Stainless Steel 316/316L Buttweld Fittings are essential components in various industries, known for their exceptional corrosion resistance, durability, and versatility. These fittings are primarily used to connect and change the direction of piping systems, ensuring seamless flow of fluids, gases, and other substances in demanding environments.
Stainless Steel 316/316L is a high-quality material renowned for its excellent resistance to corrosion, making it ideal for applications where exposure to harsh chemicals, saltwater, and extreme temperatures is common. The "L" in 316L stands for low carbon content, further enhancing its resistance to corrosion and ensuring stability in high-temperature conditions.
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These buttweld fittings are available in various types, including elbows, tees, reducers, caps, and stub ends, allowing for flexibility in designing and constructing piping systems. The buttweld design is characterized by the beveled ends, which facilitate easy and secure welding, ensuring a leak-free connection. This construction method also provides added strength and longevity to the joints, making them suitable for high-pressure and high-temperature applications.
Industries such as petrochemical, chemical, food processing, pharmaceutical, and marine engineering commonly utilize Stainless Steel 316/316L Buttweld Fittings due to their robustness and corrosion resistance. These fittings can handle a wide range of corrosive substances and maintain their structural integrity in aggressive environments.
In addition to their corrosion resistance, these fittings exhibit excellent mechanical properties, including high tensile strength and ductility, which enable them to withstand extreme operating conditions without deformation or failure. They are also easy to maintain and clean, making them a popular choice for industries with strict hygiene standards.
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
| 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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