inconel 625 Butt hàn phù hợp: KHUỶU TAY, Reducer, MẶT BÍCH, Cap

inconel 625 Mông hàn phụ kiện: KHUỶU TAY, Reducer, MẶT BÍCH, Cap

1. Giới thiệu

inconel 625 is a high-performance nickel-based alloy designed to perform in extreme environments. It is known for its excellent strength, chống ăn mòn, and oxidation resistance in high-temperature conditions. Như là một kết quả, inconel 625 Mông hàn phụ kiện (Khuỷu tay, gia giảm, mặt bích, mũ) are used in a variety of applications, including piping systems in power generation, Hàng không vũ trụ, và công nghiệp hóa chất.

Kỹ thuật:

• Tiêu chuẩn: ASTM B366 / ASME SB366
• Tài liệu: inconel 625
• Số UNS: N06625
• Werkstoff Number: 2.4856
• quá trình hàn: Butt Weld
• Các loại phụ kiện: KHUỶU TAY, Reducer, MẶT BÍCH, Cap

inconel 625 fittings are commonly designed for extreme environments where high temperature, áp suất cao, and high corrosion resistance are required. These include applications such as exhaust systems, marine equipment, tua bin khí, and pollution control systems.

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2. Chemical Composition of Inconel 625 Mông hàn phụ kiện

The alloy composition of Inconel 625 is specifically designed to provide excellent resistance to oxidation, sự ăn mòn, và nhiệt độ cao. Below is the typical chemical composition of Inconel 625.

TỐ	Tỷ lệ phần trăm (%)
kền (Ni)	58.0 – 69.0
crom (CR)	20.0 – 23.0
molypden (Mo)	8.0 – 10.0
Bàn là (Fe)	5.0 tối đa
Niobium (NB)	3.15 – 4.15
Titanium (Ti)	0.4 – 1.0
nhôm (Al)	0.4 tối đa
silicon (Si)	0.5 tối đa
Carbon (C)	0.10 tối đa
lưu huỳnh (S)	0.015 tối đa
phốt pho (P)	0.015 tối đa

Key Notes on Composition:

• kền: Nickel provides the primary base strength and resistance to oxidation and corrosion.
• crom: Enhances the resistance to oxidation and corrosion, especially in high-temperature environments.
• molypden: Increases resistance to pitting and crevice corrosion, particularly in chloride environments.
• Niobium: Contributes to the alloy’s high-temperature strength and weldability.
• Titanium: Stabilizes the microstructure of Inconel 625, enhancing its high-temperature stability.

The high nickel content makes Inconel 625 ideal for applications requiring high resistance to aggressive corrosive environments, high temperature, and mechanical stress.

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3. Mechanical Properties of Inconel 625 Mông hàn phụ kiện

inconel 625 maintains its strength and resistance to corrosion even in the harshest environments. Below are the typical mechanical properties for Inconel 625 Mông hàn phụ kiện.

Độ bền kéo

• Độ bền kéo (UTS): 103,000 psi (710 MPa)
• Mang lại sức mạnh: 45,000 psi (310 MPa)

Kéo dài

• kéo dài trong 2 inch: 35% tối thiểu

Cứng

• Rockwell B (HIỆU): 90 – 100
• brinell độ cứng: 160 – 250 HB

Mô đun đàn hồi

• Young’s Modulus: 200 GPa (29,000 Hiển thị)

Tỷ lệ Poisson

• 0.31

Fatigue Strength

• inconel 625 exhibits excellent fatigue strength and is capable of withstanding repeated cyclic loading.

Creep Strength

• Due to the unique alloying elements, inconel 625 has exceptional creep strength, particularly at elevated temperatures.

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4. Physical Properties of Inconel 625 Mông hàn phụ kiện

In addition to mechanical properties, the physical properties of Inconel 625 Mông hàn phụ kiện are essential in ensuring its performance under high-temperature and corrosive conditions.

Tài sản	Giá trị
Tỉ trọng	8.44 g/cm³ (8440 kg/m³)
Độ nóng chảy	1290° C – 1350° C (2354° F – 2462° F)
Nhiệt độ dẫn	10.3 W/m·K at 100°C
Electrical Resistivity	1.25 µΩ·m
Hệ số giãn nở nhiệt	13.2 × 10⁻⁶ /°C at 20 – 100° C

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5. inconel 625 Mông hàn phụ kiện (KHUỶU TAY, Reducer, MẶT BÍCH, Cap) Ứng dụng

inconel 625 Butt Weld Fittings are commonly used in industries that require high strength and resistance to severe operating conditions. Below are common applications of these fittings:

phụ kiện khuỷu tay:

• Mục đích: To change the direction of flow in a piping system.
• Ứng dụng: Used in aerospace, Xử lý hóa học, and power plants, particularly in environments where corrosion resistance and high-temperature stability are crucial.

Reducer Fittings:

• Mục đích: To transition between different pipe sizes, ensuring smooth fluid flow.
• Ứng dụng: Widely used in petrochemical industries and nuclear reactors, where temperature and pressure resistance are necessary.

Flange Fittings:

• Mục đích: To connect pipes, Van, and equipment to create a tight seal in a piping system.
• Ứng dụng: inconel 625 flanges are used in high-stress environments like offshore platforms, chemical refineries, and gas turbines.

Cap Fittings:

• Mục đích: To seal the ends of pipes, preventing material leakage.
• Ứng dụng: These are often used in manufacturing, Hàng hải, and gas turbines, where sealing is critical.

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6. Welding and Fabrication of Inconel 625 Mông hàn phụ kiện

inconel 625 is weldable using most conventional welding techniques such as TIG welding, Hàn MIG, and stick welding. The alloy has excellent weldability, which is crucial when manufacturing complex parts like elbows, gia giảm, mặt bích, và mũ. It is recommended to use low-heat input and controlled cooling to avoid weld cracking.

Xử lý nhiệt sau hàn (PWHT) is often required for thicker sections to relieve residual stresses and enhance the alloy’s mechanical properties.

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7. Advantages of Inconel 625 Mông hàn phụ kiện

• Khả năng chống ăn mòn vượt trội: Resists pitting, quá trình oxy hóa, and corrosion, even in aggressive environments like seawater and chemical processing plants.
• ổn định nhiệt độ cao: inconel 625 maintains its strength and resistance to oxidation at temperatures as high as 1000°C.
• Độ bền và độ bền cao: With a tensile strength of over 100,000 psi, inconel 625 offers high structural integrity.
• Versatile Applications: Suitable for industries such as aerospace, Xử lý hóa học, Lò phản ứng hạt nhân, và các ứng dụng hàng hải.

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Sự kết luận

inconel 625 Mông hàn phụ kiện, bao gồm cả khuỷu tay, gia giảm, mặt bích, và mũ, are designed to meet the stringent demands of industries requiring excellent corrosion resistance, ổn định nhiệt độ cao, and high strength. Its superior mechanical and physical properties, coupled with its robust chemical composition, make Inconel 625 the material of choice for critical applications in aerospace, Nhà Máy Điện, chemical refineries, and marine systems.

With applications ranging from exhaust systems to nuclear power plants, inconel 625 ensures reliability and durability in the harshest environments, making it an indispensable material for modern engineering.