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304 Stainless Bar vs 316 스테인레스 바: Key Differences and Performance Comparison
304 stainless bar and 316 stainless bar are two of the most widely used austenitic stainless steel materials in industrial applications. They share similar mechanical strength and formability, but differ significantly in corrosion resistance due to their alloy composition.
Understanding the difference between these two grades helps engineers and buyers select the right material for cost, 내구성, and environmental conditions.
1. 화학 성분 비교
| 요소 | 304 스테인레스 바 | 316 스테인레스 바 | Main Difference |
|---|---|---|---|
| 크롬 (Cr) | 18.0 – 20.0% | 16.0 – 18.0% | Slightly higher in 304 |
| 니켈 (~ 안에) | 8.0 – 10.5% | 10.0 – 14.0% | Higher in 316 |
| 몰리브덴 (모) | 없음 | 2.0 – 3.0% | Key advantage of 316 |
| 탄소 (기음) | ≤ 0.08% | ≤ 0.08% | Similar |
2. 내식성 성능
The most important difference between 304 그리고 316 stainless bar is corrosion resistance, 특히 염화물 환경에서.
- 304 스테인레스 바: Good corrosion resistance in general atmospheric and indoor environments
- 316 스테인레스 바: Excellent resistance to seawater, salt spray, 그리고 화학적 노출
The addition of molybdenum in 316 significantly improves resistance to pitting and crevice corrosion.
3. 기계적 성질 비교
| 재산 | 304 스테인레스 바 | 316 스테인레스 바 |
|---|---|---|
| 인장 강도 | 515 – 750 MPa | 515 – 750 MPa |
| 항복 강도 | ~205MPa | ~205MPa |
| 연장 | ~40% | ~40% |
Both materials have similar mechanical strength, making corrosion resistance the main selection factor.
4. Application Environment Difference
- 304 스테인레스 바: Indoor structures, 식품 장비, 일반 기계, 건축학적 용도
- 316 스테인레스 바: 해양공학, 화학 처리, 의료 장비, coastal construction
5. 비용 비교
304 stainless bar is more cost-effective due to the absence of molybdenum and lower nickel content. 316 stainless bar is more expensive but provides superior performance in harsh environments.
- 304: Economical and widely available
- 316: Higher cost, higher corrosion resistance
6. How to Choose Between 304 그리고 316 스테인레스 바
The selection depends mainly on the working environment:
- If the environment is dry or mildly corrosive → choose 304
- If exposed to seawater, salt, or chemicals → choose 316
- If long-term durability is critical → 316 is preferred
7. 산업 공급 능력
글로벌 스테인레스 스틸 공급망, 테다강화 provides both 304 그리고 316 stainless bars with stable chemical composition, precise dimensional control, and export-grade packaging for industrial applications.
This allows customers to select the most suitable grade based on performance requirements and cost optimization.
자주하는 질문
1. Which is better, 304 또는 316 스테인레스 스틸 바?
316 is better in corrosion resistance, ~하는 동안 304 is more cost-effective for general use.
2. 왜? 316 more expensive than 304?
Because it contains molybdenum and higher nickel content, which improves corrosion resistance.
3. 할 수 있다 304 stainless bar be used outdoors?
예, but it is less suitable for coastal or high-chloride environments.
4. ~이다 316 스테인리스 스틸보다 더 강함 304?
Their mechanical strength is similar; the main difference is corrosion resistance.
5. Does Teda Ganghua supply both 304 그리고 316 stainless bars?
예, Teda Ganghua supplies both grades with stable quality and export-ready packaging.
