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NPS 1 Inch Alloy 254 Pipe - Corrosion Resistant High Molybdenum Content Stainless Steel Seamless Tube for Seawater Applications
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NPS 1 Inch Alloy 254 Pipe - Corrosion Resistant High Molybdenum Content Stainless Steel Seamless Tube for Seawater Applications
  • Name
  • Name
  • Name
  • Name
  • Name

NPS 1 Inch Alloy 254 Pipe - Corrosion Resistant High Molybdenum Content Stainless Steel Seamless Tube for Seawater Applications

MOQ: 50
Price: 2.55
Details Information
Product Description
Detail Information
Outer Diameter:
33.4mm
Wall Thickness:
Sch. 40
Length:
6m
Material Grade:
Alloy 254 (UNS S31254)
Shape:
Round
Technique:
Cold Rolled
Surface Treatment:
Bright
Iron Content:
55.69%
Chromium Content:
20%
Nickel Content:
18%
Molybdenum Content:
6.1%
Nitrogen Content:
0.20%
Carbon Content:
0.010%
Tensile Strength:
680 MPa
Yield Strength:
300 MPa
Highlight:

Corrosion Resistant Alloy 254 Pipe

,

High Molybdenum Content 254SMo Pipe

,

Seawater Applications Stainless Steel Seamless Tube

Product Description
NPS 1 Inch Alloy 254 (UNS S31254) Stainless Steel Pipe
254SMo is an austenitic stainless steel specifically developed for use in halide-containing environments such as seawater. This steel demonstrates superior performance particularly in halide-containing acids and offers excellent resistance to uniform corrosion. With carbon content below 0.02%, it qualifies as a pure austenitic stainless steel, and when carbon content is under 0.01%, it can be classified as a super austenitic stainless steel.
Key Features of Inox 254SMo
As a super stainless steel, 254SMo represents a high-alloy stainless steel containing elevated levels of nickel, chromium, and molybdenum. The 6% molybdenum content provides exceptional local corrosion resistance, including strong resistance to pitting corrosion (PI ≥ 40) and stress corrosion in demanding conditions like seawater, aeration, gaps, and low-speed scouring. This makes it an excellent alternative to nickel-based alloys and titanium alloys.
254SMo exhibits superior high-temperature resistance and corrosion performance compared to standard 304 stainless steel. Its stable austenitic metallurgical structure ensures reliable performance across various applications.
Extensive field testing confirms 254SMo's high crevice corrosion resistance in seawater, even at elevated temperatures—a property shared by only a few stainless steel types. In acidic solutions and oxidizing halide environments typical of paper bleaching processes, 254SMo demonstrates corrosion resistance comparable to the most advanced nickel-based alloys and titanium alloys.
The high nitrogen content provides enhanced mechanical strength relative to other austenitic stainless steels, while maintaining excellent ductility, impact strength, and weldability. The elevated molybdenum content results in higher oxidation rates during annealing, producing a slightly rougher surface after pickling than conventional stainless steels, though this does not compromise corrosion resistance.
Material Specifications
International Standards
Standard UNS Werkstoff Nr. EN SS AFNOR
254 SMO S31254 1.4529 X1CrNiMoCuN20-18-7 2378* Z1 CNDU 20.18.06AZ*
Chemical Composition
Element Content (%)
Iron, Fe 55.69
Chromium, Cr 20
Nickel, Ni 18
Molybdenum, Mo 6.1
Nitrogen, N 0.20
Carbon, C 0.010
Mechanical Properties
Properties Metric Imperial
Tensile strength 680 MPa 98600 psi
Yield strength 300 MPa 43500 psi
Modulus of elasticity 195 GPa 28300 ksi
Shear modulus 75 GPa 10900 ksi
Poisson's ratio 0.30 0.30
Elongation at break 50 % 50 %
Hardness, Brinell 210 210
Application Areas
  • Ocean: Marine structures in sea environments, seawater desalination, marine aquaculture, seawater heat exchange
  • Environmental Protection: Flue gas desulfurization for thermal power generation, wastewater treatment
  • Energy: Nuclear power generation, comprehensive coal utilization, ocean wave power generation
  • Petrochemical Industry: Refining operations, chemical processing equipment
  • Food Industry: Salt production, soy sauce brewing processes
  • High Chloride Environments: Paper industry applications, various bleaching systems
  • Other specialized industrial applications
Product Images
NPS 1 Inch Alloy 254 Pipe - Corrosion Resistant High Molybdenum Content Stainless Steel Seamless Tube for Seawater Applications 0 NPS 1 Inch Alloy 254 Pipe - Corrosion Resistant High Molybdenum Content Stainless Steel Seamless Tube for Seawater Applications 1 NPS 1 Inch Alloy 254 Pipe - Corrosion Resistant High Molybdenum Content Stainless Steel Seamless Tube for Seawater Applications 2 NPS 1 Inch Alloy 254 Pipe - Corrosion Resistant High Molybdenum Content Stainless Steel Seamless Tube for Seawater Applications 3 NPS 1 Inch Alloy 254 Pipe - Corrosion Resistant High Molybdenum Content Stainless Steel Seamless Tube for Seawater Applications 4 NPS 1 Inch Alloy 254 Pipe - Corrosion Resistant High Molybdenum Content Stainless Steel Seamless Tube for Seawater Applications 5
Related Designations
Grade 254SMo, Type 254SMo, Inox 254SMo, AISI 254SMo, SUS 254SMo, 1.4547, UNS S31254, Acero 254SMo
Tags: 

DIN2391 Precision Seamless Steel Pipe,  

Cold Drawn Precision Seamless Steel Pipe,  

DIN2391 Hydraulic Precision Steel Pipe

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Stainless Steel U Bar

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NPS 1 Inch Alloy 254 Pipe - Corrosion Resistant High Molybdenum Content Stainless Steel Seamless Tube for Seawater Applications
  • Name
  • Name
  • Name
  • Name
  • Name
NPS 1 Inch Alloy 254 Pipe - Corrosion Resistant High Molybdenum Content Stainless Steel Seamless Tube for Seawater Applications
MOQ: 50
Price: 2.55
Detail Information
Product Description
Detail Information
Outer Diameter:
33.4mm
Wall Thickness:
Sch. 40
Length:
6m
Material Grade:
Alloy 254 (UNS S31254)
Shape:
Round
Technique:
Cold Rolled
Surface Treatment:
Bright
Iron Content:
55.69%
Chromium Content:
20%
Nickel Content:
18%
Molybdenum Content:
6.1%
Nitrogen Content:
0.20%
Carbon Content:
0.010%
Tensile Strength:
680 MPa
Yield Strength:
300 MPa
Minimum Order Quantity:
50
Price:
2.55
Highlight

Corrosion Resistant Alloy 254 Pipe

,

High Molybdenum Content 254SMo Pipe

,

Seawater Applications Stainless Steel Seamless Tube

Product Description
NPS 1 Inch Alloy 254 (UNS S31254) Stainless Steel Pipe
254SMo is an austenitic stainless steel specifically developed for use in halide-containing environments such as seawater. This steel demonstrates superior performance particularly in halide-containing acids and offers excellent resistance to uniform corrosion. With carbon content below 0.02%, it qualifies as a pure austenitic stainless steel, and when carbon content is under 0.01%, it can be classified as a super austenitic stainless steel.
Key Features of Inox 254SMo
As a super stainless steel, 254SMo represents a high-alloy stainless steel containing elevated levels of nickel, chromium, and molybdenum. The 6% molybdenum content provides exceptional local corrosion resistance, including strong resistance to pitting corrosion (PI ≥ 40) and stress corrosion in demanding conditions like seawater, aeration, gaps, and low-speed scouring. This makes it an excellent alternative to nickel-based alloys and titanium alloys.
254SMo exhibits superior high-temperature resistance and corrosion performance compared to standard 304 stainless steel. Its stable austenitic metallurgical structure ensures reliable performance across various applications.
Extensive field testing confirms 254SMo's high crevice corrosion resistance in seawater, even at elevated temperatures—a property shared by only a few stainless steel types. In acidic solutions and oxidizing halide environments typical of paper bleaching processes, 254SMo demonstrates corrosion resistance comparable to the most advanced nickel-based alloys and titanium alloys.
The high nitrogen content provides enhanced mechanical strength relative to other austenitic stainless steels, while maintaining excellent ductility, impact strength, and weldability. The elevated molybdenum content results in higher oxidation rates during annealing, producing a slightly rougher surface after pickling than conventional stainless steels, though this does not compromise corrosion resistance.
Material Specifications
International Standards
Standard UNS Werkstoff Nr. EN SS AFNOR
254 SMO S31254 1.4529 X1CrNiMoCuN20-18-7 2378* Z1 CNDU 20.18.06AZ*
Chemical Composition
Element Content (%)
Iron, Fe 55.69
Chromium, Cr 20
Nickel, Ni 18
Molybdenum, Mo 6.1
Nitrogen, N 0.20
Carbon, C 0.010
Mechanical Properties
Properties Metric Imperial
Tensile strength 680 MPa 98600 psi
Yield strength 300 MPa 43500 psi
Modulus of elasticity 195 GPa 28300 ksi
Shear modulus 75 GPa 10900 ksi
Poisson's ratio 0.30 0.30
Elongation at break 50 % 50 %
Hardness, Brinell 210 210
Application Areas
  • Ocean: Marine structures in sea environments, seawater desalination, marine aquaculture, seawater heat exchange
  • Environmental Protection: Flue gas desulfurization for thermal power generation, wastewater treatment
  • Energy: Nuclear power generation, comprehensive coal utilization, ocean wave power generation
  • Petrochemical Industry: Refining operations, chemical processing equipment
  • Food Industry: Salt production, soy sauce brewing processes
  • High Chloride Environments: Paper industry applications, various bleaching systems
  • Other specialized industrial applications
Product Images
NPS 1 Inch Alloy 254 Pipe - Corrosion Resistant High Molybdenum Content Stainless Steel Seamless Tube for Seawater Applications 0 NPS 1 Inch Alloy 254 Pipe - Corrosion Resistant High Molybdenum Content Stainless Steel Seamless Tube for Seawater Applications 1 NPS 1 Inch Alloy 254 Pipe - Corrosion Resistant High Molybdenum Content Stainless Steel Seamless Tube for Seawater Applications 2 NPS 1 Inch Alloy 254 Pipe - Corrosion Resistant High Molybdenum Content Stainless Steel Seamless Tube for Seawater Applications 3 NPS 1 Inch Alloy 254 Pipe - Corrosion Resistant High Molybdenum Content Stainless Steel Seamless Tube for Seawater Applications 4 NPS 1 Inch Alloy 254 Pipe - Corrosion Resistant High Molybdenum Content Stainless Steel Seamless Tube for Seawater Applications 5
Related Designations
Grade 254SMo, Type 254SMo, Inox 254SMo, AISI 254SMo, SUS 254SMo, 1.4547, UNS S31254, Acero 254SMo
Tags: 

DIN2391 Precision Seamless Steel Pipe,

Cold Drawn Precision Seamless Steel Pipe,

DIN2391 Hydraulic Precision Steel Pipe

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