Obsah
304L and 430 stainless steels have unique properties and uses. 304L has high corrosion resistance and is good for welding. 430 is ferritic, with good formability and moderate corrosion resistance. Knowing their differences helps you choose the right material for your needs.
What Are the Equivalents of 304L and 430 Stainless Steel?
Equivalents of 304L Stainless Steel
- European Standard: 1.4307, 1.4301
- Japanese Standard: SUS304L
Equivalents of 430 Stainless Steel
- European Standard: 1.4016
- Japanese Standard: JIS G4305
Klíčové rozdíly
| Majetek | 304 l | 430 |
|---|
| Obsah niklu | Vyšší | Very Low |
| Odolnost proti korozi | Vysoká | Mírná |
| Svařitelnost | Vynikající | Omezený |
| Tvarovatelnost | Dobrý | Dobrý |
| Náklady | Vyšší | Dolní |
Corrosion Resistance Comparison: 304L and 430
Nerezová ocel 304L
- Higher chromium (18-20%) and nickel (8-12%) content.
- Excellent in acidic and chlorinated environments.
- Ideal for chemical processing, outdoor equipment, and kitchen appliances.
430 Nerezová ocel
- Lower chromium (16-18%) and almost no nickel.
- Good in mild environments.
- Used in appliances, automotive trim, and indoor architecture.
Srovnávací tabulka
| Majetek | 304 l | 430 |
|---|
| Obsah chromu | 18-20% | 16-18% |
| Obsah niklu | 8-12% | <0.75% |
| Odolnost vůči chloridům | Vysoká | Nízká |
| Vhodnost pro mořské prostředí | Vysoká | Nízká |
Surface Finish and Aesthetic Differences: 304L vs 430
Nerezová ocel 304L
- High polish potential.
- Smooth finish after processing.
- Ideal for visible and sanitary applications.
430 Nerezová ocel
- High reflectivity but highlights imperfections.
- Good for decorative applications.
- Less smooth finish compared to 304L.
Srovnávací tabulka
| Majetek | 304 l | 430 |
|---|
| Finish Quality | Vysoká | Mírná |
| Polish Potential | Vysoká | Vysoká |
| Application Areas | Sanitary, visible areas | Decorative, less demanding areas |
Composition and Properties: 304L vs 430 Stainless Steel
Nerezová ocel 304L
- Austenitic structure.
- 18-20% chromium, 8-12% nickel.
- Excellent corrosion resistance.
- Good at high temperatures.
430 Nerezová ocel
- Ferritic structure.
- 16-18% chromium, almost no nickel.
- Moderate corrosion resistance.
- Magnetic properties.
Properties Comparison
| Majetek | 304 l | 430 |
|---|
| Obsah chromu | 18-20% | 16-18% |
| Obsah niklu | 8-12% | <0.75% |
| Odolnost proti korozi | Vysoká | Mírná |
| Magnetický | Ne | Ano |
| Náklady | Vyšší | Dolní |
Heat Treatment Processes for 304L and 430 Stainless Steels
Nerezová ocel 304L
- Annealing at 1900°F (1040°C).
- Relieves internal stresses.
- Makes the metal more ductile.
430 Nerezová ocel
- Temper rolling or skin passing.
- Improves surface finish and hardness.
- Sub-critical anneal at 1400-1500°F.
Srovnání
| Majetek | 304 l | 430 |
|---|
| Heat Treatment Method | Žíhání | Temper rolling, Sub-critical anneal |
| Teplotní rozsah | 1900°F | 1400-1500°F |
| Effect on Material | Relieves stress, increases ductility | Improves finish and hardness |
Mechanical Strength: 304L vs 430 Stainless Steel
Nerezová ocel 304L
- Tensile strength: 485 MPa
- Yield strength: 170 MPa
- Elongation: 40%
430 Nerezová ocel
- Tensile strength: 450 MPa
- Mez kluzu: 310 MPa
- Elongation: 25%
Srovnání síly
| Majetek | 304 l | 430 |
|---|
| Pevnost v tahu | 485 MPa | 450 MPa |
| Pevnost v tahu | 170 MPa | 310 MPa |
| Prodloužení | 40% | 25% |
| Struktura | austenitické | Ferritic |
Machining Capabilities of 304L and 430 Stainless Steels
Nerezová ocel 304L
- Excellent corrosion resistance.
- Weldability is high.
- Harder to machine due to work hardening.
430 Nerezová ocel
- Good corrosion resistance.
- More affordable.
- Easier to machine with higher cutting speeds.
Machining Comparison
| Majetek | 304 l | 430 |
|---|
| Obrobitelnost | Výzva | Easy |
| Zpevnění práce | Vysoká | Nízká |
| Rychlost řezání | Slower | Faster |
| Opotřebení nářadí | Vyšší | Dolní |
Applications: Choosing Between 304L and 430 Stainless Steel
Nerezová ocel 304L
- Zařízení na zpracování potravin
- Lékařské přístroje
- Architectural paneling
430 Nerezová ocel
- Automobilové obložení
- Kitchen utensils
- Spotřebiče
Vhodnost použití
| Aplikace | 304 l | 430 |
|---|
| Food Industry | Vynikající | Dobrý |
| Automobilový průmysl | Dobrý | Vynikající |
| Cost-sensitive Projects | Mírná | Vynikající |
| Welded Structures | Vynikající | Mírná |
304L Stainless vs 430: Which is Better?
Faktory, které je třeba zvážit
- Corrosion resistance
- Mechanical strength
- Náklady
- Specific application requirements
Nerezová ocel 304L
- High corrosion resistance
- Good for welding
- Vyšší náklady
430 Nerezová ocel
- Mírná odolnost proti korozi
- Magnetické vlastnosti
- Nižší cena
Decision Chart
| Kritéria | 304 l | 430 |
|---|
| Odolnost proti korozi | Vysoká | Mírná |
| Náklady | Vyšší | Dolní |
| Svařitelnost | Vynikající | Omezený |
| Aplikace | Wide range, harsh environments | Cost-effective, mild environments |
Summary Chart of What is the Difference Between 304L and 430 Stainless Steel
| Majetek | 304 l | 430 |
|---|
| Obsah chromu | 18-20% | 16-18% |
| Obsah niklu | 8-12% | <0.75% |
| Odolnost proti korozi | Vysoká | Mírná |
| Svařitelnost | Vynikající | Mírná |
| Magnetický | Ne | Ano |
| Náklady | Vyšší | Dolní |
| Typické aplikace | Food processing, medical devices, architecture | Automotive, kitchen utensils, appliances |
Závěr
304L and 430 stainless steels differ in composition, corrosion resistance, and cost. 304L is highly resistant to corrosion, good for welding, and more expensive. 430 is moderately resistant to corrosion, magnetic, and more affordable. Choose based on your application’s specific needs, balancing performance and cost.
