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303 스테인레스 라운드 바: Composition and Machinability Performance
303 stainless round bar is a free-machining austenitic stainless steel widely used in precision machining, 패스너 생산, and mass manufacturing components. It is developed from 304 stainless steel with the addition of sulfur to significantly improve cutting performance.
Because of its excellent machinability, 303 stainless steel is especially suitable for automatic lathes, CNC 가공, and high-volume production where efficiency and tool life are critical.
화학 성분 303 스테인레스 스틸
의 주요 특징 303 stainless round bar is the controlled addition of sulfur, which improves chip breaking and reduces tool wear during machining operations.
| 요소 | 일반적인 내용 (%) | 기능 |
|---|---|---|
| 크롬 (Cr) | 17.0 – 19.0 | Corrosion and oxidation resistance |
| 니켈 (~ 안에) | 8.0 – 10.0 | Austenitic structure stability and toughness |
| 황 (에스) | ≥ 0.15 | Improves machinability and chip breaking |
| 탄소 (기음) | ≤ 0.15 | Strength and hardness control |
| 망간 (망) | ≤ 2.0 | Improves hot workability |
| 규소 (그리고) | ≤ 1.0 | 내산화성 강화 |
| 인 (피) | ≤ 0.20 | Supports machinability (통제된 수준) |
| 철 (철) | 균형 | 기본 매트릭스 |
주요 성능 특성 303 스테인레스 라운드 바
303 stainless steel is designed primarily for machining efficiency rather than maximum corrosion resistance. Its free-cutting nature makes it one of the most popular grades for mass production of precision components.
- Excellent machinability among austenitic stainless steels
- 온화한 환경에서 우수한 내식성
- Reduced tool wear and longer cutting tool life
- Excellent chip breaking during CNC and lathe machining
- Suitable for high-speed automated production
Role of Sulfur in 303 스테인레스 스틸
Sulfur is the key alloying element that differentiates 303 stainless steel from 304. It forms manganese sulfide inclusions, which act as stress concentrators that help break chips during machining.
- Improves cutting efficiency
- Reduces machining resistance
- Enhances productivity in mass production
- Extends tool life in CNC operations
하지만, the addition of sulfur slightly reduces corrosion resistance and weldability compared to 304 스테인레스 스틸.
비교 304 스테인레스 스틸
| 등급 | 가공성 | 부식 저항 | 주요 이점 |
|---|---|---|---|
| 304 | 보통의 | 높은 | General-purpose corrosion resistance |
| 303 | 훌륭한 | 보통의 | Best machinability for production efficiency |
산업적 중요성 303 스테인레스 라운드 바
303 stainless round bar is widely used in industries that require large-scale machining and precision manufacturing. It significantly reduces production cost by improving machining speed and tool life.
글로벌 공급망에서, 다음과 같은 공급업체 테다강화 provide stable-chemistry 303 stainless bars with consistent machinability performance, supporting CNC machining and OEM manufacturing industries.
Application-Driven Material Performance
- Precision machined components and fittings
- 볼트 등의 패스너, 견과류, 그리고 나사
- Automotive mechanical parts
- Electrical and industrial equipment components
- Mass production CNC turned parts
자주하는 질문
1. 무엇인가요 303 stainless steel mainly used for?
It is mainly used for precision machining parts, 패스너, and high-volume production components.
2. 왜? 303 stainless steel easier to machine?
Because it contains sulfur, which improves chip breaking and reduces cutting resistance.
3. ~이다 303 stainless steel corrosion resistant?
It has moderate corrosion resistance, slightly lower than 304 황 함량으로 인해.
4. 할 수 있다 303 stainless steel be welded?
It is not recommended for welding due to reduced weld quality caused by sulfur.
5. Teda Ganghua가 공급합니까? 303 stainless round bars?
예, 테다강화용품 303 stainless steel round bars with stable machinability and export-quality packaging.
