ステンレス鋼特殊合金 グレード スーパーデュプレックス 2507
Material properties: Corrosion-resistant
Temperature range: Approx. -20°C to 300°C
Application area: Marine engineering
グレード Industrial grade
Surface condition: Bright
JBL is equipped with a wide range of processing machinery, including laser-plasma cutting machines, waterjet cutters, laser cutting machines, shearing machines, bending machines, precision 8K polishing machines, hairline finishing machines, and embossing machines.
Stainless Steel Specialty Alloys Grade Super Duplex 2507 – Custom-made to order, one-stop sourcing, ample stock available.
The higher chromium and molybdenum content of 2507 provides strong corrosion resistance against organic acids such as formic acid and acetic acid. It also exhibits strong resistance to inorganic acids, particularly those containing oxidizing agents.
Compared to 904L, 2507 – Specialty Alloys offers superior corrosion resistance in dilute solutions containing chloride ions.
316L is unsuitable for marine environments, as it is susceptible to both localized and general corrosion. In contrast, ステンレス鋼特殊合金 グレード スーパーデュプレックス 2507 is suitable for use in marine environments, demonstrating strong resistance to pitting and crevice corrosion.
Duplex 2507 Stainless Steel —-Processing technology
2507 Stainless Steel Plate Specifications
2507 Cold-rolled sheet: 0.3mm to 6mm;
2507 Stainless steel sheet dimensions: 1000×2000, 1219×2438, 1500×3000.
Hot-rolled thickness: 3mm to 200mm;
Sheet dimensions: 1500×6000, 1800×6000 or larger, 2000×6000 or larger, etc.
長さだ： For coils, the length can be cut according to customer requirements.
2507 alloy characteristics
● Very high strength
● Excellent resistance to stress corrosion cracking, pitting, and crevice corrosion, particularly in chloride-containing environments such as seawater
● High thermal conductivity and a low coefficient of thermal expansion
Stainless Steel Grade Super Duplex 2507—-Chemical composition:
C≤0.03,
Si≤0.80,
Mn≤1.2,
Cr:24-26,
Ni:6-8,
S≤0.02,
P≤0.035,
Mo:3-5,
N: 0.24-0.32
Stainless 2507 Super Duplex 2507—-performance
| Performance | Numerical value |
|---|---|
| Tensile strength σb | ≥800 MPa（800-1000 MPa） |
| Yield strength σ0.2 | ≥550 MPa |
| Elongation δ5 | ≥15%（≥25%） |
| Hardness HB | ≤310 HBW / ≤290 HV |
| 密度 | 8.0 g/cm³ |
| Performance | Numerical value |
|---|---|
| Specific heat capacity (0 – 100℃) | 0.46 kg/(kg·K) |
| Thermal conductivity (100-500℃) | 14 W/(m·K) |
| Linear expansion coefficient (100-500℃) | 12×10⁻⁶/K |
| Longitudinal elastic modulus (20℃) | 185 GPa |
| magnetism | There is (dual-phase structure) |
Stainless Steel Specialty Alloys Grade Super Duplex 2507—-Applications
· Pressure vessels, high-pressure storage tanks, high-pressure piping, and heat exchangers (chemical processing industry).
· Oil and gas pipelines and heat exchanger components.
· Wastewater treatment systems.
· Pulp and paper industry: sorters, bleaching equipment, and storage/handling systems.
· High-strength, corrosion-resistant components such as rotating shafts, press rolls, blades, and impellers.
· Cargo containers for ships or trucks.
· Food processing equipment.
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