Stainless Steel 317 and 317L are high-performance austenitic stainless steel alloys that offer excellent corrosion resistance and strength. Buttweld fittings made from these materials are essential components in various industrial applications, especially in industries where resistance to corrosive environments is crucial. Here's a brief overview of Stainless Steel 317/317L Buttweld Fittings.
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Corrosion Resistance: Stainless Steel 317 and 317L are specifically designed to combat corrosion, making them ideal for applications where exposure to harsh chemicals, acids, and high temperatures is common. These alloys have a high molybdenum content, enhancing their resistance to pitting, crevice corrosion, and general corrosion.
Versatility: Stainless Steel 317 and 317L buttweld fittings find use in a wide range of industries, including chemical processing, petrochemical, pharmaceutical, food processing, and more. Their versatility and durability make them suitable for both aggressive and non-corrosive environments.
Buttweld Fittings: Buttweld fittings are components used to connect and change the direction of piping systems. These fittings are created by welding the fitting to the pipe, ensuring a leak-free and strong connection. Stainless Steel 317/317L buttweld fittings come in various types, including elbows, tees, reducers, caps, and more.
High Temperature Performance: These alloys are known for their excellent performance at elevated temperatures. This attribute makes them suitable for applications involving high-temperature fluids or gases.
Low Carbon Content (317L): Stainless Steel 317L is a low-carbon version of 317, which offers even greater corrosion resistance. This makes it ideal for welding applications, as it reduces the risk of carbide precipitation and intergranular corrosion.
Easy Maintenance: Stainless Steel 317/317L buttweld fittings require minimal maintenance, contributing to cost savings in the long run. Their resistance to staining and easy cleanability make them an attractive choice for hygiene-critical industries like pharmaceuticals and food processing.
Compliance with Standards: These buttweld fittings are typically manufactured in compliance with various international standards, such as ASTM A403, ASME B16.9, and ASTM A774. This ensures their quality and compatibility with different piping systems.
Customization: Stainless Steel 317/317L buttweld fittings can be customized to meet specific project requirements. Manufacturers can adapt the fittings in terms of size, wall thickness, and dimensions.
Longevity: These fittings have a long service life, reducing the need for frequent replacements and maintenance, which can be cost-effective for businesses in the long term.
ASTM A403 / ASME SA403
ANSI B16.9, B16.25, B16.28, MSS-SP-43, MSS-SP-48, MSS-SP-59
Seamless Butt Weld Fittings : 1/2″ – 10″ Welded Butt Weld Fittings : 1/2″ – 48″
Seamless / Welded / Fabricated
SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75
from 2 to 40 mm
R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
90 Deg. Elbow, 45 Degree Elbow, LR/SR Elbow, Reducers, Tee, Cross, Bends 1.5d, 3d, 5d, 10d, U bend, 180 Deg Bend, Short / Long stubends, End Cap, Lap-joint Stub End
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 317 | S31700 | – | – | 1.4449 | – | – | – |
| 317L | S31703 | – | – | 1.4438 | – | – | – |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 317 | min. | – | – | – | – | – | 18.0 | – | 11.0 | – |
| max. | 0.8 | 2.0 | 1.00 | 0.040 | 0.03 | 20.0 | 14.0 | – | ||
| 317L | min. | – | – | – | – | – | 18.0 | 3.00 | 11.0 | – |
| max. | 0.03 | 2.0 | 0.75 | 0.040 | 0.03 | 20.0 | 4.00 | 15.0 | – | |
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | Specific Heat 0-1000C (J/kg.K) | Electrical Resistivity (n.m) | |||
| 0-1000C | 0-3150C | 0-5380C | at 1000C | at 5000C | |||||
| 317 | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | 720 |
| 317L | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | 720 |
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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