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Alloy 254 Plate 254SMo Stainless Steel Plate with High Molybdenum Content for

China Alloy 254 Plate 254SMo Stainless Steel Plate with High Molybdenum Content for

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Alloy 254 Plate 254SMo Stainless Steel Plate with High Molybdenum Content for

MOQ： 50 kg
Price： US $5.35-13.5 / kg
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Model NO.	254smo
Shape	Flat
Technique	Cold Rolled
Surface Treatment	Bright
Specification	12202440, 15003000, 15006000, 20006000mm
Production Capacity	50000kgs
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
Elongation at Break	50%

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Product Details
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Product Specification


Model NO.	254smo	Shape	Flat
Technique	Cold Rolled	Surface Treatment	Bright
Specification	12202440, 15003000, 15006000, 20006000mm	Production Capacity	50000kgs
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
Elongation at Break	50%
High Light	Corrosion Resistant Alloy 254 Plate ，High Molybdenum Content 254SMo Stainless Steel Plate ，Super Austenitic UNS S31254 Plate

Alloy 254 (STAINLESS 6Mo - UNS S31254) Plate - 254SMo Stainless Steel Plate

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 is classified as pure austenitic stainless steel, and when carbon content is under 0.01%, it qualifies as 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, making it suitable for harsh conditions including seawater, aeration, gaps, and low-speed scouring environments.

Excellent pitting corrosion resistance (PI ≥ 40) and stress corrosion cracking resistance
Superior alternative to nickel-based alloys and titanium alloys
Enhanced high-temperature resistance and corrosion resistance compared to 304 stainless steel
Stable austenitic metallurgical structure
High crevice corrosion resistance in seawater, even at elevated temperatures
Strong corrosion resistance in acidic solutions and oxidizing halide solutions
Enhanced mechanical strength due to high nitrogen content
High ductility, impact strength, and excellent weldability

Technical Specifications

Material 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

Applications

Ocean: Marine structures, seawater desalination, marine aquaculture, seawater heat exchange
Environmental Protection: Flue gas desulfurization, wastewater treatment
Energy: Nuclear power generation, coal utilization, wave power generation
Petrochemical Industry: Refining, chemical equipment
Food: Salt production, soy sauce brewing
High Chloride Environments: Paper industry, bleaching equipment
Various other industrial applications

Material Designations

Grade 254SMo Type 254SMo Inox 254SMo AISI 254SMo SUS 254SMo 1.4547 UNS S31254 Acero 254SMo

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Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...

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