Web Menu

Product Search

Language

Share

Duplex Stainless Steel S32205 Pipe Components custom

Duplex Stainless Steel S32205 Pipe Components Manufacturers

-- Steady & Reliable Manufacturer --

Advanced Duplex 2205 Engineering

Our Duplex 2205 (S31803/S32205) pipe fittings offer a balanced microstructure of austenite and ferrite, providing the "best of both worlds." This material delivers nearly double the yield strength of standard austenitic stainless steels while offering exceptional fatigue strength. Engineered for high-stress environments, these fittings are particularly effective in preventing stress corrosion cracking (SCC), which is a common failure point for 300-series stainless steels. Our manufacturing process ensures strict control over the ferrite-austenite ratio to guarantee optimal mechanical performance.

Categories

Product

Engineering Standards

Specification Data
UNS Designation S31803 / S32205
Tensile Strength ≥ 620 MPa
Yield Strength (0.2%) ≥ 450 MPa
Elongation ≥ 25%
Standard Compliance ASTM A815, ASME SA815

Severe Service Environments

Duplex 2205 is the material of choice for the desalination industry, where high-pressure brine systems would quickly degrade lesser metals. It is extensively used in oil and gas "sour" service where H2S and CO2 levels are high. Chemical tankers and chemical processing plants use Duplex 2205 for piping systems handling organic acids and chloride solutions. Furthermore, the pulp and paper industry utilizes these fittings in digesters and bleach plant equipment due to their high resistance to localized corrosion and erosion-corrosion.

Performance Highlights

  • Cost Efficiency: Higher strength allows for thinner wall thickness, reducing overall project weight and material cost.
  • Resistance to SCC: Virtually immune to chloride stress corrosion cracking.
  • Erosion Resistance: Excellent durability in abrasive slurry or high-velocity fluid applications.
  • High Thermal Conductivity: Lower thermal expansion coefficient compared to austenitic stainless steels.

Secure Delivery Systems

Payment is typically structured as 30% T/T advance with the balance due after final inspection but before shipment. We welcome third-party inspections from SGS or BV. Our logistics team handles FOB, CIF, and CFR shipments. Given the high value of Duplex materials, we use reinforced plywood cases and moisture-proof packaging. Each shipment is insured to provide peace of mind during long-haul maritime transport. Track-and-trace details are provided immediately upon vessel departure.

  • Q: Is Duplex 2205 magnetic?
  • A: Yes, due to its 50% ferrite content, Duplex 2205 is magnetic, unlike 300-series stainless steels.
  • Q: What is the maximum service temperature for Duplex 2205?
  • A: It is generally limited to temperatures below 300°C (572°F) to avoid embrittlement of the micro-components.
Contact form
Contact Us
Jiangyin Gaoxin Pipe Fittings Co., Ltd.
About Us
JIANGYIN GAOXIN PIPE FITTINGS CO.,LTD.
Our company is a professional manufacturer of pressure piping components. As Duplex Stainless Steel S32205 Pipe Components Manufacturers，Our product range covers butt-weld, socket-weld, and threaded pipe fittings, including flanges and customized non-standard parts. These products are widely used in industries such as oil & gas, chemical processing, power generation, shipbuilding, papermaking, metallurgy, pharmaceuticals, and food processing. We manufacture according to standards such as ASME, EN,JIS,DIN,ANSI,GOST, MSS, GB/T,HG, DL, SH, SY,and have a complete range of inspection equipment, a strict quality control system, and various certifications（PED,AD2000,EAC, ABS,BV, DNV,NORSOK M650, ISO9001,ISO14001,ISO45001,etc.）, making us a leader in the industry.

Related TAG