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Quality S32750 Super Duplex Stainless Steel Pipe ASTM A790 High Mechanical Strength factory
Quality S32750 Super Duplex Stainless Steel Pipe ASTM A790 High Mechanical Strength factory
Quality S32750 Super Duplex Stainless Steel Pipe ASTM A790 High Mechanical Strength factory
Quality S32750 Super Duplex Stainless Steel Pipe ASTM A790 High Mechanical Strength factory

S32750 Super Duplex Stainless Steel Pipe ASTM A790 High Mechanical Strength

Basic Properties
Place of Origin: MADE IN CHAINA
Brand Name: Baosteel，TISCO
Certification: EN 10204 Type 3.1 / 3.2 available
Model Number: 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507
Trading Properties
Minimum Order Quantity: 100kg
Price: Negotiable (Request a Quote)
Payment Terms: T/T，D/P，D/A，Western Union，PayPal
Supply Ability: 10000tons
Tags

Molybdenum Alloy Stainless Steel Pipe

Stainless Steel Pipe Chloride Resistance

Super Duplex Stainless Steel Pipe
Product Summary
S32750 Super Duplex Tube ASTM A790

Product Details

Highlight:

Super Duplex Stainless Steel Pipe

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Duplex Stainless Steel Pipe ASTM A790
Country Of Origin: MADE IN CHAINA
Brand: Baosteel，TISCO
Certifications: ISO/EN 10204 Type 3.1 / 3.2 Available
Grade: 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 / 630 (17-4PH)
MOQ: 100kg
Price: Negotiable (Request A Quote)
Packaging: Wooden Case / Wooden Pallet / Steel Frame / Carton / Woven Bag
Delivery Time: 15-25days
Payment Terms: T/T，D/P，D/A，Western Union，PayPal
Supply Capacity: 10000tons
Product Description
S32750 Super Duplex Stainless Steel Pipe
S32750 super duplex stainless steel pipe is a super duplex stainless steel with a ferritic-austenitic microstructure (approximately 50% ferrite / 50% austenite). It is specifically designed for applications requiring exceptional corrosion resistance combined with very high mechanical strength.
The alloy contains high levels of chromium (25%), molybdenum (4%), and nitrogen (0.3%), which provide outstanding resistance to pitting, crevice corrosion, and stress-corrosion cracking (SCC) in aggressive environments containing chlorides or hydrogen sulfide (H₂S). S32750 offers approximately twice the yield strength of standard austenitic stainless steels (304, 316), allowing for significant weight reduction in structural applications.
Product Specifications
Parameter Details
Standard ASTM A240 / ASME SA240
Grade Super Duplex 2507 (UNS S32750 / S32760)
Type Hot-rolled or cold-rolled plate
Thickness Range 1.5mm - 100mm (1/16" - 4")
Width Range 1000mm - 3500mm (standard: 1500mm, 2000mm, 2500mm)
Length Range 3000mm - 12000mm (custom lengths available)
Surface Finish No.1 (hot rolled, annealed & pickled) / No.2B (cold rolled) / Polished
Processing Service Cutting (plasma, laser, waterjet), drilling, bending, welding
Test Certificate EN 10204 3.1 / Mill Test Certificate (3.2 available)
Applications Offshore platforms, chemical tankers, desalination, FGD, heat exchangers
Chemical Composition (%, typical)
Element Min % Max %
Chromium (Cr) 24.0 26.0
Nickel (Ni) 6.0 8.0
Molybdenum (Mo) 3.0 5.0
Nitrogen (N) 0.24 0.32
Carbon (C) -- 0.030
Manganese (Mn) -- 1.20
Silicon (Si) -- 0.80
Phosphorus (P) -- 0.035
Sulfur (S) -- 0.020
Copper (Cu) -- 0.50
Iron (Fe) Balance Balance
Mechanical Properties
Physical Properties
Property Value
Density 7.80 g/cm³ (0.282 lb/in³)
Melting Range 1350 - 1400 °C (2460 - 2550 °F)
Coefficient of Thermal Expansion 13.0 μm/m*K (7.2 μin/in*°F)
Modulus of Elasticity 200 kN/mm² (29,000 ksi)
Typical Tensile Properties (Annealed Condition)
Property Value
Tensile Strength, min 800 MPa (116 ksi)
Yield Strength (0.2% offset), min 550 MPa (80 ksi)
Elongation, min 15%
Hardness (Brinell), max 310 HB
Comparison: Super Duplex vs Other Grades
Property S32750 (Super Duplex) S32205 (Duplex 2205) 316L (Austenitic)
Yield strength (min) 550 MPa 450 MPa 205 MPa
PRE (Pitting Resistance Eq.) ≥40 ≥35 24-26
SCC resistance Excellent Good Poor
Cost Highest Moderate Low
Best application Seawater, sour gas General chemical General purpose
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