2205 Duplex Stainless Steel Plate Description
2205 duplex stainless steel plate is a high-performance alloy combining austenitic and ferritic structures, offering superior strength and corrosion resistance. With a balanced composition of chromium, molybdenum, and nitrogen, it provides excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, making it ideal for harsh environments such as marine, chemical, and oil and gas industries. Its high strength allows for reduced material thickness without compromising durability. 2205 stainless steel also offers excellent weldability and toughness, even at low temperatures. Compared to standard austenitic stainless steels, it delivers enhanced mechanical properties while maintaining good formability. Widely used in structural and pressure applications, 2205 duplex stainless steel plate ensures long-term performance and reliability in demanding industrial conditions.
Product Parameters
| Product Name | 2205 Duplex Stainless Steel Plate |
| Type | Plate |
| Thickness | 0.3mm-200mm |
| Length | 2000mm, 2438mm, 3000mm, 5800mm, 6000mm, 12000mm, etc. |
| Width | 40mm-600mm, 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc. |
| Standard | ASTM, AISI, JIS, GB, DIN, EN, etc. |
| Surface | BA, 2B, NO.1, NO.4, 4K, HL, 8K, etc. |
| Scope of Application | Widely used in high temperature and electrical industry, medical equipment construction, chemical, food industry, agriculture and ship parts, food and beverage packaging,
Kitchen supplies, trains, airplanes, conveyor belts, vehicles, bolts, nuts, springs and screens, etc. |
| Certificate | ISO, SGS, BV, etc. |
| Production Technology | Hot Rolling, Cold Rolling |
| Edge Processing | Edging, Trimming |
Chemical Composition
| C | Si | Mn | Cr | Ni | Mo | S | P |
| ≤ 0.03 | ≤1.0 | ≤ 2.0 | 21.0～23.0 | 4.5～6.5 | 2.5～3.5 | ≤ 0.02 | ≤ 0.03 |
Mechanical Properties
| Tensile Strength Kb (MPa) | Yield Strength σ0.2 (MPa) | Elongation D5 (%) | Hardness |
| ≥620 | ≥450 | ≥25 | ≤ 293HB |
Physical Performance
| Density(g/cm³) | Modulus of Elasticity(Gpa) | Coefficient of Thermal Expansion(10-6/°C) | Coefficient of Thermal Conductivity(W/m*K) | Resistivity(ΜΩ. cm) |
| 7.88 | 190 | 13.7 | 19.0 | 80 |
