Stainless Steel 310 / 310S Tube Fittings


Arrow Piping Solutions is a trusted manufacturer, supplier, and exporter of SS 310 / 310S Compression Tube Fittings. These fittings are made from high-quality stainless steel and conform to both national and international standards. SS 3310 / 310S offer excellent corrosion resistance, especially in chloride environments, making them ideal for demanding applications.


Our SS 310 / 310S 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.

SS 310 Tube Fittings

SS 310 / 310S Compression Tube Fittings Specifications

Size Range1/16 in. to 2 in. & 2mm to 50 mm
End Connection Thread TypeNPT (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 Range1/16 to 2 inches (imperial); 2 to 50 mm (metric)
Working PressureUp to 2000 to 6000 PSI
TypesTube to Union, Tube to Male, Tube to Female, Instrument Pipe Fittings, Accessories

SS 310 / 310S Compression Tube Fittings Dimensions

ODOD ActualThread DesignationNPT (TPI)BSP (TPI)
5/160.31251/162728
13/320.4051/82728
35/640.5401/41819
43/640.6753/81819
27/320.8401/21414
1-3/641.0503/41414
1-5/161.315111.511
1-21/321.6601-1/411.511
1-29/321.9001-1/211.511
2-3/82.3752811
2-7/82.8752-1/2811
3-1/23.53811
44.03-1/2811
4-1/24.54811
5-5/85.5635811
6-5/86.6256811

SS 310 / 310S Compression Tube Fittings Chemical Composition

GradeCMnSiPSCrMoNiFe
SS 3100.08 max2.0 max1.0 max0.045 max0.030 max16.00 - 18.002.00 - 3.0011.00 - 14.0067.845 min
SS 310S0.035 max2.0 max1.0 max0.045 max0.030 max16.00 - 18.002.00 - 3.0011.00 - 14.0068.89 min

SS 310 / 310S Compression Tube Fittings Mechanical Properties

ElementDensityMelting PointTensile StrengthYield Strength (0.2% Offset)Elongation
SS 3108.0 g/cm³1400 °C (2550 °F)75000 psi / 515 MPa30000 psi / 205 MPa35%
SS 310S8.0 g/cm³1399 °C (2550 °F)75000 psi / 515 MPa30000 psi / 205 MPa35%

SS 310 / 310S Compression Tube Fittings Equivalent Grades

STANDARDWERKSTOFF NR.UNSJISBSAFNOREN
SS 3101.4401 / 1.4436S31000SUS 310310S31 / 310S33Z7CND17‐11‐02X5CrNiMo17-12-2 / X3CrNiMo17-13-3
SS 310S1.4404 / 1.4435S31003SUS 310S310S11 / 310S13Z3CND17‐11‐02 / Z3CND18‐14‐03X2CrNiMo17-12-2 / X2CrNiMo18-14-3

Application Industries

Arrow Piping Solutions’ SS 310 / 310S 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