Stainless Steel Grades

Comprehensive overview of available stainless steel grades

201 Stainless Steel

201

Cost-effective nickel-saving austenitic alloy with good corrosion resistance

Key Specifications

Standards:ASTM A240, UNS S20100

Composition:17% Cr, 4-6% Ni, 5.5-7.5% Mn

Tensile Strength:655-800 MPa

Common Applications

CookwareAutomotive trimUtensilsDecorative applications

202 Stainless Steel

202

General-purpose austenitic alloy with improved strength over 201

Key Specifications

Standards:ASTM A240, UNS S20200

Composition:17-19% Cr, 4-6% Ni, 7.5-10% Mn

Tensile Strength:620-780 MPa

Common Applications

Kitchen equipmentArchitectural panelsAutomotive componentsStructural supports

303 Stainless Steel

303

Free-machining austenitic alloy for improved machinability

Key Specifications

Standards:ASTM A582, UNS S30300

Composition:17-19% Cr, 8-10% Ni, 0.15% S min

Tensile Strength:515-690 MPa

Common Applications

Screws and boltsNuts and fittingsShafts and gearsMachined components

304 Stainless Steel

304

Standard austenitic chromium-nickel alloy with excellent corrosion resistance and formability

Key Specifications

Standards:ASTM A240, UNS S30400

Composition:18% Cr, 8% Ni

Tensile Strength:515-720 MPa

Common Applications

Food processing equipmentKitchen appliancesChemical containersArchitectural trim

310 Stainless Steel

310

High-temperature resistant austenitic alloy for furnace applications

Key Specifications

Standards:ASTM A240, UNS S31000

Composition:24-26% Cr, 19-22% Ni

Tensile Strength:515-690 MPa

Common Applications

Furnace componentsHeat exchangersKilns and ovensChemical processing

316 Stainless Steel

316

Molybdenum-enhanced corrosion-resistant alloy for harsh environments

Key Specifications

Standards:ASTM A240, UNS S31600

Composition:16-18% Cr, 10-14% Ni, 2-3% Mo

Tensile Strength:515-690 MPa

Common Applications

Marine equipmentPharmaceutical processingChemical processingCoastal architecture

409 Stainless Steel

409

Ferritic alloy optimized for automotive and exhaust systems

Key Specifications

Standards:ASTM A240, UNS S40900

Composition:10.5-11.75% Cr, 0.5% Ni, 0.5% Ti

Tensile Strength:380-560 MPa

Common Applications

Automotive exhaust systemsCatalytic convertersMufflersHeat exchangers

410 Stainless Steel

410

Martensitic alloy with good hardness and corrosion resistance

Key Specifications

Standards:ASTM A240, UNS S41000

Composition:11.5-13.5% Cr, 0.75% Ni

Tensile Strength:440-660 MPa

Common Applications

Cutlery and bladesFastenersPump shaftsValve components

430 Stainless Steel

430

Ferritic alloy for decorative and low-corrosion applications

Key Specifications

Standards:ASTM A240, UNS S43000

Composition:16-18% Cr, 0.75% Ni

Tensile Strength:450-600 MPa

Common Applications

Appliance panelsAutomotive trimKitchen equipmentDecorative applications

304L Stainless Steel

304L

Low carbon version of 304 for improved weldability

Key Specifications

Standards:ASTM A240, UNS S30403

Composition:18% Cr, 8% Ni, 0.03% max C

Tensile Strength:485-655 MPa

Common Applications

Welded assembliesChemical processing equipmentFood industryArchitectural applications

310S Stainless Steel

310S

Low carbon version of 310 for improved weldability

Key Specifications

Standards:ASTM A240, UNS S31008

Composition:24-26% Cr, 19-22% Ni, 0.08% max C

Tensile Strength:515-690 MPa

Common Applications

High-temperature welded assembliesFurnace partsHeat treatment equipmentChemical processing

316L Stainless Steel

316L

Low carbon version of 316 for improved weldability

Key Specifications

Standards:ASTM A240, UNS S31603

Composition:16-18% Cr, 10-14% Ni, 2-3% Mo, 0.03% max C

Tensile Strength:485-655 MPa

Common Applications

Welded assemblies in corrosive environmentsPharmaceutical equipmentChemical processingMarine applications

409L Stainless Steel

409L

Low carbon version of 409 for improved weldability

Key Specifications

Standards:ASTM A240

Composition:11-12% Cr, 0.3% Ni, 0.3% Ti, 0.03% max C

Tensile Strength:380-560 MPa

Common Applications

Automotive exhaust systemsWelded assembliesStructural componentsIndustrial equipment