Stainless Steel 316 and 316L Flanges are widely used materials in various industries, known for their corrosion resistance, durability, and versatility. Flanges made from these materials play a crucial role in connecting pipes, valves, and other components in piping systems. Here's a brief overview of Stainless Steel 316/316L flanges:
Material Properties: Stainless Steel 316 is an austenitic stainless steel alloy containing chromium, nickel, and molybdenum. The addition of molybdenum enhances its corrosion resistance, making it suitable for applications in harsh environments, including marine and chemical processing. Stainless Steel 316L is a low-carbon version of 316, which further improves its weldability and corrosion resistance.
Corrosion Resistance: One of the primary advantages of using Stainless Steel 316/316L flanges is their exceptional corrosion resistance. They withstand corrosive media, such as acids, salts, and various chemicals, making them ideal for applications in chemical processing plants, oil refineries, and marine environments.
Flange Types: Stainless Steel 316 flanges come in various types to suit different applications. Common types include SS 316 Slip-On Flanges, SS 316L Weld Neck Flanges, SS 316 Socket Weld Flanges, SS 316L Threaded Flanges, And SS 316 Blind Flanges. Each type serves a specific purpose, offering flexibility and compatibility with diverse piping systems.
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Applications: These Stainless Steel 316L Flanges find application in a wide range of industries, including petrochemical, pharmaceutical, food and beverage, water treatment, and more. Their versatility and durability make them suitable for connecting pipes, valves, and other equipment in critical processes.
Standards and Certifications: Stainless Steel 316/316L flanges are manufactured to meet international standards such as ASTM A182 and ASME B16.5, ensuring quality and reliability. They are also available with certifications like Material Test Reports (MTRs) and compliance with various industry-specific standards.
Weldability: The low carbon content in Stainless Steel 316L Flange enhances its weldability, making it easier to fabricate and join components using various welding techniques. This property is particularly valuable in applications requiring complex piping configurations.
ASTM A182 / ASME SA182, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
1/2" (15 NB) to 48" (1200NB)
150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove
Forged / Threaded / Screwed / Plate
Plate Flange, Loose Plate Flange, Loose Plate With Weld Neck Flange, Blank Flange, Welding Neck Flange, Hubbed Slip on Flange, Hubbed Threaded Flange, Lapped Pipe End Flange.
All Flanges are marked as follows: Grade, Standard, Thickness, Heat No. (Or according to the customer’s request.)
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 316 | 1.4401 / 1.4436 | S31600 | SUS 316 | 316S31 / 316S33 | – | Z7CND17‐11‐02 | X5CrNiMo17-12-2 / X3CrNiMo17-13-3 |
| SS 316L | 1.4404 / 1.4435 | S31603 | SUS 316L | 316S11 / 316S13 | 03Ch17N14M3 / 03Ch17N14M2 | Z3CND17‐11‐02 / Z3CND18‐14‐03 | X2CrNiMo17-12-2 / X2CrNiMo18-14-3 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
| SS 316 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 16.00 – 18.00 | 2.00 – 3.00 | 11.00 – 14.00 | 67.845 min |
| SS 316L | 0.035 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 16.00 – 18.00 | 2.00 – 3.00 | 10.00 – 14.00 | 68.89 min |
| Grade | Density | Melting Point | Tensilee Strength | Yield Strength (0.2%Offset) | Elongation |
| SS 316 | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
| SS 316L | 8.0 g/cm3 | 1399 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
Oil & Gas Industrires
Chemical Industries
Construction Industries
Offshore Pipelines & Pipe Works
Petrochemical Industry
Shipbuilding Industries
Hydraulic Applications
Piping Systems
Refining Industry
Food Processing Industry
Pulp & Paper Industry
Power Plant Industry
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