SA 789 UNS S32205 Duplex Stainless Steel Tube 12.7 × 1.0mm For Heat Exchanger Applications
Material Grade:Duplex 2205 / UNS S32205
Standard:ASME SA789 / ASTM A789
Size:12.7 × 1.0 mm
OD: 12.7 mm
WT:1.0 mm
Length:5.8m / 6m / Custom Length
| Item | Specification |
|---|---|
| Product Name | SA 789 UNS S32205 Duplex Stainless Steel Pipe |
| Material Grade | Duplex 2205 / UNS S32205 |
| Standard | ASME SA789 / ASTM A789 |
| Product Type | Seamless / Welded Tube & Pipe |
| Size | 12.7 × 1.0 mm |
| Outside Diameter | 12.7 mm |
| Wall Thickness | 1.0 mm |
| Length | 5.8m / 6m / Custom Length |
| Surface Finish | Annealed & Pickled / Bright Annealed |
| Manufacturing Process | Cold Drawn / Cold Rolled |
| Heat Treatment | Solution Annealing |
| Certification | EN10204 3.1 Material Test Certificate |
SA 789 UNS S32205 Duplex Stainless Steel Pipe 12.7 × 1.0mm is a high-performance duplex stainless steel tube designed for heat exchanger, condenser, chemical processing, and offshore applications. Manufactured according to ASME SA789 / ASTM A789 standards, this Duplex 2205 stainless steel pipe combines excellent corrosion resistance, high mechanical strength, and superior resistance to chloride stress corrosion cracking.
With a 12.7mm outside diameter and 1.0mm wall thickness, this precision duplex stainless steel tube is widely used in heat exchanger systems where high reliability, long service life, and resistance to aggressive environments are required.
Chemical Composition Of ASTM A789 Duplex 2205 Tube
| Element | Content |
|---|---|
| Carbon (C) | ≤0.030 |
| Silicon (Si) | ≤1.00 |
| Manganese (Mn) | ≤2.00 |
| Phosphorus (P) | ≤0.030 |
| Sulfur (S) | ≤0.020 |
| Chromium (Cr) | 22.0–23.0 |
| Nickel (Ni) | 4.5–6.5 |
| Molybdenum (Mo) | 3.0–3.5 |
| Nitrogen (N) | 0.14–0.20 |
Mechanical Properties
| Property | Requirement |
|---|---|
| Tensile Strength | ≥620 MPa |
| Yield Strength | ≥450 MPa |
| Elongation | ≥25% |
| Hardness | ≤290 HB |
| Property | Value |
|---|---|
| Density | 7.80 g/cm³ |
| Melting Point | Approx. 1350–1400℃ |
| Elastic Modulus | 200 GPa |
| Thermal Conductivity | Approx. 19 W/m·K |
| Thermal Expansion Coefficient | 13.7 μm/m·℃ |
Heat Exchanger Industry
SA789 UNS S32205 Duplex Stainless Steel Pipe is widely used in heat transfer equipment due to its excellent corrosion resistance and mechanical strength.
Applications:
- Heat exchanger tubes
- Condenser tubes
- Evaporator tubes
- Process heat exchangers
- Cooling systems
Chemical Processing Industry
Suitable for corrosive chemical environments:
Applications:
- Chemical processing pipelines
- Acid handling equipment
- Reactor systems
- Process equipment
Oil & Gas Industry
Used in demanding offshore and oilfield environments:
Applications:
- Offshore platforms
- Oilfield equipment
- Gas processing systems
- High-pressure fluid systems
Marine & Desalination Applications
Excellent performance in seawater environments:
Applications:
- Seawater heat exchangers
- Desalination plants
- Marine cooling systems
- Saltwater circulation pipelines
Why Choose SA789 UNS S32205 Duplex Stainless Steel Pipe?
✅ ASTM A789 / ASME SA789 compliant
✅ Duplex 2205 corrosion-resistant material
✅ Precision size 12.7 × 1.0mm available
✅ Excellent choice for heat exchanger applications
✅ Seamless and welded options available
✅ Custom dimensions supported
✅ Heat Exchanger Stainless Steel Tube Supplier
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