| 316Ti Steel Valve Seats | ||
| Size Range | 1/2" to 56" (Custom sizes available) | |
| Pressure Rating | PN10-PN420 (Class150-2500) | |
| Body Material | A105, A350 LF2, A182 F304, A182 F316, A182 F321, A182 F51, A182 F53, A182 F55, A182 F60, A182 F44, A564 630 (17-4PH) INCONEL625, INCONEL718, INCONEL825, Monel 400, Monel 500 etc |
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| Core Process/Coating | ENP,HCR,STL6, STL12, STL20,Cr3C2, WC-Co, WC-Cr3C2-Ni, TiC-NiMo, SiC, CrC,ZrO2, Al2O3, Cr2O3, ZnO, TiO, Al2O3-TiO2,STL1, STL6, STL12,Ni60, Ni55, Ni45 etc. | |
| Operating Temperature Range | ≤1200°C | |
| Parameter Category | Core Technical Parameters | Standards for Determining Advanced Technological Level |
| Machining Seat accuracy | ≤ 0.025 mm | ≤ 0.005 mm (Ultra-High Precision) |
| Processing Seat Roundness | ≤ 0.025 mm | ≤ 0.011 mm (Micron-Level ) |
| Other supplements | ≤ 0.4 μm | ≤ 0.1 μm (Mirror-Level) |
| Parameter Category | Core Technical Parameters | Criteria for High-End Technical Level |
| Coating Thickness Control | Thickness Uniformity | Thickness deviation at any spherical position ≤±8% (stricter than the general ±10% standard) |
| Thickness Tolerance Range | 100 - 300 μm (common range for wear-resistant layers); special ranges can be noted. No missed spraying for ultra-thin coatings (<10μm) | |
| Coating Adhesion Performance | Surface Hardness | HV 1300+ |
| Bond StrengthBond Strength | ≥80 MPa | |
| Interface PorosityInterface Porosity | <0.5% | |
| Coating Surface Quality | Surface Roughness (Ra) | ≤0.2 µm |
| Spraying Accuracy (Positioning & Coverage) | Spraying Positioning Accuracy | ±0.1mm |
Robust and Reliable: Comprehensive Assurance from Forged Base to Precision Form
We insist on ensuring seat performance from the source material. For applications demanding higher structural integrity, we offer products manufactured from premium Forged Steel ball valve seats blanks. The forging process refines the grain structure and enhances material density and mechanical properties, enabling the seats to demonstrate superior impact and deformation resistance under high pressure and cyclic loading.
Designed for Demanding Control Scenarios
In applications requiring precise regulation, seat performance directly impacts control accuracy and response. Our Stainless Steel control valve seats series, leveraging the stability of materials like 316Ti, ensure accurate flow characteristic curves through ultra-precision machining, meeting the highest demands for repeatability and reliability in critical process control.
An Excellent Choice for General Ball Valve Applications
For widely used ball valves, we provide a complete range of Stainless Steel ball valve seats. Whether based on Forged Steel or precision-machined directly from bar stock, we are committed to achieving the optimal match between the seat and the ball, ensuring zero leakage and extended service life across diverse operating conditions.

Why Choose Our Stainless Steel Valve Seat Products?
Targeted Material Science
We offer not only general products but also targeted solutions like 316Ti Valve Seats, addressing specific failure modes in unique conditions (e.g., high temperature, welding).
Complete Strength Spectrum
From standard bar stock to Forged Steel valve seats, we provide options across different strength grades and budgets, catering to needs from general to extreme pressure applications.
Application-Oriented Product Lines
We clearly differentiate between ball valve seats and control valve seats, optimizing design and manufacturing for the core functions of different valve types to ensure precise performance fulfillment.
One-Stop Procurement Convenience
When you decide to Buy Stainless Steel seats, be it standard or custom, TongBall provides end-to-end service from technical consultation and selection support to reliable delivery.
Optimizing your valve sealing system begins with selecting the correct seat material and manufacturing process. The professional solutions from TongBall Valve are designed to build longer-lasting operational security for your equipment under high-temperature, high-pressure, and post-weld conditions.
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