SUS 304J2 stainless steel is an important grade in the 304er Serie, known for its excellent mechanical properties and corrosion resistance. As one of the most widely used stainless steel, SUS 304J2 plays an important role in industries such as construction and manufacturing. This article will introduce the definition, performance, application areas, and advantages of SUS 304J2 in detail to help buyers have a reference when buying SUS 304J2.
What is SUS 304J2 Stainless Steel?
SUS 304J2 is an austenitic stainless steel that is popular for its durability and corrosion resistance. Compared to standard SUS 304, SUS 304J2 has been specially tuned to improve its hardness and processing properties, allowing it to handle more challenging applications.
Chemical Composition: It is mainly composed of iron, 18-20% chromium, and 8-10.5% nickel, with additional elements such as carbon and manganese for strength.
Standards and Equivalent Grades: Although SUS 304J2 is a grade in the Japanese standard (JIS), there are similar equivalent grades in other standards such as AISI 304, although there are slight differences.
Geschweißtes Rohr aus Edelstahl 304
SUS 304J2 Data Sheet
1. Zusammenfassung
To improve its cold-forming performance and ensure strength, add a certain amount of manganese and copper to the 304 basis.
2. Anwendungsbereich
Die Tiefziehleistung ist besser als bei Stahl 304, der für Duschwarmwasserbereiter, Türgriffe usw. verwendet wird.
- Automotive: For exhaust systems, trim and structural components, heat resistance, and durability.
- Kitchen Equipment: For commercial kitchen equipment, sinks and countertops, sanitation, and corrosion resistance.
- Construction Engineering: For structural support and exterior curtain walls, strength and beauty.
- Industrial Equipment: For manufacturing equipment operating in corrosive or high-temperature environments.
3. Chemical Composition (JIS4305-2005) (wt%)
Chemische Zusammensetzung | C | Si | Mn | P | S | Cr | Ni | N |
Standard | ≤ 0.08 | ≤ 1.00 | 3.00 ~ 5.00 | ≤ 0.045 | ≤ 0.030 | 15.00 ~ 18.00 | 6.00 ~ 9.00 | 1.00 ~ 3.00 |
4. Leistung (JIS G 4305-2005)
Unterscheiden | Mechanische Eigenschaften | Verarbeitungsleistung | ||||||
Ja (MPa) | Ts (MPa) | El (%) | Hv | Ermüdungsgrenze (MPa) | r | LDR | Er （mm） | |
Standard | ≥155 | ≥ 450 | ≥ 40 | ≤ 200 | - | - | - | - |
- Corrosion Resistance: Excellent performance in various corrosive environments, suitable for marine and industrial environments.
- High Strength: Higher tensile strength and yield strength than standard 304 stainless steel.
- Good Processing Performance: Easy to process, suitable for components that require precise processing.
- High-Temperature Resistance: Stable structural performance can be maintained at temperatures up to 870°C.
5. Wärmebehandlung
Lösungsbehandlung: 1010 ~ 10500C.
6. Verwenden Sie Status
Annealing and solid solution state: No. 1, 2D, 2B, N0.4, HL, BA, Mirror, and various other surface treatment states
Benefits of Choosing SUS 304J2
Choosing SUS 304J2 over other stainless steel grades can be advantageous due to:
- Vielseitigkeit: Suitable for both industrial and domestic applications.
- Langlebigkeit: The alloy’s resilience to environmental factors ensures long service life, reducing the need for frequent replacements.
- Kosteneffizienz: While more expensive than basic carbon steel, SUS 304J2 offers a balance of affordability and high performance.
How to Source High-Quality SUS 304J2?
When sourcing SUS 304J2, it’s crucial to ensure that the material meets JIS standards and has been manufactured under strict quality controls. Partnering with reputable suppliers can guarantee material consistency and performance.
Fazit
SUS 304J2 stainless steel is a versatile and high-performing alloy that has gained widespread use due to its strength, corrosion resistance, and machinability. Whether for industrial machinery, automotive components, or kitchen equipment, the properties of SUS 304J2 make it a reliable choice. For those looking to leverage the best of stainless steel technology, understanding and choosing SUS 304J2 can be a strategic decision.