Stainless Steel 316 / 316L Tube Fittings
Arrow Piping Solutions is a trusted manufacturer, supplier, and exporter of SS 316 / 316L Compression Tube Fittings. These fittings are made from high-quality stainless steel and conform to both national and international standards. SS 316 and SS 316L offer excellent corrosion resistance, especially in chloride environments, making them ideal for demanding applications.
Our SS 316 / 316L Compression Tube Fittings ensure leak-tight and gas-tight connections in pneumatic and hydraulic systems. These fittings are widely used in industries such as oil & gas, chemicals, food processing, pharmaceuticals, and marine, owing to their superior performance and durability.
Size Range | 1/16 in. to 2 in. & 2mm to 50 mm |
End Connection Thread Type | NPT (ASME B1.20.1), SAE AS71051, ISO/BSP Parallel (ISO 228), ISO/BSP Tapered (ISO 7), BS EN 10226-1, SAE (Unified) ASME B1.1 |
Dimensional Range | 1/16 to 2 inches (imperial); 2 to 50 mm (metric) |
Working Pressure | Up to 2000 to 6000 PSI |
Types | Tube to Union, Tube to Male, Tube to Female, Instrument Pipe Fittings, Accessories |
OD | OD Actual | Thread Designation | NPT (TPI) | BSP (TPI) |
5/16 | 0.3125 | 1/16 | 27 | 28 |
13/32 | 0.405 | 1/8 | 27 | 28 |
35/64 | 0.540 | 1/4 | 18 | 19 |
43/64 | 0.675 | 3/8 | 18 | 19 |
27/32 | 0.840 | 1/2 | 14 | 14 |
1-3/64 | 1.050 | 3/4 | 14 | 14 |
1-5/16 | 1.315 | 1 | 11.5 | 11 |
1-21/32 | 1.660 | 1-1/4 | 11.5 | 11 |
1-29/32 | 1.900 | 1-1/2 | 11.5 | 11 |
2-3/8 | 2.375 | 2 | 8 | 11 |
2-7/8 | 2.875 | 2-1/2 | 8 | 11 |
3-1/2 | 3.5 | 3 | 8 | 11 |
4 | 4.0 | 3-1/2 | 8 | 11 |
4-1/2 | 4.5 | 4 | 8 | 11 |
5-5/8 | 5.563 | 5 | 8 | 11 |
6-5/8 | 6.625 | 6 | 8 | 11 |
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 | 11.00 - 14.00 | 68.89 min |
Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2% Offset) | Elongation |
SS 316 | 8.0 g/cm³ | 1400 °C (2550 °F) | 75000 psi / 515 MPa | 30000 psi / 205 MPa | 35% |
SS 316L | 8.0 g/cm³ | 1399 °C (2550 °F) | 75000 psi / 515 MPa | 30000 psi / 205 MPa | 35% |
STANDARD | WERKSTOFF NR. | UNS | JIS | BS | 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 | Z3CND17‐11‐02 / Z3CND18‐14‐03 | X2CrNiMo17-12-2 / X2CrNiMo18-14-3 |
Arrow Piping Solutions’ SS 316 / 316L Compression Tube Fittings are widely used in the following industries:
- Textile Machinery
- Oil and Gas Industry
- Pulp and Paper Industry
- Power Plants
- Energy Industries
- Furniture
- Pharmaceutical Processing Industry
- Modern Architecture
- Home Appliances
- Water Waste Projects
- Synthetic Fiber
- Heat Exchangers
- Fluid Piping
- Dairy and Food Processing