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Corrosion Resistant 254 SMO Stainless Steel Plate with High Molybdenum Content and Cold Rolled Finish

Certification	ISO, AISI, ASTM
Minimum Order Quantity	50 kg
Price	US $5.65-10.85 / kg

Product Details

Model NO.	254 Smo	Shape	Flat
Technique	Cold Rolled	Surface Treatment	Bright
Specification	12202440, 15003000, 15006000, 20006000mm	Production Capacity	50000kgs
Tensile Strength	680 MPa	Yield Strength	300 MPa
Modulus Of Elasticity	195 GPa	Shear Modulus	75 GPa
Poisson's Ratio	0.30	Elongation At Break	50%
Hardness Brinell	210	Carbon Content	0.010%
Molybdenum Content	6.1%
Highlight	Corrosion Resistant Stainless Steel Plate , High Molybdenum Content 254 SMO Plate , Cold Rolled Alloy 254 Plate

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Product Description

254 SMO Stainless Steel Plate

Alloy 254 SMO is a premium super austenitic stainless steel plate with low carbon content, alloyed with molybdenum and nitrogen. This high-performance material offers exceptional resistance to pitting, crevice corrosion, stress corrosion cracking, and corrosion fatigue. With strength nearly double that of standard 300 series stainless steel, 254 SMO also provides high ductility and impact strength, making it ideal for demanding industrial applications.

Key Applications

Petroleum production equipment
Saltwater and seawater handling systems
Food and chemical processing equipment
Pulp mill bleach systems
Flue gas desulphurization scrubbers
Tall oil distillation columns
Offshore oil & gas production equipment
Desalination equipment

Material Specifications

International Standards

Standard	Designation
UNS	S31254
Werkstoff Nr.	1.4529
EN	X1CrNiMoCuN20-18-7
DIN	2.4660
AFNOR	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

Corrosion Resistance

254 SMO stainless steel demonstrates excellent resistance to pitting and crevice corrosion due to its high chromium, molybdenum, and nitrogen content. The very low carbon content minimizes risk of carbide precipitation during heating. This alloy maintains exceptional performance in chloride-containing environments, including seawater, making it suitable for prolonged exposure without suffering from crevice corrosion.

Industry 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 and chemical equipment
Food Industry: Salt production, soy sauce brewing
Paper Industry: Various bleaching devices in high chloride environments

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