Ss 409 Giá tấm

Ss 409 Giá tấm

SS 409 plate is a practical ferritic stainless steel material known for its heat resistance, chống oxy hóa, and cost-effective performance. Its titanium-stabilized composition makes it suitable for exhaust systems, industrial heating equipment, and structural fabrication. For applications requiring stronger corrosion resistance, 304 hoặc 316 stainless steel may be preferred, trong khi 409 remains a reliable option for high-temperature industrial use.

Sự miêu tả

SS 409 plate is a ferritic stainless steel plate widely used in applications requiring good oxidation resistance, khả năng chịu nhiệt, and cost-effective corrosion protection. Although the keyword includes “price,” the value of SS 409 plate is mainly influenced by its material composition, độ dày, bề mặt hoàn thiện, và yêu cầu xử lý. So với 304 thép không gỉ, 409 offers lower chromium content but better economy for structural and high-temperature applications.

SS là gì 409 Đĩa?

SS 409 plate is a chromium-based ferritic stainless steel that contains low nickel and added titanium for improved stabilization. It is commonly used in environments where moderate corrosion resistance and high-temperature durability are required. Because of its balanced alloy design, 409 stainless steel is frequently chosen for automotive exhaust systems, industrial heat equipment, and structural applications.

This grade is magnetic and cannot be hardened by heat treatment, but it provides excellent weldability and good resistance to oxidation.

Thành phần hóa học của SS 409 Đĩa

The alloy composition of SS 409 plate gives it good thermal stability and resistance to atmospheric corrosion.

Yếu tố	Nội dung (%)
Cacbon (C)	≤ 0.08
crom (Cr)	10.5 – 11.75
Niken (TRONG)	≤ 0.50
Mangan (Mn)	≤ 1.00
Silicon (Và)	≤ 1.00
Phốt pho (P)	≤ 0.045
lưu huỳnh (S)	≤ 0.03
Titan (Của)	6×C min
Sắt (Fe)	Sự cân bằng

The addition of titanium improves weldability and helps prevent intergranular corrosion during high-temperature service.

Tính chất cơ học của SS 409 Đĩa

SS 409 plate provides moderate strength and good formability for industrial fabrication.

Tài sản	Giá trị điển hình
Độ bền kéo	≥ 380 MPa
Sức mạnh năng suất	≥ 170 MPa
Độ giãn dài	≥ 20%
độ cứng	≤ 88 HRB
Tỉ trọng	7.7 g/cm³
Phạm vi nóng chảy	1450 – 1510°C

Its ferritic structure makes it suitable for forming, uốn cong, and welding in sheet and plate applications.

Đặc điểm hiệu suất chính

Khả năng chịu nhiệt

SS 409 plate offers good oxidation resistance at elevated temperatures and is commonly used in continuous service up to approximately 675°C.

Chống ăn mòn

The material provides adequate resistance to atmospheric corrosion, exhaust gases, and mild industrial environments. It performs better than carbon steel but lower than 304 stainless steel in humid or chloride-rich conditions.

Tính hàn

Because of titanium stabilization, SS 409 plate has good weldability and is often processed by laser cutting, hàn, và hình thành.

Cost Efficiency

Due to its low nickel content, SS 409 is considered a more economical stainless steel grade for applications that do not require premium corrosion resistance.

Các ứng dụng phổ biến của SS 409 Đĩa

SS 409 stainless steel plate is widely used in industries requiring heat resistance and moderate corrosion protection.

Hệ thống xả ô tô
Mufflers and catalytic converter shells
Bộ trao đổi nhiệt
Linh kiện nồi hơi
Agricultural equipment
Railway containers
Hỗ trợ kết cấu
Industrial furnace parts
Transportation equipment
Welded tubing and fabricated sheet parts

The material is especially common in applications exposed to high temperatures and intermittent moisture.

SS 409 Tấm vs 304 thép không gỉ

Tính năng	SS 409 Đĩa	304 thép không gỉ
Kết cấu	Ferit	Austenit
từ tính	Đúng	KHÔNG
Nội dung niken	Thấp	Cao hơn
Chống ăn mòn	Vừa phải	Cao
Khả năng chịu nhiệt	Tốt	Tốt
Sử dụng điển hình	Hệ thống xả	Food and chemical equipment

SS 409 is preferred for heat-related structural applications, trong khi 304 is chosen for environments requiring better corrosion resistance and hygiene.