Specifications
Brand Name :
YUHONG
Model Number :
ASTM A790 UNS S3750
Certification :
ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin :
CHIAN
MOQ :
100KGS
Price :
Negotiable
Payment Terms :
L/C,T/T
Supply Ability :
According to customer's request
Delivery Time :
Depends on quantity
Packaging Details :
Bundle with plastic Cap / Ply Wooden Case
hydrotest-pressure :
≥ 100 bar (1500 psi)
purchasing-standard :
ASTM A790 + SA 790
en-10216-equivalent-grade :
1.4507
max-service-temperature :
300°C (572°F)
Description
ASTM A790 UNS S3750 Super Duplex Seamless Pipe | Chemical & Mechanical Properties | Global Supplier
Product Overview

Our ASTM A790 UNS S3750 (UNS S37500) seamless pipes deliver exceptional pitting/stress corrosion resistance in chloride-rich environments. Manufactured through rotary piercing and cold drawing, these super duplex stainless steel tubes exceed ASTM A790 tolerances for demanding offshore, chemical processing, and FGD applications.

Key Technical Specifications
Chemical Composition (ASTM A790 Table 1)
Element Min % Max % Typical %
Cr 24.0 26.0 25.2
Ni 6.0 8.0 6.8
Mo 3.0 4.0 3.5
N 0.20 0.30 0.25
C - 0.03 0.02
Mn - 1.2 0.8
Fe Balance - 62.5
Mechanical Properties
Parameter Requirement Test Standard
Tensile Strength ≥ 750 MPa ASTM A370
Yield Strength (0.2% offset) ≥ 550 MPa ASTM A370
Elongation (% in 50mm) ≥ 15% ASTM A370
Hardness (HBW) ≤ 310 ASTM E10
Impact Toughness (-46°C) ≥ 45 J ASTM A370
Dimensional Tolerances (Per ASTM A790)
Dimension Hot-Finished Cold-Drawn
OD Tolerance ±1.0% or ±0.5mm ±0.5% or ±0.25mm
Wall Thickness +20%/-0% ±10%
Straightness 3mm/m max 1.5mm/m max
Equivalent Standards & Grades
Region Standard Grade
International EN 10216-5 1.4507
Europe EN 10088-3 X2CrNiMoN25-7-4
Japan JIS G3463 SUS 329J4L
Unified Number UNS S37500
Key Advantages
  • Superior Corrosion Resistance: PREN >40 outperforms 316L in chlorides
  • 2X Strength vs. Austenitic SS: Reduces wall thickness/weight
  • Thermal Stability: Maintains properties up to 300°C (572°F)
  • Weldability: Qualified per ASME IX with ER2594 filler
  • Certified Traceability: DNV GL/ABS/PED 2014/68/EU
Primary Applications
Industry Critical Use Cases
Offshore Oil & Gas Subsea manifolds, Riser pipes, Christmas trees
Desalination Plants RO membranes, Brine heaters, Evaporator tubes
Chemical Processing Acid coolers, Reactor coils, CIP systems
Pollution Control FGD ducting, Scrubber modules
Pulp & Paper Digester vessels, Bleach plants
Why Choose Our S3750 Pipes?
  • Mill Direct Pricing: Stocked in sizes 1/2" to 24" (Sch 10S to XXS)
  • Full Compliance: Supplied with EN 10204 3.2 Certificates
  • Specialized Processing: Solution annealing at 1080±20°C + water quenching
  • Non-Destructive Testing: 100% UT + Hydrostatic testing per ASTM A1016
  • Global Logistics: EXW/FOB/CIF to Americas/Middle East/APAC
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ASTM A790 UNS S37500 Super Duplex Stainless Steel Seamless Pipe

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Brand Name :
YUHONG
Model Number :
ASTM A790 UNS S3750
Certification :
ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin :
CHIAN
MOQ :
100KGS
Price :
Negotiable
Contact Supplier
ASTM A790 UNS S37500 Super Duplex Stainless Steel Seamless Pipe
ASTM A790 UNS S37500 Super Duplex Stainless Steel Seamless Pipe
ASTM A790 UNS S37500 Super Duplex Stainless Steel Seamless Pipe
ASTM A790 UNS S37500 Super Duplex Stainless Steel Seamless Pipe

Yuhong Group Co.,Ltd

Verified Supplier
13 Years
zhejiang, ningbo
Since 2007
Business Type :
Manufacturer, Distributor/Wholesaler, Importer, Exporter, Trading Company, Seller, Other
Total Annual :
50M-70M
Employee Number :
50~850
Certification Level :
Verified Supplier
Contact Supplier
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