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Duplex Steel S32205, also known as Duplex 2205, is a high-performance stainless steel alloy characterized by a balanced microstructure of approximately 50% austenite and 50% ferrite. This composition imparts exceptional strength and enhanced resistance to stress corrosion cracking (SCC), pitting, and crevice corrosion, making it ideal for demanding applications such as heat exchangers and condenser tubes.
Sumer Metal Industries Private Limited is a renowned manufacturer, supplier, and exporter of Duplex Steel S32205 Condenser Tubes. With a robust presence in international markets, the company exports to regions including Oman, Qatar, Saudi Arabia, the UAE, Kuwait, Spain, Germany, the USA, Canada, and various parts of Africa. Their commitment to quality and timely delivery has established them as a trusted name in the industry.
The chemical composition of Duplex S32205 ensures excellent resistance to chloride stress corrosion cracking and pitting. Key elements include 21–23% chromium, 4.5–6.5% nickel, 2.5–3.5% molybdenum, and 0.14–0.20% nitrogen, along with low carbon content. This composition allows the tubes to perform efficiently even in harsh marine, chemical, and high-temperature environments.
Mechanically, Duplex Steel S32205 Condenser Tubes exhibit high yield strength of 450 MPa, ultimate tensile strength up to 620 MPa, and elongation of around 25%. The combination of strength and ductility ensures long-term reliability, while the hardness and impact toughness make these tubes highly resistant to fatigue and operational stress.
Specification of Duplex Steel S32205 Condenser Tubes
| Specification | Details |
|---|---|
| Standard | ASTM A789 / ASME SA789 |
| Material Grade | UNS S32205 / 1.4462 |
| Tube Type | Seamless / Welded / U-Bend |
| Outer Diameter (OD) | 6 mm to 219 mm |
| Wall Thickness | 0.5 mm to 10 mm |
| Length | Customizable |
| Surface Finish | Pickled / Passivated |
| Certification | EN 10204 3.1 |
Quality assurance at Sumer Metal Industries emphasizes traceability, including full lot marking, MTC (EN 10204/3.1 or equivalent), hardness checks and mechanical testing (tensile, yield, elongation). The factory also runs corrosion testing (pitting/crevice) and intermetallic phase checks to confirm the duplex balance. For projects bound for stringent markets such as Germany, Spain, the USA and Canada, the company can coordinate vendor qualification documentation and performance testing to support purchase orders and regulatory compliance.
Chemical Composition of Duplex Steel S32205 Condenser Tubes
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.03 |
| Manganese (Mn) | ≤ 1.00 |
| Phosphorus (P) | ≤ 0.03 |
| Sulfur (S) | ≤ 0.02 |
| Silicon (Si) | ≤ 1.00 |
| Chromium (Cr) | 21.0 – 23.0 |
| Nickel (Ni) | 4.5 – 6.5 |
| Molybdenum (Mo) | 2.5 – 3.5 |
| Nitrogen (N) | 0.14 – 0.20 |
With a proven track record as a Duplex Steel S32205 Condenser Tubes exporter in over 30 countries, Sumer Metal Industries ensures global availability, third-party inspection support, and client-specific customization. Our wide export network combined with strict quality standards has made us a preferred choice for SS 32205 tubing worldwide.
Specification of Duplex Steel S32205 Condenser Tubes
| Specification | Details |
|---|---|
| Standard | ASTM A789 / ASME SA789 |
| Material Grade | UNS S32205 / 1.4462 |
| Tube Type | Seamless / Welded / U-Bend |
| Outer Diameter (OD) | 6 mm to 219 mm |
| Wall Thickness | 0.5 mm to 10 mm |
| Length | Customizable |
| Surface Finish | Pickled / Passivated |
| Certification | EN 10204 3.1 |
🏭 Industry & Application
- ✅ Duplex Steel S32205 Condenser Tubes for Medical Industry
- ✅ Duplex Steel S32205 Condenser Tubes for Chemical Processing
- ✅ Duplex Steel S32205 Tubes for Condenser Lines
- ✅ Duplex Steel S32205 Condenser Tubes for Gas & Liquid Flow
- ✅ Duplex Steel S32205 Tubes for Heat Exchangers
❓ Frequently Asked Questions (FAQs)
1. What are the advantages of using Duplex Steel S32205 Condenser Tubes?
Duplex Steel S32205 offers superior corrosion resistance, high strength, and excellent resistance to stress corrosion cracking, pitting, and crevice corrosion. These properties make it ideal for heat exchangers, condensers, and marine applications.
2. How does Duplex Steel S32205 compare to other stainless steel grades?
Compared to austenitic stainless steels like 316L, Duplex S32205 has higher strength, better fatigue performance, and superior resistance to chloride-induced stress corrosion cracking, making it suitable for harsh chemical and marine environments.
3. Which industries commonly use Duplex Steel S32205 Condenser Tubes?
Industries such as power generation, petrochemical, oil & gas, desalination, and marine sectors widely use Duplex Steel S32205 Condenser Tubes due to their durability, corrosion resistance, and long service life in demanding conditions.
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At Sumer Metal Industries Pvt. Ltd., we follow a zero-defect policy by implementing stringent quality checks, using certified raw materials, and continuously improving our processes to deliver reliable and consistent tubing solutions
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