Stainless Steel 347 Fittings

At Amardeep Steel Centre LLP, we specialize in providing high-quality stainless steel products, including 347 stainless steel fittings. These fittings are critical components in various industries, offering excellent resistance to corrosion and high temperatures. This article will delve into what stainless steel 347 fittings are, their properties, advantages, and applications, ensuring that you have a comprehensive understanding of this essential material.

What Are 347 Stainless Steel Fittings?

347 stainless steel fittings are components made from 347-grade stainless steel, a type of austenitic stainless steel alloy. This alloy includes a significant percentage of chromium and nickel, along with columbium (niobium), which enhances its stability at high temperatures and improves its resistance to intergranular corrosion. The fittings are commonly used in piping systems, where they connect, redirect, and terminate the flow of liquids and gases.

Stainless Steel 347 Fittings

Properties of 347 Stainless Steel Fittings

Understanding the properties of stainless steel 347 fittings is crucial for evaluating their suitability for specific applications. Here are some key properties:

  1. Corrosion Resistance: The columbium content in 347 stainless steel significantly enhances its resistance to corrosion, especially in high-temperature environments.
  2. High-Temperature Stability: 347 stainless steel maintains its mechanical properties at elevated temperatures, making it ideal for applications involving heat exposure.
  3. Excellent Weldability: This alloy exhibits good weldability, which means it can be easily fabricated and shaped into various fittings without compromising its structural integrity.
  4. Ductility and Toughness: Stainless steel 347 fittings are known for their ductility, allowing them to undergo deformation without breaking. They also possess good toughness, which helps them withstand impact and stress.
  5. Low Maintenance: Due to their corrosion-resistant properties, stainless steel 347 fittings require minimal maintenance, reducing operational costs in the long run.
  6. Durability: These fittings are designed to withstand harsh environments and conditions, making them a reliable choice for industrial applications.

Advantages of 347 Stainless Steel Fittings

The use of 347 stainless steel fittings in piping systems offers numerous advantages, including:

  1. Enhanced Corrosion Resistance: The unique composition of 347 stainless steel makes it highly resistant to corrosion, particularly in acidic and high-temperature environments. This property ensures the longevity of the fittings and reduces the need for frequent replacements.
  2. Versatility: 347 stainless steel fittings can be used in a wide range of applications, including chemical processing, oil and gas, power generation, and food processing. Their adaptability makes them a preferred choice for engineers and designers.
  3. Cost-Effective: While the initial cost of stainless steel fittings may be higher than that of other materials, their durability and low maintenance requirements lead to lower overall costs over time. The long service life of these fittings justifies the investment.
  4. Safety: The high-temperature stability of 347 stainless steel fittings ensures that they can safely handle hot fluids without risk of failure or leaks. This feature is crucial in industries where safety is paramount.
  5. Eco-Friendly: Stainless steel is a recyclable material, making 347 stainless steel fittings an environmentally friendly choice. The ability to recycle these fittings contributes to sustainability in various industries.
  6. Aesthetic Appeal: In addition to their functional benefits, stainless steel fittings also offer a sleek and modern appearance, making them suitable for applications where aesthetics are important.
SS 347 Fittings
347 Stainless Steel Fittings

Schedule and Size Chart

Fitting Type Nominal Pipe Size (NPS) Outside Diameter (OD) Wall Thickness (WT) Length (L)
Elbow 1/2″ to 12″ Varies by size Varies by size Varies
Tees 1/2″ to 12″ Varies by size Varies by size Varies
Reducers 1/2″ to 12″ Varies by size Varies by size Varies
Caps 1/2″ to 12″ Varies by size Varies by size Varies
Flanges 1/2″ to 12″ Varies by size Varies by size Varies

Mechanical Properties Chart

Property Value
Tensile Strength 75-85 ksi (515-585 MPa)
Yield Strength 30-40 ksi (205-275 MPa)
Elongation 40% (min)
Hardness Rockwell B70
Impact Toughness 60 ft-lb (81 J) at -320°F (-196°C)

Specifications Chart

Specification Details
Standard ASTM A182, ASTM A240, ASTM A312
Grade 347
Finish Pickled and Passivated
Pressure Rating As per ANSI B16.5 or B16.47
Temperature Range Up to 1600°F (870°C)

Chemical Composition Chart

Element Composition (wt%)
Chromium (Cr) 17.0-19.0
Nickel (Ni) 9.0-12.0
Iron (Fe) Balance
Columbium (Cb) 10 x C + 4.0-6.0
Manganese (Mn) 2.0 max
Silicon (Si) 1.0 max
Carbon (C) 0.08 max
Phosphorus (P) 0.045 max
Sulfur (S) 0.03 max

Physical Properties Chart

Property Value
Density 8.03 g/cm³ (0.290 lb/in³)
Melting Point 2550°F (1400°C)
Thermal Conductivity 10.4 W/m·K
Electrical Resistivity 0.72 µΩ·cm
Coefficient of Thermal Expansion 16.0 µm/m·°C

Application Chart

Industry Application
Chemical Processing Piping systems for acids and chemicals
Oil and Gas Pipelines and equipment in harsh environments
Power Generation High-pressure steam systems
Food and Beverage Processing and handling equipment
Pharmaceuticals Sterile and sanitary systems
Aerospace Components in high-temperature environments

In summary, SS 347 fittings are an excellent choice for various industrial applications, thanks to their superior properties and advantages. Their resistance to corrosion, high-temperature stability, and ease of maintenance make them a reliable option for piping systems. At Amardeep Steel Centre LLP, we offer a wide range of 347 SS fittings, ensuring that you find the right components for your specific needs.

Whether you require elbows, tees, reducers, caps, or flanges, our commitment to quality and customer satisfaction ensures that you receive products that meet the highest standards. If you have any questions or need assistance selecting the right fittings, please don’t hesitate to contact us. Our expert team is here to help you find the best solutions for your projects.

Global Reach

Amardeep Steel Centre boasts a robust global presence, committed to delivering unparalleled service and quality to clients around the world. Our dedication to prompt delivery and exceptional customer care sets us apart in the industry. Major corporations across the USA, Europe, Asia, and other regions place their trust in our high-quality Stainless Steel 347 Fittings. This widespread trust underscores our reputation for reliability and excellence. By consistently meeting and exceeding the expectations of our international clientele, we continue to solidify our position as a leader in the global steel market.

Metal globe

Countries We Export To

UNITED STATES, EUROPE, UK, UAE, SAUDI ARABIA, OMAN, KUWAIT, JORDAN, QATAR, INDONESIA, MALAYSIA, BRAZIL, SPAIN, ITALY, FRANCE, GERMANY, BAHRAIN, SRI LANKA, AZERBAIJAN, AUSTRALIA, AUSTRIA, PHILIPPINES, TURKEY, RUSSIA, IRAN, IRAQ, CANADA, KOREA, JAPAN, YEMEN, FINLAND, ZIMBABWE, HUNGARY, PORTUGAL, VIETNAM, MOROCCO, THAILAND, SOUTH AFRICA, MEXICO, SINGAPORE, GREECE, KUWAIT, POLAND, NEW ZEALAND, SWEDEN, SWITZERLAND, BELGIUM, BHUTAN, BANGLADESH, TAIWAN, ROMANIA, CAMBODIA, KAZAKHSTAN, AFGHANISTAN.

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