254SMO Stainless Steel Plate
254SMO Stainless Steel Plate is a super austenitic stainless steel characterized by high levels of molybdenum, chromium, and nitrogen, giving it an extremely high Pitting Resistance Equivalent Number (PREN > 40). This composition provides outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking in highly aggressive environments like seawater and acidic chloride solutions. It is the material of choice for severe service in the offshore, chemical processing, and pulp and paper industries for equipment such as scrubbers and heat exchangers.
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- Commodity name: 254SMO Stainless Steel Plate
254SMO Stainless Steel Plate is a super austenitic stainless steel characterized by high levels of molybdenum, chromium, and nitrogen, giving it an extremely high Pitting Resistance Equivalent Number (PREN > 40). This composition provides outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking in highly aggressive environments like seawater and acidic chloride solutions. It is the material of choice for severe service in the offshore, chemical processing, and pulp and paper industries for equipment such as scrubbers and heat exchangers.
254SMO Stainless Steel Plate Description
Applications
Seawater Handling Equipment (Pumps, Piping) Flue Gas Desulfurization (FGD) Scrubbers Chemical Process Vessels and Reactors Pulp and Paper Industry (Bleaching Systems) Oil and Gas Production (Offshore Platforms) Heat Exchangers (Brackish/Seawater Cooling) Pharmaceutical Production Equipment Desalination Plants (Reverse Osmosis) Storage Tanks for Halogen Acids Food Processing Equipment (High Salt Content) Product Parameters
Product Name
254SMO Stainless Steel Plate
Type
Plate
Thickness
0.3mm-200mm
Length
2000mm, 2438mm, 3000mm, 5800mm, 6000mm, 12000mm, etc.
Width
40mm-600mm, 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc.
Standard
ASTM, AISI, JIS, GB, DIN, EN, etc.
Surface
BA, 2B, NO.1, NO.4, 4K, HL, 8K, etc.
Scope of Application
Widely used in high temperature and electrical industry, medical equipment construction, chemical, food industry, agriculture and ship parts, food and beverage packaging,
Kitchen supplies, trains, airplanes, conveyor belts, vehicles, bolts, nuts, springs and screens, etc.
Certificate
ISO, SGS, BV, etc.
Production Technology
Hot Rolling, Cold Rolling
Edge Processing
Edging, Trimming
Approximate grade comparison table
UNS EN ASTM Chinese AFNOR S31254 (F44) 1.4547 (X1CrNiMoCuN20-18-7) 254SMO (A240/A182) 00Cr20Ni18Mo6CuN Z1 CNDU 20.18.06Az Chemical Composition
C (Carbon) Si (Silicon) Mn (Manganese) P (Phosphorus) S (Sulfur) Cr (Chromium) Ni (Nickel) Mo (Molybdenum) N (Nitrogen) Cu (Copper) Fe (Iron) ≤0.020 ≤0.80 ≤1.00 ≤0.040 ≤0.010 19.5 - 20.5 17.5 - 18.5 6.0 - 6.5 0.18 - 0.22 0.50 - 1.00 Balance Mechanical Properties
Tensile Strength (Rm) (MPa) Yield Strength (Rp0.2) (MPa) Elongation A5 (%) Hardness (HB / HRB) ≥650 ≥300 ≥35 ≤223HB, ≤96HRB Physical Performance
Density (g/cm3) Modulus of Elasticity (GPa) Thermal Expansion (10^-6 / deg C) (20-100 deg C) Thermal Conductivity (W/m.K) (20 deg C) Electrical Resistivity (micro-Ohm.cm) (20 deg C) ~8.00 ~200 ~16.0 ~14.0 ~85 -
254SMO Stainless Steel Plate - Stock Warehouse
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254SMO Stainless Steel Plate - Product Inspection
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254SMO Stainless Steel Plate - Product Measurement
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254SMO Stainless Steel Plate- Product Packaging
Taigang Yilian
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Taigang Yilian has 10+ warehouses with ready stock. The annual supply capacity is approximately 10 million tons. It has 10 years of experience in large-scale project supply. The customer reorder rate reaches 86%. We ensure quality and quantity, provide material certificates, and will refund if the products are not qualified, so please be assured the purchase.
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