| 316Ti Steel Valve Balls | ||
| 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 ball accuracy | ≤ 0.025 mm | ≤ 0.005 mm (Ultra-High Precision) |
| Processing ball Roundness | ≤ 0.025 mm | ≤ 0.011 mm (Micron-Level ) |
| Balls concentricity | ≤ 0.025 mm | ≤ 0.005 mm (Ultra-High Precision) |
| 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 |
Core Product: Specialty Stainless Valve Balls Stabilized by Titanium
Delving into metallurgical principles, we position 316Ti valve balls as guardians of "process safety." They are not just another type of Stainless Steel valve Balls, but a proactive solution for specific risks.
The Scientific Mechanism of Titanium Stabilization
316Ti valve balls are based on 316 stainless steel with the addition of a sufficient amount of Titanium (Ti). Titanium has a far greater affinity for carbon than chromium. At high temperatures, it preferentially binds with carbon to form stable titanium carbides (TiC), effectively "locking up" carbon atoms and preventing them from combining with chromium to form chromium carbides, which can lead to intergranular corrosion. This ensures that SS316ti valve balls maintain their original corrosion resistance in weld heat-affected zones and within the 450-850°C sensitization temperature range over extended periods.
Application Scenarios Beyond Generic Grades
Consequently, our 316Ti Stainless Steel Valve Balls series is the ideal choice for:
Valve assemblies requiring field welding: Ensures the core performance of the ball remains unaffected by the heat of valve body welding.
Medium-to-high temperature continuous service: Used in process lines operating long-term within the sensitization range, preventing performance degradation over time.
Installations with extremely high long-term reliability demands: Provides additional material failure prevention for critical facilities like nuclear auxiliary systems and specialty chemical plants.
Precision Manufacturing of Specialty Stainless
We understand that the value of Specialty Stainless valve balls lies in the faithful realization of their "specialty." For 316Ti, we precisely control the titanium-to-carbon ratio (typically Ti/C ≥ 5) and employ suitable solution treatment processes to ensure the titanium exists in its most beneficial form, fulfilling its function without becoming harmful inclusions.
Completeness of the Material Matrix
TongBall provides a complete portfolio of Steel valve balls and SS steel valve balls solutions. 316Ti valve balls are a key member of our specialty material matrix, forming-together with grades like 304, 316L, and 321-a complete spectrum covering different corrosion and thermal stability needs, allowing customers to make precise choices based on the core risk factors.
Technical Focus: The Path to Achieving Stability
Precise Composition Control & Verification:
We go beyond material certificates, employing advanced testing equipment for micro-area composition analysis of each heat of SS316ti valve ball material, ensuring the addition and effectiveness of titanium achieve optimal stabilization.
Full-Chain Management of Thermal Processes:
From bar forging to final solution treatment, we strictly control the temperature and time windows of every hot-working process to avoid introducing unnecessary sensitization risks through our own improper procedures.
Targeted Corrosion Testing:
Beyond standard tests, we can perform intergranular corrosion susceptibility tests (e.g., ASTM A262 Practice E) for 316Ti Stainless Steel Valve Balls, providing objective data to verify their anti-sensitization capability and offering customers conclusive material performance evidence.
Why Choose TongBall's 316Ti Solution?
Preventive Material Design Mindset:
The 316Ti valve balls we provide are a "preventive" solution designed to eliminate potential material degradation risks caused by welding and high-temperature environments, addressing problems before they occur.
Deep Understanding of Thermal Processes:
We have a profound knowledge of material behavior during thermal cycles and can ensure the stability of Specialty Stainless valve balls is maintained throughout the design life via our processes.
Reliability Born for Critical Applications:
When an application cannot tolerate failure due to slow internal material changes, our 316Ti Steel Valve Balls represent a scientifically enhanced commitment to long-term service reliability.
Is Your Application Tested by Welding or Medium/High-Temperature Environments?
If your valve manufacturing or operating conditions involve significant thermal process influences, a valve ball core with inherent stability is crucial. Choosing TongBall's 316Ti Stainless Steel Valve Balls means choosing to resist performance degradation from time and temperature with material science.
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