330 ورقة الفولاذ المقاوم للصدأ

330 ورقة الفولاذ المقاوم للصدأ is a high-nickel, heat-resistant alloy designed for extreme temperature environments. مع excellent oxidation resistance, strong thermal fatigue resistance, and reliable high-temperature strength, it is ideal for furnace components, أنظمة المعالجة الحرارية, and industrial heating equipment.

It is particularly suitable where long service life and structural stability at elevated temperatures are critical.

وصف

330 ورقة الفولاذ المقاوم للصدأ 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 أو 316 may lose strength or scale excessively.

330 stainless steel is commonly used in furnace components, معدات المعالجة الحرارية, and thermal processing industries.

1. التركيب الكيميائي ل 330 الفولاذ المقاوم للصدأ

The typical chemical composition is:

عنصر	محتوى (%)
الكروم (كر)	17.0 - 20.0
النيكل (في)	34.0 - 37.0
حديد (الحديد)	توازن
الكربون (ج)	≥ 0.08
المنغنيز (من)	≥ 2.0
السيليكون (و)	≥ 1.5
الفوسفور (ص)	≥ 0.04
الكبريت (س)	≥ 0.03

Key Alloying Characteristics

High Nickel (34–37%)
Provides excellent high-temperature strength and resistance to thermal shock.
الكروم (17-20%)
Enhances oxidation and scaling resistance at elevated temperatures.
Low Carbon Content
Improves weldability and reduces risk of carbide precipitation.

2. Mechanical and Thermal Properties

ملكية	القيمة النموذجية
قوة الشد	≥ 515 الآلام والكروب الذهنية
قوة العائد	≥ 205 الآلام والكروب الذهنية
استطالة	≥ 40%
Maximum Continuous Service Temp	Up to 1149°C (2100°F)
مقاومة الأكسدة	Excellent at high temperature

Performance Highlights

Outstanding resistance to oxidation and carburization
Excellent resistance to thermal fatigue
Good structural stability at elevated temperatures
Good weldability and fabrication performance

3. High-Temperature Performance

330 stainless steel sheet is specifically engineered for heat-intensive applications:

3.1 مقاومة الأكسدة

Maintains surface integrity in air up to approximately 1149درجة مئوية (2100°F).

3.2 Carburization Resistance

Performs well in carburizing and nitriding atmospheres compared with standard stainless steels.

3.3 Thermal Shock Resistance

High nickel content improves resistance to cracking during rapid heating and cooling cycles.

4. التطبيقات الشائعة ل 330 ورقة الفولاذ المقاوم للصدأ

Because of its heat resistance and durability, 330 stainless steel sheet is widely used in:

صناعة المعالجة الحرارية

Furnace liners
يرد
Annealing covers
Heat treating baskets

Industrial Thermal Equipment

Kiln components
Combustion chambers
Burner parts
Radiant tubes

Petrochemical and Energy Sector

High-temperature ducting
مبادلات حرارية
Reactor internals

Aerospace and Industrial Manufacturing

High-temperature structural parts
Thermal processing components

5. مقارنة مع 304 و 310 الفولاذ المقاوم للصدأ

ملكية	304	310	330
محتوى النيكل	8-10%	19-22%	34–37%
Max Service Temp	~870°C	~1100°C	~1149°C
مقاومة الأكسدة	جيد	جيد جدًا	ممتاز
High-Temp Strength	معتدل	عالي	عالية جدًا