Stainless Steel 317 Fittings: Superior Corrosion Resistance and High-Temperature Strength

Amardeep Steel Centre LLP is a leading manufacturer and supplier of high-quality stainless steel 317 fittings. Renowned for their exceptional properties, 317 stainless steel fittings are widely used across various industries due to their enhanced corrosion resistance and high-temperature strength. Whether you’re in the chemical, petrochemical, or food processing industry, stainless steel 317 fittings are an ideal choice for applications requiring durable and reliable connections.

What Are Stainless Steel 317 Fittings?

Stainless steel 317 fittings are components used to connect, redirect, or terminate pipes in a piping system. These fittings are designed to withstand high pressures and temperatures, making them suitable for applications where other materials might fail. Available in various forms, including elbows, tees, reducers, couplings, and flanges, 317 stainless steel fittings are essential for ensuring the integrity and efficiency of a piping system.

Stainless Steel 317 Fittings

317 Stainless Steel Fittings Properties

Stainless steel 317 fittings are known for their excellent mechanical and chemical properties, which make them suitable for demanding applications. Below are some key properties of 317 stainless steel fittings:

  1. High-Temperature Performance: 317 stainless steel fittings are capable of maintaining their strength and structural integrity even at elevated temperatures. They can withstand high thermal stresses, making them suitable for applications involving heat exchangers, boilers, and other high-temperature equipment.
  2. Mechanical Strength: The mechanical strength of 317 stainless steel fittings is superior to that of many other stainless steel grades. They offer excellent tensile and yield strength, ensuring the durability and reliability of the piping system.
  3. Weldability: 317 stainless steel has good weldability, allowing for the production of fittings in various shapes and sizes. The alloy can be easily welded using standard welding techniques, making it easier to fabricate complex piping systems.
  4. Formability: The formability of 317 stainless steel allows for the manufacturing of fittings with intricate designs and precise dimensions. This property is particularly important in applications where custom fittings are required to meet specific design criteria.
  5. Resistance to Stress Corrosion Cracking: 317 stainless steel fittings exhibit excellent resistance to stress corrosion cracking (SCC), a common problem in high-stress environments. This property ensures the long-term reliability and safety of the piping system.

Advantages of 317 Stainless Steel Fittings

Choosing 317 stainless steel fittings for your piping systems offers numerous advantages, especially in environments where corrosion, high temperatures, and mechanical stress are concerns. Below are the key advantages:

  1. Long Service Life: The enhanced corrosion resistance and mechanical strength of SS 317 fittings ensure a long service life, reducing the need for frequent replacements and maintenance. This translates to cost savings over the life of the equipment.
  2. Versatility: SS 317 fittings are versatile and can be used in a wide range of applications, from chemical processing and oil refining to food and beverage production. Their ability to withstand harsh conditions makes them a reliable choice for various industries.
  3. Safety and Reliability: The high integrity of SS 317 fittings ensures leak-proof connections, reducing the risk of accidents and contamination. This is particularly important in industries where safety is a top priority, such as pharmaceuticals and food processing.
  4. Cost-Effective: While SS 317 fittings may have a higher initial cost compared to other materials, their durability and long service life make them a cost-effective choice in the long run. The reduced need for maintenance and replacements further adds to the cost savings.
  5. Environmental Resistance: In addition to resisting corrosion, SS 317 fittings are also resistant to various environmental factors, such as UV radiation, moisture, and temperature fluctuations. This makes them suitable for use in outdoor applications and harsh environmental conditions.
SS 317 fittings
317 SS fittings

Schedule and Size Chart

Nominal Pipe Size (NPS) Schedule 10 (inches) Schedule 40 (inches) Schedule 80 (inches) Schedule 160 (inches) Standard Fitting Size Range (inches)
1/2″ 0.065 0.083 0.109 0.188 1/2″ – 24″
3/4″ 0.065 0.113 0.154 0.218
1″ 0.065 0.133 0.179 0.250
1 1/2″ 0.083 0.145 0.200 0.281
2″ 0.083 0.154 0.218 0.344
4″ 0.109 0.237 0.337 0.531
6″ 0.134 0.280 0.432 0.719
8″ 0.148 0.322 0.500 0.906
10″ 0.165 0.365 0.500 1.125

Mechanical Properties Chart

Property Value
Tensile Strength 515 MPa (74,700 psi)
Yield Strength 205 MPa (29,700 psi)
Elongation 35% (in 50mm, 2 inches)
Hardness (Brinell) 217 HBW
Hardness (Rockwell B) 95 HRB
Modulus of Elasticity 193 GPa (28,000 ksi)
Impact Strength 120 J (Charpy V-notch)

Specifications Chart

Standard Specification
ASTM A182/A403/A240 (for Fittings)
ASME SA182/SA403 (for Fittings)
DIN 1.4438
UNS S31700
EN 10088-2
JIS SUS317

Chemical Composition Chart

Element Percentage (%)
Carbon (C) ≤ 0.08
Manganese (Mn) ≤ 2.00
Silicon (Si) ≤ 1.00
Phosphorus (P) ≤ 0.045
Sulfur (S) ≤ 0.030
Chromium (Cr) 18.00 – 20.00
Nickel (Ni) 11.00 – 15.00
Molybdenum (Mo) 3.00 – 4.00
Iron (Fe) Balance

Physical Properties Chart

Property Value
Density 8.0 g/cm³ (0.289 lb/in³)
Melting Point 1370-1400°C (2500-2552°F)
Thermal Conductivity 14.6 W/m·K (10.1 BTU/hr·ft·°F) at 100°C
Electrical Resistivity 0.74 µΩ·m (74.2 µΩ·cm) at 20°C
Specific Heat 500 J/kg·K (0.12 BTU/lb·°F) at 20°C
Coefficient of Thermal Expansion 16.5 µm/m·K (9.2 µin/in·°F) between 20-100°C

Application Chart

Industry Application
Chemical Processing Piping systems for handling corrosive chemicals
Oil and Gas Refining and processing equipment, offshore platforms
Power Generation Boilers, heat exchangers, and high-temperature systems
Pharmaceutical Processing equipment that requires high corrosion resistance
Marine Shipbuilding, offshore drilling rigs, and saltwater systems
Food Processing Equipment for handling acidic foods and beverages
Pulp and Paper Equipment in bleaching and processing systems
Desalination Plants Piping systems handling saltwater and brine

Why Choose ASC LLP for 317 Stainless Steel Fittings?

At Amardeep Steel Centre LLP, we are committed to providing our clients with high-quality 317 SS fittings that meet their specific needs. Our products are manufactured using the finest raw materials and advanced production techniques, ensuring that they meet or exceed industry standards. Here’s why you should choose us for your stainless steel fitting requirements:

  1. Quality Assurance: We have a stringent quality control process in place to ensure that every fitting we produce meets the highest standards of quality and performance. Our commitment to quality has earned us the trust of clients across various industries.
  2. Competitive Pricing: We offer competitive pricing on our range of 317 SS fittings, ensuring that you get the best value for your investment. Our focus on efficiency and cost control allows us to offer high-quality products at affordable prices.
  3. Timely Delivery: We understand the importance of timely delivery in industrial projects. Our logistics team works diligently to ensure that your orders are delivered on time, every time, no matter where you are located.
  4. Custom Solutions: If you have specific requirements for your fittings, we offer custom solutions tailored to your needs. Our experienced engineers can work with you to design and produce fittings that meet your exact specifications.
  5. Expert Support: Our team of experts is always available to provide you with technical support and guidance. Whether you need assistance with product selection or have questions about our fittings, we are here to help.

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 317 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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