Stainless Steel 317 Flanges: A Comprehensive Guide by ASC LLP
At ASC LLP, we take pride in being a leading supplier of high-quality stainless steel products. One of our flagship offerings is the 317 stainless steel flanges, a superior product known for its exceptional performance in various industrial applications. This article delves into the properties, advantages, and applications of stainless steel 317 flanges to help you understand why they are the ideal choice for your next project.
What is 317 Stainless Steel Flanges?
317 stainless steel flanges are critical components used in piping systems to connect pipes, valves, pumps, and other equipment. They are made from 317-grade stainless steel, an alloy known for its high chromium and nickel content, which provides enhanced resistance to corrosion and oxidation. These flanges are widely used in industries that require robust materials capable of withstanding extreme conditions, such as chemical processing, petrochemical, and power generation.
Properties of 317 Stainless Steel Flanges
317 SS flanges offer a unique combination of mechanical and chemical properties that make them suitable for demanding applications. Below are some of the key properties:
- Corrosion Resistance: One of the most significant properties of SS 317 flanges is their excellent resistance to corrosion. The high chromium content, along with the addition of molybdenum, makes them highly resistant to pitting and crevice corrosion, especially in chloride environments.
- High Temperature Resistance: 317 SS flanges maintain their strength and resistance to oxidation even at elevated temperatures. This makes them ideal for applications where high heat is a factor.
- Durability: The robust nature of 317 stainless steel ensures that these flanges are highly durable, offering long service life even in the most challenging environments.
- Strength: Stainless steel 317 flanges exhibit excellent tensile and yield strength, making them suitable for high-pressure applications.
- Weldability: The material’s good weldability allows for easy fabrication and installation in various industrial systems.
Advantages of 317 Stainless Steel Flanges
Choosing 317 stainless steel flanges comes with several benefits that make them a preferred choice in various industries:
- Enhanced Corrosion Resistance: The superior corrosion resistance of 317 SS flanges reduces the risk of material degradation over time, leading to lower maintenance costs and improved system reliability.
- Longevity: Due to their durability and resistance to harsh conditions, 317 SS flanges offer a longer lifespan compared to other materials, resulting in fewer replacements and lower operational costs.
- Versatility: These flanges are versatile and can be used in a wide range of applications, from chemical processing plants to marine environments, due to their ability to withstand both high temperatures and corrosive elements.
- Ease of Maintenance: 317 stainless steel flanges require minimal maintenance, making them a cost-effective solution over the long term.
- High Performance in Extreme Conditions: Whether it’s exposure to chemicals, high temperatures, or extreme pressures, 317 stainless steel flanges consistently deliver high performance, making them suitable for critical applications.
Schedule and Size Chart
| Schedule | Size (in inches) | Outer Diameter (OD) | Thickness (T) | Bore Diameter (BD) |
| SCH 10 | ½” – 24″ | 0.840″ – 24.000″ | 0.109″ – 0.500″ | 0.602″ – 22.626″ |
| SCH 20 | ½” – 24″ | 0.840″ – 24.000″ | 0.147″ – 0.750″ | 0.546″ – 22.188″ |
| SCH 40 | ½” – 24″ | 0.840″ – 24.000″ | 0.154″ – 1.000″ | 0.546″ – 21.626″ |
| SCH 80 | ½” – 24″ | 0.840″ – 24.000″ | 0.218″ – 1.250″ | 0.464″ – 21.126″ |
| SCH 160 | ½” – 24″ | 0.840″ – 24.000″ | 0.308″ – 1.750″ | 0.334″ – 20.126″ |
Mechanical Properties Chart
| Property | Value |
| Tensile Strength, Ultimate (MPa) | 515 – 750 MPa |
| Tensile Strength, Yield (MPa) | 205 – 310 MPa |
| Elongation at Break (%) | 35 – 40% |
| Hardness (Brinell) | 160 – 217 HB |
| Hardness (Rockwell B) | 85 – 95 HRB |
| Modulus of Elasticity (GPa) | 193 GPa |
| Poisson’s Ratio | 0.27 – 0.30 |
| Impact Strength | 200 J |
Specifications Chart
| Standard | Specification |
| ASTM | A182, A240, A403 |
| ASME | SA182, SA240, SA403 |
| DIN | 1.4449 |
| UNS | S31700 |
| EN | 10088-2 |
| ANSI | B16.5, B16.47, B16.9 |
| MSS-SP | 43, 44, 83, 95 |
| JIS | SUS 317 |
Chemical Composition Chart
| Element | Percentage Composition (%) |
| Carbon (C) | Max 0.08 |
| Manganese (Mn) | Max 2.00 |
| Silicon (Si) | Max 1.00 |
| Phosphorus (P) | Max 0.045 |
| Sulfur (S) | Max 0.030 |
| Chromium (Cr) | 18.0 – 20.0 |
| Nickel (Ni) | 11.0 – 15.0 |
| Molybdenum (Mo) | 3.0 – 4.0 |
| Iron (Fe) | Balance |
Physical Properties Chart
| Property | Value |
| Density | 8.0 g/cm³ |
| Melting Point | 1375 – 1400 °C |
| Thermal Conductivity | 14.6 W/m.K (at 100 °C) |
| Specific Heat | 450 J/kg.K (at 25 °C) |
| Electrical Resistivity | 0.85 μΩ.m (at 20 °C) |
| Coefficient of Thermal Expansion | 16.5 μm/m°C (0-100°C) |
Applications Chart
| Application | Industry |
| Chemical Process Equipment | Chemical Processing |
| Heat Exchangers | Petrochemical |
| Condensers and Evaporators | Power Generation |
| Flue Gas Desulfurization Systems | Environmental Technology |
| Marine Components | Marine |
| Pulp and Paper Processing Equipment | Pulp and Paper Industry |
| Pharmaceutical Processing Equipment | Pharmaceuticals |
| Food Processing and Handling Equipment | Food and Beverage Industry |
| Oil and Gas Piping Systems | Oil and Gas |
Why Choose ASC LLP for Your 317 Stainless Steel Flanges?
At ASC LLP, we are committed to providing high-quality stainless steel products that meet the stringent demands of our clients. Our 317 stainless steel flanges are manufactured using the latest technology and strict quality control processes to ensure superior performance and reliability.
Here’s why you should choose us:
- Extensive Inventory: We maintain a large inventory of 317 SS flanges in various sizes and types, ready to meet your immediate requirements.
- Customization: We offer customization options to match your specific needs, ensuring that you get the exact product for your application.
- Expertise: With years of experience in the industry, our team of experts can provide valuable guidance and support to help you select the right flanges for your project.
- Global Reach: We serve clients worldwide, ensuring timely delivery of our products, no matter where your operations are located.
- Quality Assurance: Our products are rigorously tested to meet international standards, ensuring that you receive only the best.
When it comes to choosing flanges for demanding industrial environments, SS 317 flanges from ASC LLP stand out for their exceptional corrosion resistance, high-temperature performance, and durability. Whether you need flanges for chemical processing, power generation, or marine applications, our 317 SS flanges offer the reliability and performance you need.
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 Flanges. 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.
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.
