| Customization: | Available |
|---|---|
| Type: | Stainless Steel Pipes |
| Standard: | ASTM, AISI, GB, JIS, DIN, EN |
|
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We specialize in supplying duplex stainless steel seamless tubes, offering a wide range of high-performance grades including S32750, S32205, S32520, 904L, 800H, and 625. Our products are designed to meet the most demanding industrial requirements, providing exceptional strength, corrosion resistance, and durability.
Superior Corrosion Resistance: Ideal for harsh environments such as chemical processing, oil & gas, and marine applications.
High Strength: Suitable for high-pressure and high-temperature applications.
Customizable Options: Available in various sizes and specifications to meet your specific needs.
S32750 (2507): Offers excellent resistance to chloride-induced stress corrosion cracking, making it perfect for marine and offshore applications.
S32205 (2205): A balanced composition for general-purpose use, providing good corrosion resistance and mechanical properties.
S32520 (F55): Enhanced resistance to pitting and crevice corrosion, ideal for chemical processing equipment.
904L: Superior resistance to sulfuric acid and other aggressive media, widely used in chemical and pharmaceutical industries.
800H: High-temperature strength and oxidation resistance, suitable for heat treatment and furnace components.
625 (Inconel 625): Exceptional resistance to a wide range of corrosive environments, including seawater and acidic media.
Our duplex stainless steel seamless tubes are widely used in:
Chemical Processing: Reactors, heat exchangers, and storage tanks.
Oil & Gas: Pipelines, offshore platforms, and subsea equipment.
Marine Engineering: Shipbuilding, desalination plants, and seawater handling systems.
Power Generation: Boiler tubes, heat exchangers, and turbine components.
Premium Quality: Manufactured to meet international standards (ASTM, ASME, DIN).
Competitive Pricing: High-quality products at cost-effective rates.
Fast Delivery: Stock products delivered within 3-7 days; custom orders within 20-45 days.
Quality Assurance: All products undergo rigorous quality checks, including production inspection, random testing, and pre-shipment inspection.
Looking for reliable duplex stainless steel seamless tubes? Contact us today for a free quote or to request a sample! Our team is ready to provide the best solutions for your project needs.
| Property | Value |
|---|---|
| Density | 7.8 g/cm³ |
| Melting Point | 1350°C - 1450°C (2462°F - 2642°F) |
| Thermal Conductivity | 15 W/m·K (at 100°C) |
| Thermal Expansion | 13.7 x 10^-6/°C (20°C - 100°C) |
| Electrical Resistivity | 0.8 µΩ·m |
| Modulus of Elasticity | 200 GPa |
| Property | Value |
|---|---|
| Tensile Strength | 750 - 1000 MPa |
| Yield Strength | 550 - 800 MPa |
| Elongation | 25% - 35% |
| Hardness (Rockwell C) | 22 - 30 HRC |
| Impact Strength | 100 - 150 J |
| Fatigue Strength | 350 - 450 MPa |
| Element | S32750 (2507) | S32205 (2205) | S32520 (F55) | 904L | 800H | 625 (Inconel 625) |
|---|---|---|---|---|---|---|
| Carbon (C) | ≤ 0.03% | ≤ 0.03% | ≤ 0.03% | ≤ 0.02% | ≤ 0.10% | ≤ 0.10% |
| Chromium (Cr) | 24% - 26% | 22% - 23% | 24% - 26% | 19% - 23% | 19% - 23% | 20% - 23% |
| Nickel (Ni) | 6% - 8% | 4.5% - 6.5% | 6% - 8% | 23% - 28% | 30% - 35% | 58% - 63% |
| Molybdenum (Mo) | 3% - 4% | 3% - 3.5% | 3% - 4% | 4% - 5% | - | 8% - 10% |
| Nitrogen (N) | 0.24% - 0.32% | 0.14% - 0.20% | 0.24% - 0.32% | - | - | - |
| Manganese (Mn) | ≤ 1.2% | ≤ 2.0% | ≤ 1.2% | ≤ 2.0% | ≤ 1.5% | ≤ 0.50% |
| Silicon (Si) | ≤ 0.8% | ≤ 1.0% | ≤ 0.8% | ≤ 1.0% | ≤ 1.0% | ≤ 0.50% |
| Phosphorus (P) | ≤ 0.035% | ≤ 0.03% | ≤ 0.035% | ≤ 0.045% | ≤ 0.045% | ≤ 0.015% |
| Sulfur (S) | ≤ 0.02% | ≤ 0.02% | ≤ 0.02% | ≤ 0.035% | ≤ 0.015% | ≤ 0.015% |
| Copper (Cu) | - | - | - | 1.0% - 2.0% | 0.75% - 1.5% | ≤ 0.50% |
| Iron (Fe) | Balance | Balance | Balance | Balance | Balance | ≤ 5.0% |
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