤ 0.08 |
| Manganese (Mn) | ≤ 2.00 | ≤ 2.00 | ≤ 2.00 | ≤ 2.00 |
| Silicon (Si) | ≤ 0.75 | ≤ 0.75 | ≤ 0.75 | ≤ 0.75 |
| Phosphorus (P) | ≤ 0.045 | ≤ 0.045 | ≤ 0.045 | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 | ≤ 0.030 | ≤ 0.030 | ≤ 0.030 |
| Chromium (Cr) | 18.00-20.00 | 16.00-18.00 | 17.00-19.00 | 17.00-19.00 |
| Nickel (Ni) | 8.00-10.50 | 10.00-14.00 | 9.00-12.00 | 9.00-13.00 |
| Molybdenum (Mo) | - | 2.00-3.00 | - | - |
| Titanium (Ti) | - | - | ≥ 5x(C+N) | - |
| Columbium (Nb) | - | - | - | 10x(C+N) |
| Nitrogen (N) | ≤ 0.10 | ≤ 0.10 | ≤ 0.10 | ≤ 0.10 |
| Iron (Fe) | Balance | Balance | Balance | Balance |
Mechanical Properties Table for Stainless Pipes for Oil Cracking
| Property | Value |
|---|---|
| Tensile Strength | ≥515 MPa (74,800 psi) |
| Yield Strength | ≥205 MPa (29,700 psi) |
| Elongation (in 50mm) | ≥35% |
| Hardness (Rockwell B) | ≤95 |
| Impact Strength | High at both room and low temperatures |
| Modulus of Elasticity | 193 GPa (28,000 ksi) |
| Thermal Conductivity | 16.2 W/m·K (at 100°C) |
| Specific Heat Capacity | 500 J/kg·K |
| Density | 7.9 g/cm³ |
| Melting Point | 1400-1450°C (2550-2650°F) |
Conclusion
Stainless steel pipes for oil cracking are engineered to withstand the rigorous conditions of high-temperature and high-pressure environments encountered in oil refineries. The material’s robust chemical composition and superior mechanical properties ensure durability, longevity, and resistance to corrosion and oxidation. With compliance to stringent industry standards and certifications, these pipes are ideal for critical applications in the oil and gas industry.
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