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254SMo Super Austenitic Stainless Steel Plate UNS S31254 with High Molybdenum

China 254SMo Super Austenitic Stainless Steel Plate UNS S31254 with High Molybdenum

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254SMo Super Austenitic Stainless Steel Plate UNS S31254 with High Molybdenum

MOQ： 50 kg
Price： US $8.25-10.85 / kg
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Model NO.	254SMO
Shape	Flat
Technique	Cold Rolled
Surface Treatment	Bright
Specification	12202440, 15003000, 15006000, 20006000mm
Production Capacity	50000kgs
Carbon Content	0.010%
Chromium Content	20%
Nickel Content	18%
Molybdenum Content	6.1%
Nitrogen Content	0.20%
Tensile Strength	680 MPa
Yield Strength	300 MPa
Elongation at Break	50%
Hardness Brinell	210
Certification	ISO, AISI, ASTM

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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
Carbon Content	0.010%	Chromium Content	20%
Nickel Content	18%	Molybdenum Content	6.1%
Nitrogen Content	0.20%	Tensile Strength	680 MPa
Yield Strength	300 MPa	Elongation at Break	50%
Hardness Brinell	210	Certification	ISO, AISI, ASTM
High Light	Corrosion Resistant 254SMo Stainless Steel Plate ，High Molybdenum Content UNS S31254 Plate ，Seawater Applications Super Austenitic Stainless Steel Plate

254SMo Super Stainless Steel Plate

UNS S31254 Plate | SMO 254 Equivalent

Product Overview

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 pure austenitic stainless steel, and when carbon content is under 0.01%, it can be classified as super austenitic stainless steel.

Key Features of 254SMo Stainless Steel

High-alloy composition with elevated nickel, chromium, and molybdenum content
6% molybdenum content provides exceptional local corrosion resistance
Superior resistance to pitting corrosion (PI ≥ 40) and stress corrosion
Excellent performance in harsh conditions including seawater, aeration, and low-speed scouring
Suitable replacement for nickel-based alloys and titanium alloys
Enhanced high-temperature 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
High nitrogen content provides improved mechanical strength
Excellent ductility, impact strength, and 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, ocean 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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