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Corrosion Resistant High Molybdenum Content Super Austenitic 254 SMO Stainless Steel Plate UNS S31254

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Mr. Gao Ben

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Corrosion Resistant High Molybdenum Content Super Austenitic 254 SMO Stainless Steel Plate UNS S31254

MOQ:	50
Price:	3.25

Details Information

Product Description

Detail Information

Certification

ISO, AISI, ASTM

Model Number:

254smo

Shape:

Flat

Technique:

Cold Rolled

Surface Treatment:

Bright

Specification:

1220*2440, 1500*3000, 1500*6000, 2000*6000mm

Thickness:

4mm-100mm

Width:

1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm

Length:

2000mm, 2440mm, 3000mm, 5800mm, 6000mm

Surface Finish:

2B, 2D, BA, NO.1, NO.4, NO.8, 8K, Mirror, Checkered, Embossed, Hair Line, Sand Blast, Brush, Etching

Form:

Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange)

Density:

8.0 G/cm3

Melting Point:

1320-1390 °C

Yield Strength:

300

Tensile Strength:

650

Elongation:

35 %

Highlight:

Corrosion Resistant Stainless Steel Plate

High Molybdenum Content 254 SMO Plate

Super Austenitic UNS S31254 Plate

Product Description

ASTM A240 UNS S31254 / 1.4547 / 254SMO Duplex Stainless Steel Plates & Sheets

Alloy 254 UNS S31254 Plate, 254 SMO Plate, SA 240 UNS S31254 Plate, SS 254 SMO F44 Plates

Product Specifications

Specification	Details
Standard	ASTM A240 / ASME SA240
Thickness	4mm - 100mm
Width	1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc
Length	2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc
Surface	2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, etc
Finish	Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated)
Form	Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc.

Chemical Composition

Element	Composition (%)
Ni	17.5 – 18.5
Cr	19.5 – 20.5
Mo	6 – 6.5
Cu	0.5 – 1.0
N	0.18 – 0.22
C	0.02
Mn	1.0
Si	0.08
P	0.03
S	0.01

Mechanical Properties

Property	Value
Density	8.0 g/cm³
Melting Point	1320-1390 °C
Yield Strength (0.2% Offset)	300 MPa
Tensile Strength	650 MPa
Elongation	35%

Equivalent Grades

Standard	Designation
UNS	S31254
WERKSTOFF NR.	1.4547
AFNOR	Z1 CNDU 20.18.06Az
EN	X1CrNiMoCuN20-18-7
SIS	2378

Applications

Elevated oil distillation columns
Exhaust gas desulfurization scrubbers
Pumps, chokes, and valves
Industrial components for oil and gas
Food processing equipment
Pipework and manifolds
Saltwater handling systems
Chemical industry components
Bleaching equipment in pulp & paper industry
Desalination equipment
Heat exchangers
Petroleum production equipment
Flue gas desulphurization scrubbers
Tall oil distillation columns
Offshore oil & gas production equipment

Product Overview

Alloy 254 SMO is a premium molybdenum and nitrogen alloyed super austenitic stainless steel with low carbon content. It demonstrates outstanding resistance to pitting, crevice corrosion, stress cracking, and corrosion fatigue. Alloy 254 SMO is substantially stronger than common austenitic grades, with strength nearly twice that of 300 series stainless steel, while maintaining high ductility and impact strength.

With high levels of chromium, molybdenum, and nitrogen, Alloy 254 SMO is frequently used in high chloride environments such as brackish water, seawater, pulp mill bleach plants, and other chloride process streams. In many applications, it serves as a cost-effective substitute for high nickel and titanium alloys.

Corrosion Resistance

Excellent resistance to pitting and crevice corrosion due to high chromium, molybdenum, and nitrogen content
Very low carbon content minimizes risk of carbide precipitation during heating
Superior resistance in chloride-containing water, suitable for prolonged seawater exposure without crevice corrosion

Product Images

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Aluminum Material

Corrosion Resistant High Molybdenum Content Super Austenitic 254 SMO Stainless Steel Plate UNS S31254

MOQ:	50
Price:	3.25

Detail Information

Product Description

Detail Information

Certification

ISO, AISI, ASTM

Model Number:

254smo

Shape:

Flat

Technique:

Cold Rolled

Surface Treatment:

Bright

Specification:

1220*2440, 1500*3000, 1500*6000, 2000*6000mm

Thickness:

4mm-100mm

Width:

1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm

Length:

2000mm, 2440mm, 3000mm, 5800mm, 6000mm

Surface Finish:

2B, 2D, BA, NO.1, NO.4, NO.8, 8K, Mirror, Checkered, Embossed, Hair Line, Sand Blast, Brush, Etching

Form:

Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange)

Density:

8.0 G/cm3

Melting Point:

1320-1390 °C

Yield Strength:

300

Tensile Strength:

650

Elongation:

35 %

Minimum Order Quantity:

Price:

3.25

Highlight

Corrosion Resistant Stainless Steel Plate

High Molybdenum Content 254 SMO Plate

Super Austenitic UNS S31254 Plate

Product Description

ASTM A240 UNS S31254 / 1.4547 / 254SMO Duplex Stainless Steel Plates & Sheets

Alloy 254 UNS S31254 Plate, 254 SMO Plate, SA 240 UNS S31254 Plate, SS 254 SMO F44 Plates

Product Specifications

Specification	Details
Standard	ASTM A240 / ASME SA240
Thickness	4mm - 100mm
Width	1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc
Length	2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc
Surface	2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, etc
Finish	Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated)
Form	Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc.

Chemical Composition

Element	Composition (%)
Ni	17.5 – 18.5
Cr	19.5 – 20.5
Mo	6 – 6.5
Cu	0.5 – 1.0
N	0.18 – 0.22
C	0.02
Mn	1.0
Si	0.08
P	0.03
S	0.01

Mechanical Properties

Property	Value
Density	8.0 g/cm³
Melting Point	1320-1390 °C
Yield Strength (0.2% Offset)	300 MPa
Tensile Strength	650 MPa
Elongation	35%

Equivalent Grades

Standard	Designation
UNS	S31254
WERKSTOFF NR.	1.4547
AFNOR	Z1 CNDU 20.18.06Az
EN	X1CrNiMoCuN20-18-7
SIS	2378

Applications

Elevated oil distillation columns
Exhaust gas desulfurization scrubbers
Pumps, chokes, and valves
Industrial components for oil and gas
Food processing equipment
Pipework and manifolds
Saltwater handling systems
Chemical industry components
Bleaching equipment in pulp & paper industry
Desalination equipment
Heat exchangers
Petroleum production equipment
Flue gas desulphurization scrubbers
Tall oil distillation columns
Offshore oil & gas production equipment

Product Overview

Corrosion Resistance

Excellent resistance to pitting and crevice corrosion due to high chromium, molybdenum, and nitrogen content
Very low carbon content minimizes risk of carbide precipitation during heating
Superior resistance in chloride-containing water, suitable for prolonged seawater exposure without crevice corrosion

Product Images

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