316 Plat Keluli Tahan Karat
316 plat keluli tahan karat is more expensive primarily due to its higher alloy content, especially molybdenum and nickel, which deliver superior corrosion resistance and durability.
- Penerangan
316 plat keluli tahan karat is an advanced austenitic stainless steel widely used in marin, kimia, and high-corrosion environments. Compared with standard grades like 304, 316 is known for its superior corrosion resistance and durability, which is the main reason it is priced higher.
Understanding its composition and performance explains why 316 stainless steel plates are considered a premium material.
Komposisi Kimia bagi 316 Keluli Tahan Karat
| unsur | kandungan (%) |
|---|---|
| Chromium (Cr) | 16.0 – 18.0 |
| Nikel (Dalam) | 10.0 – 14.0 |
| Molibdenum (Mo) | 2.0 – 3.0 |
| Karbon (C) | ≤ 0.08 |
| Mangan (Mn) | ≤ 2.00 |
| silikon (Dan) | ≤ 1.00 |
| Besi (Fe) | Keseimbangan |
Key Alloy Element – Molybdenum (Mo)
Penambahan daripada Molybdenum is the most important factor that differentiates 316 from other stainless steels. It significantly improves rintangan kakisan, terutamanya dalam persekitaran klorida.
kenapa 316 Stainless Steel Plate Is More Expensive
1. Higher Alloy Content
316 contains more nickel and added molybdenum, both of which are relatively expensive alloying elements. This directly increases the raw material cost.
2. Rintangan Kakisan Unggul
The molybdenum content provides:
- Excellent resistance to pitting and crevice corrosion
- Strong performance in marine and saltwater environments
- Better resistance to chemical corrosion
Ini menjadikan 316 suitable for demanding applications where cheaper materials would fail.
3. Longer Service Life
Because of its enhanced corrosion resistance, 316 keluli tahan karat:
- Requires less maintenance
- Has a longer lifespan
- Reduces replacement and repair costs
This adds value despite the higher initial price.
4. More Demanding Production and Processing
Higher alloy content can increase:
- Kerumitan pembuatan
- Processing difficulty
- Quality control requirements
These factors also contribute to a higher overall cost.
Key Properties of 316 Plat Keluli Tahan Karat
1. Rintangan Kakisan Cemerlang
Especially effective in chloride-rich and marine environments, outperforming 304 keluli tahan karat.
2. Good High-Temperature Performance
Maintains strength and oxidation resistance at elevated temperatures.
3. Strong Mechanical Properties
Provides good strength combined with high ductility and toughness.
4. Good Weldability and Fabrication
Can be processed by mengimpal, memotong, dan membentuk, though slightly more demanding than 304.
Typical Mechanical Properties
| Harta benda | Nilai |
|---|---|
| Kekuatan Tegangan | ≥ 520 MPa |
| Kekuatan Hasil | ≥ 205 MPa |
| Pemanjangan | ≥ 40% |
| Ketumpatan | ~7.98 g/cm³ |
Aplikasi Biasa
1. Marine Industry
- Ship components
- Platform luar pesisir
- Seawater systems
2. Chemical and Petrochemical
- Tangki simpanan
- Saluran paip
- Penukar haba
3. Food and Medical Industry
- Peralatan pemprosesan makanan
- Jentera farmaseutikal
- Persekitaran yang bersih
4. Pembinaan dan Seni Bina
- High-end exterior cladding
- Corrosion-resistant structural components
316 lwn 304 – Key Difference
| Ciri | 316 Keluli Tahan Karat | 304 Keluli Tahan Karat |
|---|---|---|
| Molibdenum | 2–3% | tiada |
| Rintangan Kakisan | Cemerlang | bagus |
| kos | Lebih tinggi | Lebih rendah |
| Permohonan | Harsh environments | Penggunaan am |
Teda Ganghua – Keupayaan Bekalan
Teda Ganghua bekalan 316 stainless steel plates with reliable quality and processing support:
- Wide range of thickness and sizes
- Perkhidmatan pemotongan dan fabrikasi tersuai
- Pemeriksaan kualiti yang ketat
- Export packaging and global delivery
With strong inventory and processing capabilities, Teda Ganghua menyediakan high-performance stainless steel solutions for demanding industries.
