Pipe-Lok Vales & Fittings Company delivers precision-engineered instrumentation fittings and valves trusted for reliability, safety, and performance in industrial applications with a strong focus on engineering excellence and quality control.
Stabilized stainless steel pressure relief valves for elevated-temperature service and corrosive process environments. SS 316Ti includes titanium stabilization to improve resistance to sensitization during thermal exposure.
High-Performance Flow & Safety Instrumentation Solutions
SS 316Ti is a titanium-stabilized molybdenum-bearing austenitic stainless steel for improved high-temperature stability.
| Element | Weight Percentage (%) |
|---|---|
| Chromium (Cr) | 16.5 - 18.5 |
| Nickel (Ni) | 10.5 - 13.5 |
| Molybdenum (Mo) | 2.0 - 2.5 |
| Titanium (Ti) | 5xC min |
| Carbon (C) | 0.08 max |
| Manganese (Mn) | 2.00 max |
| Silicon (Si) | 1.00 max |
| Phosphorus (P) | 0.045 max |
| Sulfur (S) | 0.030 max |
| Iron (Fe) | Balance |
*Composition limits are indicative for the listed grade family; applicable product specifications may vary depending on valve component and product form.
SS 316Ti provides corrosion resistance similar to SS 316 with improved stability in elevated-temperature service.
| Property | Typical / Minimum Value |
|---|---|
| Tensile Strength | 515 MPa min |
| 0.2% Yield Strength | 205 MPa min |
| Elongation | 40% min |
| Hardness | 217 HB max |
| Density | Approx. 8.0 g/cm3 |
*Mechanical requirements depend on product form, heat treatment and applicable ASTM/ASME specification. Confirm final values against the material specification used for the pressure relief valve component.
High-performance material specifications for our complete Pressure Relief Valve range.
Designed for demanding pressure systems where material compatibility, corrosion resistance and reliable pressure protection are essential.
Used where thermal exposure and corrosion resistance are both required.
Suitable for corrosive process systems with elevated temperatures.
Used in heated lines, skids and instrumentation circuits.
Applicable for auxiliary high-temperature pressure systems.
Used in clean process systems requiring stabilized stainless steel.
Reliable for SS 316-compatible pressure protection with thermal stability.
Pipe-Lok Vales & Fittings manufactures high-quality alternatives to the following standard industry part numbers
| Swagelok Part No. | Pipe-Lok Vales & Fittings Equivalent | Availability |
|---|---|---|
| SS-4R3A | Available | Ready to Ship |
| SS-4R3A1 | Available | Ready to Ship |
| SS-4R3A5 | Available | Ready to Ship |
| SS-4R3A5-BU | Available | Ready to Ship |
| SS-4R3A5-EP | Available | Ready to Ship |
| SS-4R3A5-KZ | Available | Ready to Ship |
| SS-4R3A5-NE | Available | Ready to Ship |
| SS-4R3A5-RT | Available | Ready to Ship |
| SS-4R3A-BU | Available | Ready to Ship |
| SS-4R3A-EP | Available | Ready to Ship |
| SS-4R3A-KZ | Available | Ready to Ship |
| SS-6R3A-MM | Available | Ready to Ship |
| SS-8R3A-MM | Available | Ready to Ship |
| SS-R4M8F8 | Available | Ready to Ship |
| SS-R4M8S8 | Available | Ready to Ship |
| SS-R4S8 | Available | Ready to Ship |
| SS-R4S12MM | Available | Ready to Ship |
| SS-RL3M4-F4 | Available | Ready to Ship |
| SS-RL3M4F4-RT | Available | Ready to Ship |
| SS-RL3M4-S4 | Available | Ready to Ship |
| SS-RL3S4 | Available | Ready to Ship |
| SS-RL3S4-SC11 | Available | Ready to Ship |
| SS-RL3S4-EP | Available | Ready to Ship |
| SS-RL3S4-MO | Available | Ready to Ship |
| SS-RL3S4-KZ-11002 | Available | Ready to Ship |
| SS-RL3S6MM | Available | Ready to Ship |
| SS-RL3S8MM | Available | Ready to Ship |
| SS-RL4M8F8 | Available | Ready to Ship |
| SS-RL4MR8 | Available | Ready to Ship |
| SS-RL4S8 | Available | Ready to Ship |
| SS-RL4S12MM | Available | Ready to Ship |