

330 Lembaran Baja Tahan Karat
330 lembaran baja tahan karat is a high-nickel, heat-resistant alloy designed for extreme temperature environments. Dengan excellent oxidation resistance, strong thermal fatigue resistance, and reliable high-temperature strength, it is ideal for furnace components, sistem pemrosesan termal, and industrial heating equipment.
It is particularly suitable where long service life and structural stability at elevated temperatures are critical.
Pertanyaan Cepat
- Keterangan
330 lembaran baja tahan karat is a high-nickel, heat-resistant austenitic stainless steel designed for excellent oxidation resistance and strength at elevated temperatures. It performs reliably in continuous high-temperature environments where standard grades such as 304 atau 316 may lose strength or scale excessively.
330 stainless steel is commonly used in furnace components, peralatan perlakuan panas, dan industri pemrosesan termal.
1. Komposisi Kimia dari 330 Baja Tahan Karat
The typical chemical composition is:
| Elemen | Isi (%) |
|---|---|
| Kromium (Kr) | 17.0 – 20.0 |
| Nikel (Di dalam) | 34.0 – 37.0 |
| Besi (Fe) | Keseimbangan |
| Karbon (C) | ≤ 0.08 |
| mangan (M N) | ≤ 2.0 |
| Silikon (Dan) | ≤ 1.5 |
| Fosfor (P) | ≤ 0.04 |
| Sulfur (S) | ≤ 0.03 |
Key Alloying Characteristics
-
Nikel Tinggi (34–37%)
Provides excellent high-temperature strength and resistance to thermal shock. -
Kromium (17–20%)
Enhances oxidation and scaling resistance at elevated temperatures. -
Kandungan Karbon Rendah
Improves weldability and reduces risk of carbide precipitation.
2. Mechanical and Thermal Properties
| Milik | Nilai Khas |
|---|---|
| Kekuatan Tarik | ≥ 515 MPa |
| Kekuatan Hasil | ≥ 205 MPa |
| Pemanjangan | ≥ 40% |
| Maximum Continuous Service Temp | Up to 1149°C (2100°F) |
| Resistensi Oksidasi | Excellent at high temperature |
Performance Highlights
-
Outstanding resistance to oxidation and carburization
-
Excellent resistance to thermal fatigue
-
Good structural stability at elevated temperatures
-
Kemampuan las dan kinerja fabrikasi yang baik
3. High-Temperature Performance
330 stainless steel sheet is specifically engineered for heat-intensive applications:
3.1 Resistensi Oksidasi
Maintains surface integrity in air up to approximately 1149°C (2100°F).
3.2 Ketahanan Karburisasi
Performs well in carburizing and nitriding atmospheres compared with standard stainless steels.
3.3 Ketahanan Guncangan Termal
High nickel content improves resistance to cracking during rapid heating and cooling cycles.
4. Aplikasi Umum dari 330 Lembaran Baja Tahan Karat
Because of its heat resistance and durability, 330 stainless steel sheet is widely used in:
Heat Treatment Industry
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Furnace liners
-
Balasan
-
Annealing covers
-
Heat treating baskets
Industrial Thermal Equipment
-
Kiln components
-
Combustion chambers
-
Burner parts
-
Radiant tubes
Petrochemical and Energy Sector
-
High-temperature ducting
-
Penukar panas
-
Reactor internals
Aerospace and Industrial Manufacturing
-
High-temperature structural parts
-
Thermal processing components
5. Perbandingan dengan 304 Dan 310 Baja Tahan Karat
| Milik | 304 | 310 | 330 |
|---|---|---|---|
| Kandungan Nikel | 8–10% | 19–22% | 34–37% |
| Max Service Temp | ~870°C | ~1100°C | ~1149°C |
| Resistensi Oksidasi | Bagus | Sangat bagus | Bagus sekali |
| High-Temp Strength | Sedang | Tinggi | Sangat Tinggi |
330 offers superior high-temperature stability compared to 304 and even improved structural stability compared to 310 in certain applications.












