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Prime Steel takes pride in being a distinguished force as both a manufacturer and supplier of top-tier stainless steel 317/317L pipe fittings. Our commitment to excellence sets us apart in the industry, offering high-quality components crafted from the corrosion-resistant alloy, stainless steel 317/317L. Clients can trust Prime Steel not only for the superior quality of our Stainless Steel 317/317L Pipe Fittings but also for our commitment to timely delivery and unparalleled customer satisfaction.
Type: Buttweld Pipe Fittings
Material: Stainless Steel
ASTM: A403/SA403
Grade: 317/317L
UNS: S31700/S31703
WERKSTOFF: 1.4449/1.4438
ASTM A403 WP317 / ASME SA403 WP317L
Seamless Fittings: 1/2" - 24"
Welded Fittings: 4" - 72"
ASME/ ANSI B16.9 | ASME B16.28 | MSS-SP-43 | BS1560 | BS4504 | BS10
Seamless, Welded & Fabricated / Elbow, Tee, Reducer, Stub End, Cross, Cap
5s, 10s, 40s, 80s, 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160, Sch XXS
oil and gas, petrochemicals, power generation, marine and food & beverage process lines, and water treatment
Stainless Steel 317/317L Pipe Fittings are essential components in piping systems designed to convey fluids or gases. These fittings are crafted from the high-quality alloy, stainless steel 317/317L, which is known for its corrosion resistance and excellent mechanical properties.
Stainless Steel 317/317L Pipe Fittings play a crucial role in constructing robust and corrosion-resistant piping systems for various industrial applications, offering a reliable solution for fluid and gas conveyance.
Stainless Steel 317 and 317L are high-performance alloys with excellent corrosion resistance and high-temperature capabilities. The choice between them often depends on specific requirements, with 317L being preferred in situations where reduced sensitization and improved weldability are crucial. Both alloys play a vital role in demanding industrial environments where corrosion resistance is paramount.
Check ANSI B16.28 / ASME B16.9 Buttweld Pipe Fittings Dimensions Download
| STANDARD | UNS | JIS | EN | WERKSTOFF NR. |
|---|---|---|---|---|
| SS 317 | S31700 | SUS 317 | - | 1.4449 |
| SS 317L | S31703 | SUS 317L | X2CrNiMo18-15-4 | 1.4438 |
| Grade | Si | Fe | S | Ni | Mo | C | Cr | Mn | P |
| 317 | 1.0 max | 57.845 min | 0.030 max | 11.00 - 15.00 | 3.00 - 4.00 | 0.08 max | 18.00 - 20.00 | 2.0 max | 0.045 max |
| 317L | 1.0 max | 57.89 min | 0.030 max | 11.00 - 15.00 | 3.00 - 4.00 | 0.035 max | 18.00 - 20.00 | 2.0 max | 0.045 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|
| 7.9 g/cm3 | 1400 °C (2550 °F) | Psi - 75000, MPa - 515 | Psi - 30000, MPa - 205 | 35 % |
A403 WP317L Elbow refers to a specific type of pipe fitting made from the stainless steel alloy A403 WP317L. This designation follows industry standards and specifications, providing information about the material, grade, and type of the elbow. When selecting pipe fittings for specific applications, it's essential to consider the material specifications, such as A403 WP317L, to ensure compatibility with the operating conditions and requirements of the system.
A403 WP317 Tee refers to a specific type of pipe fitting made from the stainless steel alloy A403 WP317. This designation provides information about the material, grade, and type of tee according to ASTM (American Society for Testing and Materials) specifications. A403 WP317 Tees, like other pipe fittings with similar designations, are essential components in piping systems where the corrosion resistance and high-temperature performance of stainless steel 317 are required.
A403 WP317 Cross refers to a specific type of pipe fitting made from the stainless steel alloy A403 WP317. This designation follows ASTM (American Society for Testing and Materials) specifications, providing information about the material, grade, and type of cross fitting. A403 WP317 Cross fittings, like other pipe fittings with similar designations, are essential components in piping systems where the corrosion resistance and high-temperature performance of Stainless Steel 317 are required.
A403 WP317L Reducer fittings, like other pipe fittings with similar designations, are essential components in piping systems where the corrosion resistance, low carbon content, and high-temperature performance of stainless steel 317L are required. The standardized specifications ensure consistency and quality in the manufacturing and application of these fittings in various industrial settings.
A403 WP317L Cap fittings, like other pipe fittings with similar designations, are essential components in piping systems where the corrosion resistance, low carbon content, and high-temperature performance of stainless steel 317L are required. The standardized specifications ensure consistency and quality in the manufacturing and application of these fittings in various industrial settings.
Stainless steel grade 304 is generally considered corrosion-resistant and is less likely to rust compared to regular carbon steel. However, under certain conditions, 304 stainless steel can still corrode and exhibit rusting.
304 stainless steel contains chromium, which forms a passive protective layer on the surface when exposed to oxygen. This chromium oxide layer acts as a barrier, protecting the underlying steel from corrosion. However, this passive layer can be compromised under certain circumstances, leading to rust formation. Some factors that can contribute to rusting in 304 stainless steel include:
Exposure to Chlorides: Chloride-containing environments, such as coastal areas with saltwater exposure, can break down the protective chromium oxide layer more easily. In such conditions, stainless steel 316, which contains molybdenum for enhanced chloride resistance, might be a better choice.
Harsh Chemicals: Exposure to certain harsh chemicals or acids can also damage the protective layer and lead to rusting.
Scratches or Damage: Physical damage to the surface, such as scratches or gouges, can compromise the protective layer and expose the steel to corrosion.
Poor Maintenance: In environments with poor maintenance or where the stainless steel is not cleaned regularly, contaminants or deposits can accumulate on the surface, potentially leading to corrosion.
The cost of stainless steel, including grade 304, can be influenced by several factors, contributing to its relatively higher price compared to other materials. Here are some reasons why 304 stainless steel may be considered expensive:
Alloy Composition: Stainless steel 304 contains a significant amount of chromium and nickel, which are alloying elements that contribute to its corrosion resistance and other desirable properties. The cost of these alloying elements, especially nickel, can impact the overall price of the material.
Corrosion Resistance: Stainless steel 304 is known for its excellent corrosion resistance, making it suitable for various applications, including those in corrosive environments. The alloying elements that enhance corrosion resistance contribute to the overall cost.
Quality and Purity: Higher-quality stainless steel is often more expensive. Grade 304 is a standard "18-8" stainless steel, meaning it contains 18% chromium and 8% nickel. The quality of the raw materials and the precision in manufacturing can affect the final cost.
Production Processes: The production of stainless steel involves specific processes, such as melting, casting, rolling, and heat treatment, which can be energy-intensive and contribute to production costs.
Market Demand and Supply: The law of supply and demand affects the pricing of stainless steel. If demand is high or if there are supply chain disruptions, prices may increase. Additionally, fluctuations in the cost of raw materials, such as nickel, can impact the overall price of stainless steel.
Customization: If stainless steel products require customization, such as specific sizes, shapes, or finishes, the manufacturing process may involve additional steps, increasing the cost.
Certifications and Compliance: Meeting industry standards and certifications for stainless steel, such as ASTM standards, may involve additional testing and quality control measures, contributing to the overall cost.
Ensure that the fittings comply with relevant standards, check material certifications, and follow proper welding procedures. Regular inspection and testing, such as visual inspection, radiographic testing, and hydrostatic testing, help ensure the quality and integrity of the fittings.
Alloy Composition: Stainless steel 304 contains a significant amount of chromium and nickel, which are alloying elements that contribute to its corrosion resistance and other desirable properties. The cost of these alloying elements, especially nickel, can impact the overall price of the material.
Corrosion Resistance: Stainless steel 304 is known for its excellent corrosion resistance, making it suitable for various applications, including those in corrosive environments. The alloying elements that enhance corrosion resistance contribute to the overall cost.
Quality and Purity: Higher-quality stainless steel is often more expensive. Grade 304 is a standard "18-8" stainless steel, meaning it contains 18% chromium and 8% nickel. The quality of the raw materials and the precision in manufacturing can affect the final cost.
Production Processes: The production of stainless steel involves specific processes, such as melting, casting, rolling, and heat treatment, which can be energy-intensive and contribute to production costs.
Market Demand and Supply: The law of supply and demand affects the pricing of stainless steel. If demand is high or if there are supply chain disruptions, prices may increase. Additionally, fluctuations in the cost of raw materials, such as nickel, can impact the overall price of stainless steel.
Customization: If stainless steel products require customization, such as specific sizes, shapes, or finishes, the manufacturing process may involve additional steps, increasing the cost.
Certifications and Compliance: Meeting industry standards and certifications for stainless steel, such as ASTM standards, may involve additional testing and quality control measures, contributing to the overall cost.
Stainless Steel 304 is commonly preferred for pipe fittings in various applications due to several advantageous properties:
Corrosion Resistance: Stainless Steel 304 exhibits excellent corrosion resistance in a wide range of environments. This makes it well-suited for use in piping systems, especially where exposure to corrosive substances or harsh conditions is a concern.
Versatility: Stainless Steel 304 is versatile and can be used in a variety of industries and applications, including food and beverage, chemical processing, pharmaceuticals, and more. Its compatibility with different substances and resistance to corrosion make it a reliable choice for diverse settings.
Ease of Fabrication: Stainless Steel 304 is known for its good formability and ease of fabrication. This makes it convenient for manufacturers to produce a wide range of pipe fittings with different shapes and sizes to meet specific requirements.
Hygienic Properties: In industries such as food and pharmaceuticals, where hygiene is crucial, Stainless Steel 304 is preferred due to its non-reactive and easy-to-clean surface. It does not impart unwanted flavors or contaminants to the substances being transported through the pipes.
High Strength: Stainless Steel 304 offers good strength and toughness, making it suitable for various structural components within a piping system. It can withstand the stresses associated with fluid flow, temperature changes, and external forces.
Cost-Effectiveness: Compared to some other stainless steel grades, 304 is often more cost-effective while still providing excellent corrosion resistance and other desirable properties. This makes it a popular choice for a wide range of applications where a balance between performance and cost is important.
Weldability: Stainless Steel 304 has good weldability, allowing for the fabrication of strong and reliable welded joints. This is essential in the construction of piping systems where welding is a common joining method.
Availability: Stainless Steel 304 is widely available and commonly stocked by suppliers, contributing to its popularity and ease of procurement.
