UNS S31254

UNS S31254 / Alloy 6Mo / WNR 1.4547 / F44 / 254SMO Super Austenitic Stainless
Steel
UNS S31254 is a high corrosion resistant Super Austenitic Stainless Steel and
provide excellent corrosion resistance in severe corrosion environments such as
high temperature seawater.
We offer a comprehensive selection of seamless/welded stainless steel pipes,
including the UNS S31254 super austenitic stainless steel pipe, also known as
254SMo or WNR 1.4547. Made with high-quality materials and under strict
manufacturing standards, these pipes are perfect for a variety of applications
in seawater handling systems, desalination plant equipment, chemical
processing, and flue gas desulphurization units.
UNS S31254 Stainless Steel Pipe Features:
- High corrosion resistance: Made with alloy UNS S31254, these pipes are
highly resistant to corrosion in harsh environments, including high chloride
and acidic conditions.
- High strength: The WNR 1.4547 pipes are made with a super austenitic
stainless steel with high strength, making them durable and reliable for a
range of applications.
- Excellent weldability: The 6mo stainless steel pipes are easy to weld and
fabricate, making them a versatile solution for complex piping systems.
- Compliant with industry standards: The 254SMO Super Austenitic Stainless
Steel pipes meet the manufacturing standards of ASTM A269, ASTM A312, and ASTM
A213, ensuring quality and reliability.
UNS S31254 Chemical Composition (%)
% C Mn P S Si Ni Cr Mo N
Cu
Min 17.5 19.5 6.0 0.18
0.50
Max 0.02 1.00 0.030 0.010 0.80 18.5 20.5 6.5 0.25
1.00

254SMO Physical Properties：
Density 8.02 Mg/m³
Melting Range 1360-1405 ℃


UNS S31254 Stainless Steel Pipe Applications:
- Seawater handling systems: The UNS 31254 Stainless Steel pipes are ideal
for use in seawater handling systems due to their high corrosion resistance and
strength.
- Desalination plant equipment: The  WNR 1.4547 Stainless Steel tubes are
widely used in desalination plant equipment due to their ability to withstand
high chloride and saltwater environments.
- Chemical processing: The UNS S31254 pipes are suitable for chemical
processing due to their corrosion resistance and thermal stability.
- Flue gas desulphurization unit: The Alloy 6Mo Stainless Steel pipes are
ideal for use in flue gas desulphurization units due to their resistance to
acids and ability to handle high temperatures.
Manufacturing Standards:
ASTM A213
ASTM A312
ASTM A269
Also individual customer specifications, as a professional UNS 31254 Stainless
Steel pipes and tubing supplier, Hengyang is committed to providing high-
quality stainless steel pipes to meet the needs of our customers. Contact 
us today for more information on the UNS S31254 pipe and other products in
our collection.

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