254 SMO Flanges

Excellent Corrosion Resistance
High Strength and High-Temperature Resistance
Superior Hygiene Performance

High Quality 254 SMO Flanges

254 SMO (Super Austenitic Stainless Steel) produced by SSM is a high-alloy stainless steel with extremely high corrosion resistance and strength. It is mainly used in harsh environmental conditions. 254 SMO flanges are made of this material. They are usually used in applications requiring high corrosion and high-pressure resistance, such as the chemical, offshore engineering, and oil and gas industries.

Our range of 254 SMO flanges encompasses various types:

Types : Weld Neck (WN), Long Weld Neck (LWN), Slip-On (SO), Blind, Lap Joint, Socket Weld (SW), Threaded, and Other Products
Size: 1/2″ – 48″
Pressure: 150# – 1500#
Producing Standard: ASME B16.5, ASME B16.47 Series A & B, EN1092-1:2002, etc.

Flange 254 SMO Chemical Composition

Chromium (Cr)	Nickel (Ni)	Molybdenum (Mo)	Manganese (Mn)	Silicon (Si)	Carbon (C)	Nitrogen (N)	Phosphorus (P)	Sulfur (S)
20.0-22.0%	18.0-20.0%	6.0-6.5%	1.0% max	1.0% max	0.020% max	0.18-0.22%	0.045% max	0.015% max

254 SMO Flanges Mechanical Properties

Tensile Strength	Yield Strength	Elongation	Hardness
600-800 MPa (87-116 ksi)	300-500 MPa (43-73 ksi)	40% min (in 50 mm gauge length)	Typically around 32-38 HRC

Physical Properties

Density	Approximately 8.0 g/cm³
Melting Point	About 1400-1450°C (2552-2642°F)

Advantages of 254 SMO Flanges

Excellent Corrosion Resistance

Provides superior protection against chloride stress corrosion cracking, pitting, and crevice corrosion, making it ideal for harsh environments like marine and chemical processing.

High Strength and Durability

Offers excellent tensile and yield strength, enabling it to withstand high pressures and stresses, along with a long service life due to its durability.

Good Weldability and High-Temperature Performance

Can be welded with standard techniques and maintains strong mechanical properties and corrosion resistance at elevated temperatures.

Versatility

Suitable for a wide range of industries, including marine, chemical, petrochemical, and oil and gas, due to its robust performance characteristics.

254 SMO Flanges Applications

Stainless Steel 254 SMO flanges are widely used in various industries due to their versatility, corrosion resistance, and durability. Here are some key applications:

Chemical Processing
Marine Engineering
Oil and Gas Industry
Petrochemical Industry
Pulp and Paper Industry
Desalination Plants
Power Generation

One-Stop Flange Provider for All Your Needs

SSM has significant product advantages in manufacturing 254 SMO Flanges. Whether it’s quality or price, we will meet your needs.

FAQ

What is 254 SMO?

254 SMO is a high-alloy stainless steel known for its superior corrosion resistance, high strength, and excellent performance in harsh environments. It is often used in applications requiring resistance to chloride stress corrosion cracking and high temperatures.

How does 254 SMO compare to other stainless steels?

254 SMO provides higher corrosion resistance and strength compared to standard stainless steels like 304 and 316. It is particularly effective in resisting chloride-induced corrosion and maintaining strength at high temperatures.

How should 254 SMO flanges be welded?

254 SMO flanges can be welded using standard techniques. However, it is important to follow proper welding procedures to prevent issues such as cracking and to ensure the integrity of the weld.

Are there any special considerations for maintaining 254 SMO flanges?

Regular inspection and maintenance are recommended to ensure the flanges remain free from damage and corrosion, especially in highly corrosive environments. It is also important to follow best practices for installation and handling to avoid mechanical stresses and damage.

Summary

SSM offers 254 SMO flanges, known for their exceptional corrosion resistance, high strength, and durability. These flanges are ideal for demanding applications in harsh environments, such as marine systems, chemical processing, and offshore oil and gas platforms. Made from high-alloy stainless steel, 254 SMO flanges provide superior resistance to chloride-induced stress corrosion cracking, pitting, and crevice corrosion. They maintain excellent mechanical properties and performance even at elevated temperatures. SSM’s 254 SMO flanges are suitable for various industries, including petrochemical and power generation, ensuring reliable and long-lasting performance in challenging conditions.

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