Stainless Steel, Martensitic
410 Stainless Steel (S41000) Bar
Acciaio inossidabile martensitico per scopi generali contenente 11,5% di cromo per una buona resistenza alla corrosione atmosferica.
Grade 410 (1.4006) is a hardenable martensitic stainless steel available in bar form only.
410 stainless steel è un martensitic stainless steel noto per il suo high strength, moderate corrosion resistance, and good wear resistance. It is part of the 400 series of stainless steels and is widely used in applications that require strength, hardness, and moderate corrosion protection.
The corrosion resistance of grade 410 steels can be further enhanced by a series of processes such as hardening, tempering and polishing. Quenching and tempering can harden grade 410 steels. They are generally used for applications involving mild corrosion, heat resistance and high strength.
Martensitic stainless steels are fabricated using techniques that require final heat treatment. These grades are less resistant to corrosion when compared to that of austenitic grades. Their operating temperatures are often affected by their loss of strength at high temperatures, due to over-tempering and loss of ductility at sub-zero temperatures.
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410 Stainless Steel Related Specifications
| Sistema / Standard | Paese / Regione | Grado / Qualifica |
| AISI | Stati Uniti d'America | 410 |
| UNS | Internazionale | S41000 |
| DE / W.Nr. | Europa | 1.4006 |
| Nome | Europa | X12Cr13 |
| ASTM A240 | Stati Uniti d'America | 410 (plate, sheet, strip) |
| ASTM A276 | Stati Uniti d'America | 410 (bars, shapes) |
| ASTM A314 | Stati Uniti d'America | 410 (forged bars for piping) |
| ASTM A743 | Stati Uniti d'America | CA-15 (cast 410-type) |
| ASTM A182 | Stati Uniti d'America | F6a (410-type forging) |
| Regno Unito | Cina | 12Cr13 / 1Cr13 |
| JIS | Giappone | SUS410 |
| BS | REGNO UNITO | 410S21 |
Proprietà
Composizione chimica
1.4006 Steel
UNI EN 10088-3
| Elemento Chimico | % Presente |
| Carbonio (C) | 0.08 - 0.15 |
| Cromo (Cr) | 11.50 - 13.50 |
| Silicio (Si) | 0.00 - 1.00 |
| Manganese (Mn) | 0.00 - 1.50 |
| Fosforo (P) | 0.00 - 0.04 |
| Zolfo (S) | 0.00 - 0.02 |
| Nichel (Ni) | 0.00 - 0.75 |
| Ferro (Fe) | Equilibrio |
Proprietà Meccaniche
Bar Up to 160mm Dia or Thickness
UNI EN 10088-3
| Proprietà meccaniche | Valore |
| Tensione di snervamento | 450 Min MPa |
| Resistenza alla trazione | 650 - 850 MPa |
| Elongation A | 15 Min % |
Proprietà fisiche generali
| Proprietà fisica | Valore |
| Densità | 7,75 g/cm³ |
| Dilatazione termica | 9.9 x 10-6/K |
| Modulo di elasticità | 300 GPa |
| Conduttività termica | 24.9 W/m.K |
| Resistività elettrica | 0.57 x 10-6 Ω .m |
Applications of 410 Stainless Steel
410 stainless steel è un martensitic stainless steel noto per il suo high strength, moderate corrosion resistance, and good wear resistance. Its heat-treatable nature makes it suitable for components that require hardness, durability, and moderate corrosion protection.
1. Industrial Applications
Valves and pumps: Components subjected to mechanical wear and moderate corrosive environments.
Industrial machinery parts: Shafts, fasteners, and gears requiring strength and wear resistance.
Cutlery and blades: Knives, scissors, and other tools where hardness is essential.
2. Applicazioni automobilistiche
Engine components: Shafts, spindles, and fasteners.
Transmission parts: Components requiring wear resistance and strength.
3. General Applications
Architectural hardware: Handles, hinges, and decorative elements.
Household appliances: Components exposed to mild corrosion and mechanical stress.
Riassunto
410 stainless steel is widely used in industrial, automotive, and household applications where a combination of strength, wear resistance, and moderate corrosion resistance is required. Its martensitic structure allows heat treatment to optimize hardness and durability for various applications.
Characteristics of 410 Stainless Steel
410 stainless steel è un martensitic stainless steel noto per il suo high strength, moderate corrosion resistance, and good wear resistance. È ampiamente utilizzato in applicazioni in cui hardness and durability sono importanti.
1. Proprietà meccaniche
High strength and hardness: Can be heat treated to achieve desired mechanical properties.
Good wear resistance: Suitable for components subjected to friction and mechanical stress.
2. Resistenza alla corrosione
Moderate resistance to oxidation and corrosion in mildly corrosive environments.
Less corrosion-resistant than austenitic or ferritic stainless steels.
Fabbricazione
Can be machined and formed, but work hardens rapidly.
Heat treatment improves hardness and strength but is necessary for certain mechanical applications.
4. Proprietà Magnetiche
Exhibits ferromagnetism due to its martensitic structure.
5. Applicazioni
Cutlery and knives
Shafts, fasteners, and gears in industrial machinery
Automotive components such as engine and transmission parts
Valves, pumps, and architectural hardware
Riassunto
410 stainless steel is a martensitic stainless steel offerta strength, hardness, and moderate corrosion resistance. Its heat-treatable and wear-resistant properties rendilo adatto a cutlery, automotive, industrial, and mechanical applications.
Informazioni aggiuntive
Fabbricazione
Fabrication of 410 Stainless Steel
410 stainless steel è un martensitic stainless steel noto per il suo high strength, moderate corrosion resistance, and good wear resistance. Its properties allow it to be fabricated into a variety of components using standard forming, machining, and joining techniques.
Formazione
Lavorazione a freddo
Can be bent, drawn, or rolled, but work hardens quickly.
Intermediate annealing is recommended for extensive deformation to restore ductility.
Lavorazione a caldo:
Recommended temperature range: 980–1120°C (1800–2050°F).
Suitable for forging, hot rolling, or extrusion to shape thick or complex parts.
2. Lavorazione meccanica
Lavorabile con acciaio rapido (HSS) o utensili in carburo.
Cutting fluids are recommended to reduce heat and tool wear.
Sharp tooling and controlled speeds improve surface finish and dimensional accuracy.
Saldatura
Weldable using conventional methods such as TIG, MIG, or SMAW.
Preheating (150–300°C / 300–570°F) and post-weld tempering are recommended for thicker sections.
Filler metals matching 410 or compatible martensitic stainless steels are preferred.
4. Trattamento Termico
Can be annealed, hardened, and tempered to optimize strength, hardness, and ductility.
Stress relief after machining or welding improves dimensional stability.
5. Applicazioni correlate alla fabbricazione
Cutlery, knives, and kitchen tools
Shafts, fasteners, and gears in industrial machinery
Automotive components such as engine and transmission parts
Valves, pumps, and architectural hardware
Riassunto
410 stainless steel is highly fabricable, with good cold and hot working properties, machinability, weldability, and heat-treatable characteristics. Proper fabrication techniques allow the production of durable, high-strength, and wear-resistant components suitable for industrial, automotive, and household applications.
Saldabilità
Weldability of 410 Stainless Steel
410 stainless steel è un martensitic stainless steel noto per il suo high strength, moderate corrosion resistance, and good wear resistance. Welding 410 requires care due to its martensitic structure and carbon content, which can increase the risk of cracking and reduce corrosion resistance in the heat-affected zone.
1. Metodi di Saldatura Idonei
TIG (GTAW): Provides precise, high-quality welds.
MIG (GMAW): Adatto per una produzione più rapida.
SMAW (Stick Welding): Common for general fabrication.
2. Considerazioni sulla saldatura
Preheating (150–300°C / 300–570°F) is recommended for thicker sections to reduce thermal stress.
Post-weld tempering helps restore ductility, toughness, and corrosion resistance.
Filler metals should match the 410 grade or a compatible martensitic stainless steel to maintain properties.
3. Limitazioni
High carbon content increases risk of intergranular cracking and reduced corrosion resistance in the weld zone.
Not recommended for environments with high chloride exposure unless post-weld treatment is applied.
4. Applicazioni relative alla saldabilità
Valves, pumps, and fittings requiring welded assemblies
Shafts, fasteners, and industrial machinery components
Automotive parts exposed to mild corrosion and stress
Riassunto
410 stainless steel is saldabile, but its martensitic structure and carbon content necessitate controlled preheating, proper filler selection, and post-weld tempering. Following these precautions ensures strong, durable, and moderately corrosion-resistant welds suitable for industrial, automotive, and precision applications.
Lavorabilità
Machinability of 410 Stainless Steel
410 stainless steel è un martensitic stainless steel noto per il suo high strength, moderate corrosion resistance, and good wear resistance. Its machinability is moderate compared to austenitic stainless steels but can be improved with proper tooling and techniques.
1. Caratteristiche Chiave di Lavorazione
Lavorabilità moderata Easier to machine than many other martensitic stainless steels.
Can achieve buona finitura superficiale e precisione dimensionale with appropriate tools and conditions.
Work hardens moderately, requiring attention to cutting speed and feed rate.
2. Raccomandazioni sugli strumenti
Acciai rapidi (HSS) o utensili in carburo sono raccomandati per una lavorazione efficiente.
Usa cutting fluids to reduce heat, improve tool life, and maintain surface quality.
Sharp tools and proper speeds help minimize incrudimento.
3. Considerazioni sulla lavorazione
Adatto per tornitura, fresatura, foratura e maschiatura.
Controlled speeds and feeds are essential to avoid excessive tool wear or surface hardening.
Post-machining stress relief or tempering may be applied for high-strength or high-wear applications.
4. Applicazioni relative alla lavorabilità
Shafts, fasteners, and gears in industrial machinery
Automotive components requiring precise tolerances
Valves, pumps, and fittings
Cutlery and knives
Riassunto
410 stainless steel has lavorabilità moderata, allowing effective tornitura, fresatura, foratura e maschiatura with proper tooling and conditions. Combined with its strength, wear resistance, and moderate corrosion resistance, è adatto per industrial, automotive, and household components.
Resistenza alla corrosione
Corrosion Resistance of 410 Stainless Steel
410 stainless steel è un martensitic stainless steel con moderate corrosion resistance. It is suitable for environments where mechanical strength and wear resistance are important, but it is not intended for highly corrosive or chloride-rich conditions.
1. Resistenza generale alla corrosione
Resists ossidazione e corrosione lieve in aria, acqua e atmosfere moderatamente corrosive.
Performance is lower than austenitic stainless steels (e.g., 304, 316).
Corrosion resistance can be enhanced by proper surface finishing, passivation, or coating.
2. Corrosione da tensiocoque e sensibilità ai cloruri
Moderate resistance to stress corrosion cracking.
Susceptible to pitting and crevice corrosion in chloride-containing environments.
3. Effects of Heat Treatment and Welding
Heat treatment, such as tempering, can improve mechanical properties while maintaining moderate corrosion resistance.
Welding may reduce corrosion resistance in the heat-affected zone if post-weld tempering or passivation is not applied.
4. Applicazioni Relative alla Resistenza alla Corrosione
Cutlery and knives exposed to mild moisture
Shafts, fasteners, and gears in industrial machinery
Automotive components in moderately corrosive environments
Valves, pumps, and architectural hardware
Riassunto
410 stainless steel provides moderate corrosion resistance, adatto a mildly corrosive environments. When combined with its strength, wear resistance, and heat-treatable properties, è ideale per industrial, automotive, and household components that do not face aggressive corrosion conditions.
Lavorazione a freddo
Cold Working of 410 Stainless Steel
410 stainless steel è un martensitic stainless steel con high strength, moderate corrosion resistance, and good wear resistance. It can be cold worked to form components, but care must be taken due to its work-hardening tendency.
1. Lavorazioni a freddo
Piegatura e Formatura Can be bent into shapes for industrial, automotive, and household components.
Rotolamento: Suitable for producing sheets, strips, and bars.
Disegno e Stampa: Allows creation of precision parts and complex shapes.
Puntinatura e tranciatura Components requiring precise cutting can be fabricated efficiently.
2. Lavorazione a freddo
410 stainless steel work hardens moderately during cold working.
Excessive deformation may require intermediate annealing per ripristinare la duttilità.
Cold working increases forza e durezza while reducing ductility.
3. Considerazioni sulla fabbricazione
Usa deformazione graduale per evitare screpolature o distorsioni.
Proper tooling and lubrication ensure smooth forming and minimize surface defects.
Cold-worked components may benefit from stress-relief heat treatment before service, especially in high-stress applications.
4. Applicazioni relative alla lavorazione a freddo
Cutlery and knives
Shafts, fasteners, and gears in industrial machinery
Automotive components
Valves, pumps, and fittings requiring dimensional accuracy and mechanical strength
Riassunto
410 stainless steel exhibits good cold working properties, allowing bending, rolling, drawing, stamping, and punching. Cold working improves forza e durezza but may require stress relief or intermediate annealing for extensive deformation. This makes 410 stainless steel suitable for industrial, automotive, and household components.
Trattamento termico
Heat Treatment of 410 Stainless Steel
410 stainless steel è un martensitic stainless steel con high strength, moderate corrosion resistance, and good wear resistance. Heat treatment is used to optimize hardness, strength, ductility, and toughness for industrial, automotive, and household applications.
Ricottura
Scopo: Relieve internal stresses and restore ductility after cold working or machining.
Intervallo di temperatura: 800–850°C (1475–1560°F)
Raffreddamento: Slow furnace cooling for maximum softness and ductility.
2. Hardening (Quenching)
Scopo: Increase hardness and tensile strength for wear-resistant applications.
Intervallo di temperatura: 980–1050°C (1800–1920°F)
Raffreddamento: Rapid quenching in oil or air, depending on thickness and desired properties.
3. Tempering
Scopo: Reduce brittleness after hardening and improve toughness.
Intervallo di temperatura: 150–370°C (300–700°F)
Adjusts the balance of hardness, strength, and ductility for service requirements.
4. Stress Relief
Applied to machined or welded parts to minimize residual stresses.
Typically done at 425–650°C (800–1200°F) for moderate durations.
5. Applications Related to Heat Treatment
Cutlery and knives
Shafts, fasteners, and gears in industrial machinery
Automotive components such as engine and transmission parts
Valves, pumps, and architectural hardware
Riassunto
410 stainless steel can be annealed, hardened, tempered, and stress-relieved to achieve the desired combination of hardness, strength, and ductility. Proper heat treatment ensures durable, wear-resistant, and dimensionally stable components suitable for industrial, automotive, and household applications.
Resistenza al calore
Heat Resistance of 410 Stainless Steel
410 stainless steel è un martensitic stainless steel con high strength, moderate corrosion resistance, and good wear resistance. La sua resistenza al calore è moderato, making it suitable for intermittent or mild high-temperature applications, but it is not designed for prolonged exposure to extreme heat.
1. Temperatura di servizio continua
Adatto per continuous service up to approximately 425°C (800°F).
Retains moderate strength and hardness at elevated temperatures.
2. Intermittent Exposure
Può tollerare short-term exposure up to 760°C (1400°F).
Prolonged exposure above recommended temperatures can result in loss of hardness, strength, and corrosion resistance.
3. Resistenza all'ossidazione
Forms a thin chromium oxide layer that provides limited protection against oxidation.
Not suitable for high-temperature, aggressive oxidizing environments.
4. Applicazioni correlate alla resistenza al calore
Cutlery and knives exposed to heat
Industrial components with moderate thermal exposure
Automotive parts such as engine and transmission components
Valves, pumps, and fittings in mildly elevated temperature conditions
Riassunto
410 stainless steel provides resistenza moderata al calore, adatto a applications with intermittent or mild elevated temperatures. Abbinato con il suo strength, wear resistance, and heat-treatable properties, è ideale per industrial, automotive, and household components that do not require prolonged exposure to high heat.
Lavorazione a caldo
Hot Working of 410 Stainless Steel
410 stainless steel è un martensitic stainless steel noto per il suo high strength, moderate corrosion resistance, and good wear resistance. Hot working allows shaping and forming of components while minimizing the risk of cracking and improving ductility.
1. Temperatura Raccomandata per la Lavorazione a Caldo
Intervallo di temperatura ottimale: 980–1120°C (1800–2050°F)
Lavorare sopra questo intervallo potrebbe causare crescita del grano, riducendo le proprietà meccaniche.
Working below this range can increase the risk of cracking due to the martensitic structure.
2. Processi di Lavorazione a Caldo
Forgiatura: Suitable for shafts, gears, and thick components.
Laminazione a caldo: Used for producing sheets, strips, and bars.
Extrusion: Allows shaping of rods, bars, and complex profiles.
Hot Forming and Pressing: Enables production of large or intricate parts with minimal work hardening.
3. Vantaggi della lavorazione a caldo
Riduce incrudimento rispetto alla lavorazione a freddo.
Migliora Duttilità e tenacità, facilitating easier shaping.
Produce componenti con proprietà meccaniche uniformi.
4. Trattamenti Post-Lavorazione a Caldo
Ricottura may be applied to relieve residual stresses and restore ductility.
Decapaggio o passivazione can enhance surface corrosion resistance if scale forms during hot working.
5. Applicazioni relative alla lavorazione a caldo
Componenti di macchinari industriali
Automotive parts requiring forging or extrusion
Shafts, gears, and precision components that require uniform mechanical properties
Riassunto
410 stainless steel exhibits buone proprietà di lavorazione a caldo, consentendo tranciatura, laminazione, estrusione e formatura a caldo a 980–1120°C. La lavorazione a caldo migliora duttilità, riduce l'incrudimento e garantisce proprietà meccaniche uniformi, making 410 stainless steel suitable for industrial, automotive, and precision components.
