Cold-Drawing Technique Duplex Steel 2205 Seamless Tube with High Strength and Corrosion Resistance
Price:
4.15
MOQ:
50
Delivery Time:
Negotiable
Product Description
S32205 Seamless Tube Duplex Steel Tube 2205
Duplex Steel 2205 Seamless Tube is a nitrogen-enhanced duplex stainless steel engineered to address common corrosion issues encountered with 300 series stainless steels. The "duplex" classification refers to stainless steels that combine both austenitic and ferritic microstructures. In the annealed condition, 2205 contains approximately 40-50% ferrite, with austenite pools surrounded by a continuous ferrite phase. As the most widely used grade in the duplex family, 2205 is often referred to as the workhorse alloy.
The duplex structure combines the advantageous properties of ferritic alloys (stress corrosion cracking resistance and high strength) with those of austenitic alloys (ease of fabrication and corrosion resistance). Use of 2205 Duplex stainless steel should be limited to temperatures below 600°F, as prolonged exposure to elevated temperatures can cause embrittlement.
Key Features of Duplex Steel 2205 Seamless Tube
- High resistance to chloride stress corrosion cracking
- Resistance to chloride pitting and crevice corrosion
- Excellent general corrosion resistance
- Superior sulphide stress corrosion resistance
- High strength properties
- Good weldability and workability
Applications of Duplex Steel 2205 Seamless Tube
- Chemical process vessels, piping and heat exchangers
- Pulp mill digesters, bleach washers, chip pre-steaming vessels
- Food processing equipment
- Oil field piping and heat exchangers
- Flue gas desulfurization equipment
Chemical Composition of Duplex Steel 2205
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
|---|---|---|---|---|---|---|---|---|---|
| 2205 (S31803) | 0.03 max | 2.0 max | 1.0 max | 0.03 max | 0.02 max | min: 21.0 max: 23.0 |
min: 2.5 max: 3.5 |
min: 4.5 max: 6.5 |
min: 0.08 max: 0.20 |
| 2205 (S32205) | 0.03 max | 2.0 max | 1.0 max | 0.03 max | 0.02 max | min: 22.0 max: 23.0 |
min: 3.0 max: 3.5 |
min: 4.5 max: 6.5 |
min: 0.14 max: 0.20 |
Mechanical Properties of Duplex Steel 2205
| Grade | Tensile Strength ksi (min) | Yield Strength 0.2% ksi (min) | Elongation % | Hardness (HB) MAX |
|---|---|---|---|---|
| 2205 | 90 | 65 | 25 | 217 |
Physical Properties of Duplex Steel 2205
| Temperature | Density lbm/in³ | Electrical Resistivity mWin | Thermal Conductivity (BTU/hr·ft·°F) | Heat Capacity BTU/lbm·°F | Electrical Resistivity (in × 10⁻⁶) |
|---|---|---|---|---|---|
| at 68°F | 0.278 | 27.6 | 8.7 | 0.112 | 33.5 |
| at 212°F | 26.1 | 9.2 | 0.119 | 35.4 | |
| at 392°F | 25.4 | 9.8 | 0.127 | 37.4 | |
| at 572°F | 24.9 | 10.4 | 0.134 | 39.4 |
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Company
TSING SHAN STEEL INDUSTRIAL LIMITED
Location
NO.288,Youyi Road Xi Shan Dristrict , Wuxi, Jiangsu, China
Contact Person
Gao Ben