316/316L Stainless Steel Wire
Product Introduction

| Stainless Steel Wire: Specifications & Parameters | |||
| Alloy Series & Primary Grades | |||
| Grade / UNS | Series / Type | Key Characteristics | Typical Applications |
| 302 / S30200 | Austenitic (Cr-Ni) | General-purpose, good corrosion resistance, high strength | General engineering wire, springs, fasteners |
| 302HQ / S30430 | Austenitic (Cr-Ni-Cu) | Optimized for cold heading, low work hardening | Fasteners, screws, bolts |
| 303 / S30300 | Austenitic (free-machining) | Contains sulfur for improved machinability | Machined components, shafts, fittings |
| 304 / S30400 | Austenitic (Cr-Ni) | Most widely used, excellent mechanical properties and corrosion resistance | General engineering, springs, mesh, fasteners, welding wire |
| 304L / S30403 | Austenitic (low carbon) | Lower carbon content (≤0.03%) for improved intergranular corrosion resistance | Welding applications, heavy-gauge sections, corrosive environments |
| 310S / S31008 | Austenitic (high Cr-Ni) | Excellent heat resistance and corrosion resistance | High-temperature applications, furnace components |
| 316 / S31600 | Austenitic (Cr-Ni-Mo) | Molybdenum addition for superior corrosion resistance, good creep strength at high temperatures | Marine, chemical, medical, high-corrosion environments |
| 316L / S31603 | Austenitic (low carbon) | Low carbon version of 316, excellent intergranular corrosion resistance | Welding, pharmaceutical, marine |
| 321 / S32100 | Austenitic (stabilized) | Titanium addition for stabilization against intergranular corrosion | High-temperature service, exhaust systems |
| 347 / S34700 | Austenitic (stabilized) | Niobium/columbium stabilization | High-temperature, corrosive service |
| 410 / S41000 | Martensitic (Cr) | Magnetic, hardenable by heat treatment, moderate corrosion resistance | Fasteners, valve parts, springs, cutlery |
| 416 / S41600 | Martensitic (free-machining) | Contains sulfur, high machinability | Machined parts, shafts |
| 430 / S43000 | Ferritic (Cr) | Magnetic, good corrosion resistance, lower cost than austenitic grades | Appliances, architectural trim, automotive |
| 431 / S43100 | Martensitic (high Cr-Ni) | Very high tensile strength, good corrosion resistance | High-strength shafts, marine components |
| 2205 / S32205 | Duplex (austenitic-ferritic) | High strength, excellent corrosion resistance, magnetic | Concrete reinforcement, chemical processing |
| Cross-Sectional Shapes & Forms | |||
| Shape | Description | Applications | |
| Round | Standard circular cross-section | General engineering, springs, fasteners, mesh | |
| Square | Square cross-section | Special fasteners, springs, shaping | |
| Hexagon | Six-sided profile | Fasteners, turned parts, machining | |
| Octagon | Eight-sided profile | Special fasteners, decorative | |
| Plain (non-deformed) | Smooth surface | General reinforcement, mesh | |
| Deformed | Patterned surface with ribs/lugs | Concrete reinforcement (improved bonding) | |





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