Super Alloy 654SMO Stainless Steel Bar Bright Polishing Diameter 5 - 200mm ASTM EN DIN Standard

Super Alloy 654SMO Stainless Steel Bar Bright Polishing Diameter 5 - 200mm ASTM EN DIN Standard

Products Specification

Super Alloy 654SMO Stainless Steel Bar Bright Polishing Diameter 5 - 200mm ASTM EN DIN Standard

Introduction

The 654SMO Stainless Steel Bar, also known as Super Alloy 654SMO, is a high-performance, corrosion-resistant steel alloy designed for challenging industrial applications that require exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. Available in a range of sizes from 5 mm to 200 mm in diameter, these bars are widely used in various industries, including chemical processing, marine environments, oil and gas, and power generation. Manufactured according to strict international standards such as ASTM, EN, and DIN, the 654SMO bars are known for their superior mechanical properties, excellent formability, and outstanding surface finish.

In this article, we will explore the features, specifications, applications, and advantages of Super Alloy 654SMO Stainless Steel Bars. We will also provide detailed technical information in a table format, helping you understand the material's properties and suitability for different industrial needs.

Key Features of 654SMO Stainless Steel Bar

1. High Corrosion Resistance: 654SMO is known for its superior resistance to aggressive media, including chlorides, acids, and seawater, making it ideal for marine and chemical processing industries.

2. Excellent Mechanical Properties: This alloy combines high strength, durability, and impact toughness, even at elevated temperatures.

3. Pitting and Crevice Corrosion Resistance: Thanks to its high content of molybdenum and nitrogen, 654SMO exhibits excellent resistance to pitting and crevice corrosion, particularly in environments with high chloride concentrations.

4. Bright Polishing: The surface finish of 654SMO stainless steel bars is polished to a bright, smooth finish, which is not only aesthetically pleasing but also provides resistance to corrosion and fouling.

5. Available in Multiple Sizes: These bars are available in diameters ranging from 5 mm to 200 mm, providing versatility for various applications.

6. Standards Compliance: 654SMO stainless steel bars are manufactured in compliance with internationally recognized standards such as ASTM A276, EN 1.6545, and DIN 1.6545.

Chemical Composition of 654SMO Stainless Steel

The chemical composition of 654SMO stainless steel plays a crucial role in its remarkable corrosion resistance and mechanical properties. The alloy contains a high percentage of chromium, molybdenum, and nickel, along with small amounts of nitrogen and copper. The precise chemical composition of 654SMO stainless steel is as follows:

This composition gives the 654SMO stainless steel its excellent corrosion resistance, particularly in chloride-containing environments. The high molybdenum content is especially important for resistance to pitting and crevice corrosion, while the nitrogen improves the strength and resistance to stress corrosion cracking.

Mechanical Properties of 654SMO Stainless Steel Bar

The mechanical properties of 654SMO stainless steel bars are impressive, making them a perfect choice for demanding industrial applications. The following table outlines the key mechanical properties:

As shown, the tensile strength of 654SMO stainless steel bars is between 700-800 MPa, providing high strength in various applications. The yield strength ranges from 450 to 550 MPa, which ensures the material maintains its form under stress. The elongation of 35% indicates good ductility, making it easier to shape and form into various configurations.

Applications of 654SMO Stainless Steel Bar

654SMO stainless steel bars are employed in several high-stress and corrosive environments due to their excellent properties. Here are some common applications:

1. Chemical Processing: Due to its resistance to aggressive chemicals and acids, 654SMO is used in heat exchangers, reactors, and piping systems in the chemical processing industry.

2. Marine and Offshore: The alloy's resistance to seawater and chloride-induced corrosion makes it a preferred material for marine environments, including in marine construction, subsea components, and offshore drilling platforms.

3. Oil & Gas: 654SMO stainless steel bars are widely used in the oil and gas industry for equipment exposed to corrosive fluids, such as offshore pipelines, valves, and heat exchangers.

4. Power Generation: 654SMO is used in nuclear and fossil fuel power plants for components exposed to high temperatures and aggressive environments.

5. Food Processing and Pharmaceutical: The alloy is ideal for applications requiring a high level of cleanliness and corrosion resistance, such as food processing machinery, pharmaceutical equipment, and water treatment systems.

Advantages of Using 654SMO Stainless Steel Bar

1. Enhanced Durability: The alloy's high resistance to corrosion, especially pitting and crevice corrosion, significantly increases the longevity of components and reduces maintenance costs.

2. Superior Surface Finish: The bright polished surface enhances both the aesthetic appearance and performance by reducing surface fouling and making cleaning easier.

3. High-Temperature Strength: 654SMO maintains excellent mechanical properties even at elevated temperatures, making it ideal for use in demanding industrial applications that involve heat exposure.

4. Corrosion Resistance in Harsh Environments: The alloy's resistance to a wide range of aggressive media makes it suitable for use in environments with high chloride or acidic content.

5. Versatility: Available in a wide range of diameters (from 5mm to 200mm), 654SMO stainless steel bars can be easily tailored to fit various industrial applications.

Size and Availability

654SMO Stainless Steel Bars are available in various sizes, ranging from 5 mm to 200 mm in diameter. The bars are available in cut lengths or as coils depending on the customer's requirements. Custom lengths and sizes can also be manufactured to meet specific project needs.

Packaging and Shipping

654SMO stainless steel bars are carefully packaged to prevent damage during transit. Common packaging options include:

• Wooden crates for bulk orders.

• Plastic wrapping or shrink-wrapping for smaller orders.

• Custom packaging upon request.

Shipping options are available globally, with a variety of delivery methods based on the destination, including air freight, sea freight, or road transportation.

Conclusion

The Super Alloy 654SMO Stainless Steel Bar is an ideal solution for applications that demand high strength, corrosion resistance, and durability. With a wide range of sizes (5 mm to 200 mm in diameter) and a superior surface finish, these bars are suitable for industries such as chemical processing, marine, oil & gas, power generation, and more. Their compliance with international standards like ASTM, EN, and DIN ensures their quality and reliability.

By choosing 654SMO stainless steel bars, industries benefit from enhanced performance in aggressive environments, reduced maintenance costs, and longer service life, making it a highly cost-effective and reliable material choice.