409 is a titanium-stabilized ferritic stainless steel offering good corrosion resistance and excellent formability at a lower cost than austenitic grades. It is widely used in automotive exhaust systems and agricultural equipment.
Key Properties
Ferritic Structure: Magnetic with good resistance to stress corrosion cracking.
Stabilization: Titanium addition improves weldability and high-temperature performance.
Cost Efficiency: Lower nickel content makes it more economical than 304/316.
Formability: Good ductility for bending and fabrication.
Common Applications
Automotive: Exhaust manifolds, catalytic converter shells, and mufflers.
Agriculture: Grain handling equipment and fertilizer spreaders.
Construction: Non-structural decorative trim and indoor applications.
Appliances: Washing machine drums and dishwasher interiors.

405 is a ferritic stainless steel with aluminum addition for improved weldability compared to other ferritic grades. It offers moderate corrosion resistance and is used in specialized heat-resisting applications.
Key Properties
Weldability: Aluminum addition improves weldability over standard ferritic grades.
Corrosion: Moderate resistance to mild atmospheres and fresh water.
Heat Resistance: Good oxidation resistance at elevated temperatures.
Non-Hardenable: Cannot be hardened by heat treatment.
Common Applications
Heat Exchangers: Low-pressure heat transfer equipment supports.
Automotive: Non-critical exhaust components and brackets.
Chemical: Mild acid handling equipment and storage tank internals.
Architecture: Non-structural decorative applications and indoor trim.

403 is a general-purpose martensitic stainless steel that can be heat-treated to achieve high hardness and strength. It offers moderate corrosion resistance and is widely used in turbine and industrial components.
Key Properties
Hardness: Can be hardened by heat treatment to achieve high tensile strength.
Wear Resistance: Excellent resistance to abrasion after hardening.
Corrosion: Moderate resistance to mild atmospheres and fresh water.
Machinability: Good machinability in the annealed condition.
Common Applications
Turbines: Steam turbine blades, diaphragms, and shaft components.
Cutlery: High-quality knives, scissors, and surgical instruments.
Fasteners: High-strength bolts, nuts, and screws.
Pumps: Shafts, bushings, and wear rings for abrasive media.

347 is a niobium-stabilized austenitic stainless steel offering excellent resistance to intergranular corrosion after exposure to high temperatures. It is ideal for welding and moderate high-temperature service up to 900°C.
Key Properties
Stabilization: Niobium prevents chromium carbide precipitation during welding and heating.
High Temp: Good oxidation resistance up to 900°C intermittent service.
Weldability: Excellent for heavy gauge welding without post-weld annealing.
Corrosion: Similar to 304/304L in mild environments.
Common Applications
Aerospace: Jet engine components, exhaust systems, and firewall brackets.
Refining: Catalytic cracking equipment, expansion joints, and furnace hangers.
Boilers: Moderate temperature superheater tube supports and piping.
Chemical: Welded vessels, heat exchangers, and reactor internals.

321H is the high-carbon variant of 321, stabilized with titanium for superior high-temperature strength and creep resistance. It is designed for sustained service above 550°C in power generation and refining.
Key Properties
High Carbon: Higher carbon content provides enhanced creep and rupture strength above 550°C.
Stabilization: Titanium prevents sensitization during high-temperature exposure.
Weldability: Good weldability with standard methods.
Corrosion: Similar to 304 in mild environments.
Common Applications
Power Generation: Boiler superheater tube supports and reheater piping hangers.
Refining: Furnace components and high-temperature process piping brackets.
Aerospace: Afterburner components and exhaust system mounts.
Chemical: High-temperature heat exchangers and reactor supports.

2507 is a super duplex stainless steel with exceptional resistance to chloride stress corrosion cracking, pitting, and crevice corrosion. It offers yield strength approximately double that of austenitic grades.
Key Properties
Corrosion: Superior resistance to chlorides, seawater, and aggressive acids.
Strength: Yield strength ~550 MPa, double that of 304/316.
Durability: Excellent resistance to erosion, abrasion, and fatigue.
Weldability: Good weldability with proper procedures and filler metals.
Common Applications
Oil & Gas: Subsea pipeline supports, riser clamps, and offshore platform components.
Desalination: High-pressure reverse osmosis system frames and brine heater supports.
Chemical: Sulfuric and phosphoric acid storage tank internals and agitator shafts.
Marine: Seawater cooling system brackets and pump shafts.

2205 is the most widely used duplex stainless steel, combining austenitic and ferritic structures for excellent stress corrosion cracking resistance and high mechanical strength at a cost-effective price point.
Key Properties
Duplex Structure: Balanced austenite-ferrite microstructure for toughness and strength.
Corrosion: Excellent resistance to chlorides, organic acids, and stress corrosion cracking.
Strength: Yield strength ~450 MPa, twice that of 304/316.
Cost: More economical than super duplex grades like 2507.
Common Applications
Chemical Processing: Heat exchanger baffles, pressure vessel internals, and process piping supports.
Oil & Gas: Flow line clamps, manifold components, and gathering system brackets.
Pulp & Paper: Digester internals, bleaching equipment shafts, and liquor piping supports.
Marine: Ship hull stiffeners, cargo tank supports, and seawater system brackets.

347H is a high-carbon variant of 347, stabilized with niobium (columbium) for superior high-temperature strength and creep resistance. It is designed for sustained service above 550°C in power generation and refining.
Key Properties
High Carbon: Higher carbon content provides enhanced creep and rupture strength above 550°C.
Stabilization: Niobium prevents sensitization during high-temperature exposure.
Weldability: Good weldability with standard methods.
Corrosion: Similar to 304 in mild environments.
Common Applications
Power Generation: Boiler superheater tubes and reheater piping supports.
Refining: Furnace components and high-temperature process piping hangers.
Aerospace: Afterburner components and exhaust system brackets.
Chemical: High-temperature heat exchangers and reactor internals.

420J2 is a martensitic stainless steel with higher carbon content than 420J1, offering improved hardness and wear resistance after heat treatment. It is widely used for cutlery and industrial blades.
Key Properties
Hardness: Can achieve HRC 50+ after quenching and tempering.
Wear Resistance: Excellent resistance to abrasion and edge retention.
Corrosion: Moderate resistance to mild atmospheres and fresh water.
Machinability: Good in annealed condition; requires care after hardening.
Common Applications
Cutlery: High-quality knives, scissors, and razor blades.
Industrial Blades: Slitter knives, guillotine blades, and shear blades.
Valves: Valve seats and trim requiring wear resistance.
Pumps: Impellers and shafts for abrasive media.

Stainless Steel Fine Bar refers to precision-ground or cold-drawn bars with extremely tight tolerances and superior surface finish. Designed for high-precision CNC machining and critical engineering components.
Key Properties
Precision: Tolerances as tight as h9/h10 for exact fitment.
Surface Finish: Smooth, defect-free surface reduces machining time.
Straightness: High straightness ensures consistent performance in automated systems.
Material Integrity: Free from internal stresses for stable machining.
Common Applications
Precision Engineering: Sensor housings, optical mounts, and robotic arms.
Automotive: Fuel injection components and transmission shafts.
Electronics: Connector pins and semiconductor equipment parts.
Medical: Surgical tools and diagnostic device components.

Stainless Steel Hexagonal Bar features a six-sided cross-section, ideal for machining into fasteners and components requiring anti-rotation grip. Commonly used in automotive and industrial manufacturing.
Key Properties
Anti-Rotation: Hex shape prevents slipping during tightening or assembly.
Machinability: Optimized for turning into bolts, nuts, and shafts.
Strength: High tensile strength suitable for load-bearing fasteners.
Grades: Available in 304, 316, 410, and other common stainless grades.
Common Applications
Fasteners: Bolts, nuts, screws, and studs for industrial use.
Automotive: Engine components, transmission parts, and suspension links.
Machinery: Shafts, spindles, and valve stems.
Oil & Gas: Wellhead equipment and pipeline fittings.

202 is a low-nickel, high-manganese austenitic stainless steel offering cost-effective corrosion resistance for decorative and light structural applications, commonly used as a 304 alternative in indoor environments.
Key Properties
Cost Efficiency: Manganese and nitrogen replace partial nickel, reducing raw material cost by 15-20%.
Corrosion: Moderate resistance to mild atmospheres and fresh water; not suitable for chloride environments.
Formability: Good ductility for bending, drawing, and fabrication operations.
Non-Hardenable: Cannot be hardened by heat treatment; strengthens only through cold working.
Common Applications
Architecture: Indoor handrails, window frames, curtain wall trim, and decorative panels.
Kitchen Equipment: Sinks, utensils, cabinet accessories, and appliance housings.
Light Structure: Display racks, advertising columns, shelving, and furniture frames.
Automotive: Interior decorative trim and non-critical components.