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Contact Person : Joy Wang
Phone Number : 0086-21-31261985
WhatsApp : +8613524668060

Super Duplex UNS S32550 Reducing Tee with PREN ≥ 40 and ASME B16.9 Butt Weld Tee for High-Strength Applications

  • Super Duplex UNS S32550 Reducing Tee with PREN ≥ 40 and ASME B16.9 Butt Weld Tee for High-Strength Applications
  • Super Duplex UNS S32550 Reducing Tee with PREN ≥ 40 and ASME B16.9 Butt Weld Tee for High-Strength Applications
  • Super Duplex UNS S32550 Reducing Tee with PREN ≥ 40 and ASME B16.9 Butt Weld Tee for High-Strength Applications
  • Super Duplex UNS S32550 Reducing Tee with PREN ≥ 40 and ASME B16.9 Butt Weld Tee for High-Strength Applications
  • Super Duplex UNS S32550 Reducing Tee with PREN ≥ 40 and ASME B16.9 Butt Weld Tee for High-Strength Applications
Place of Origin Shanghai,China
Brand Name TOBO
Certification ISO/TUV/SGS
Model Number Stainless Steel Tee
Minimum Order Quantity 1PC
Price Negotiable
Packaging Details Standard Shipping Package
Delivery Time 15-30 Workdays
Payment Terms T/T,Western Union
Supply Ability 10 Ton/Month
Product Details
Material Grade UNS S32550 / F55 / 1.4507 / 255 Super Duplex Stainless Steel Standard ASTM A815, ASME B16.9, NACE MR0175/ISO 15156
Size Range 2" - 12" (DN50 - DN300) SCH80S PREN Value ≥ 40 (Excellent Chloride Pitting Resistance)
Highlight

Super Duplex S32550 F55 Tee

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High PREN Reducing Tee Fitting

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Offshore Grade Butt Weld Tee
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Product Description
Super Duplex UNS S32550 F55 255 Alloy Stainless Steel Reducing Tee Butt Weld ASME B16.9 2" to 12" SCH80S
Super Duplex UNS S32550 / F55 / 255 Alloy Stainless Steel Reducing Tee

TOBO offers premium Super Duplex UNS S32550 (F55 / 255 Alloy) stainless steel reducing tees for the most demanding corrosive and high-strength applications. With superior pitting resistance equivalent number (PREN ≥ 40) and excellent mechanical properties, this fitting excels in chlorinated seawater, chemical processing, and offshore environments.

Product Specifications
  • Product: Super Duplex Stainless Steel Reducing Tee
  • Material Grade: UNS S32550 / F55 / 1.4507 / 255 Alloy
  • Size Range: 2" - 12" (DN50 - DN300) Butt Weld
  • Wall Thickness: SCH10S, SCH40S, SCH80S, SCH160
  • Type: Reducing Tee, Seamless Construction
  • Standards: ASTM A815, ASME B16.9, NACE MR0175/ISO 15156
UNS S32550 Chemical Composition
Element C Cr Ni Mo N Cu W Mn Si
Content (%) ≤0.04 24.0-27.0 4.5-6.5 2.9-3.9 0.10-0.25 1.5-2.5 0.5-1.0 ≤1.5 ≤1.0
Mechanical Properties
Property Value
Tensile Strength ≥ 760 MPa (110 ksi)
Yield Strength (0.2%) ≥ 550 MPa (80 ksi)
Elongation ≥ 15%
Hardness ≤ 290 HB
PREN ≥ 40
Key Advantages
  • Exceptional Pitting Resistance: PREN ≥ 40 provides outstanding performance in chloride-rich and seawater environments
  • High Strength: Yield strength double that of standard austenitic 316L, allowing reduced wall thickness designs
  • Sour Service Qualified: Compliant with NACE MR0175/ISO 15156 for H2S-containing environments
  • Stress Corrosion Cracking Resistance: Superior to conventional stainless steels in hot chloride environments
  • Full Third-Party Inspection: UT, PT, RT, and PMI testing available upon request
Applications

Offshore oil and gas platforms, seawater cooling systems, desalination plants, chemical tankers, FPSO vessels, subsea manifolds, pulp and paper digesters, pollution control scrubbers

Reducing Tee Dimension Reference
Run x Branch DN (Run x Branch) OD Run (inch) OD Branch (inch) Center to End C (inch)
3" x 2"80 x 503.5002.3753.38
4" x 2"100 x 504.5002.3754.13
4" x 3"100 x 804.5003.5004.13
6" x 3"150 x 806.6253.5005.63
6" x 4"150 x 1006.6254.5005.63
8" x 4"200 x 1008.6254.5007.00
8" x 6"200 x 1508.6256.6257.00
10" x 6"250 x 15010.7506.6258.50
10" x 8"250 x 20010.7508.6258.50
12" x 8"300 x 20012.7508.62510.00
12" x 10"300 x 25012.75010.75010.00
Additional Information

Packing: Plywood case with individual protection

H.S Code: 73072300

Contact TOBO for UNS S32550 super duplex fitting quotations and mill test certificates.
Tags:

steel pipe tee

butt weld tee

stainless steel pipe tee