| Chromium Nitride Coated 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 Products: The Versatile Strength of Chromium Nitride
Chromium Nitride (CrN) is a ceramic coating renowned for its exceptional balance of properties, making it a superior choice for valves facing combined operational hazards.
Defining Excellence in Combined Wear and Corrosion Resistance
Our Wear-resistant CrN coated valve ball offers exceptional hardness, typically exceeding 1800 HV, providing outstanding defense against abrasive particles, erosion, and galling. Beyond its mechanical strength, the dense, non-porous microstructure of the Chromium nitride corrosion-resistant valve ball creates an effective barrier against oxidizing atmospheres, chlorides, and many other corrosive media. This dual-action capability makes it ideal for marine applications, chemical processing, and oil & gas services where both wear and corrosion are present.
Stable Performance in Elevated Temperature Environments
While not solely a high-temperature coating, CrN exhibits remarkable thermal stability. Our High-temperature valve chromium nitride coated ball retains its hardness and protective oxide layer at continuous operating temperatures significantly higher than many organic or metallic coatings can withstand. This stability prevents premature softening, oxidation, and degradation in applications like hot water systems, steam services, and certain process lines, ensuring reliable long-term performance.
A Superior, Cost-Effective Alternative for Demanding Cycles
Compared to some other high-end coatings, Chromium Nitride Coated valve Balls offer an outstanding performance-to-cost ratio. They provide superior wear life and corrosion resistance over standard materials or electroplated coatings, often extending maintenance intervals dramatically. This makes CrN an economically astute and highly reliable choice for high-cycle industrial valves, actuators, and control systems.
Precision-Engineered Coating Solutions
The CrN Coated valve Balls we provide are the result of a precisely calibrated PVD process. We meticulously control critical parameters such as nitrogen partial pressure, substrate bias, and temperature to engineer coatings with optimized hardness, adhesion, and residual stress. This allows us to tailor the Coated valve Balls for specific substrate materials and operational profiles, ensuring perfect synergy between the core component and its protective surface.
Technical Focus: Advanced PVD for Uncompromising CrN Quality
The consistent application of high-performance CrN on spherical substrates demands precision and repeatability. Our closed-vacuum PVD process is the cornerstone of this reliability.
Dense, Columnar-Free Microstructure for Optimal Protection: By precisely managing the deposition energy and atmosphere, we cultivate a fine-grained, densely packed coating microstructure. This minimizes intrinsic porosity and avoids the formation of coarse, columnar grains that can be pathways for corrosion. The result is a flawless, impervious barrier on every Chromium nitride corrosion-resistant valve ball.
Controlled Stoichiometry for Consistent Performance: The properties of CrN are highly dependent on its exact chemical composition (stoichiometry). Our advanced process control systems maintain a strict nitrogen-to-chromium ratio throughout the deposition, ensuring every batch of Chromium Nitride Coated valve Balls delivers the same guaranteed hardness, corrosion resistance, and golden aesthetic consistently.
Why Partner with TongBall for Chromium Nitride Solutions?
Specialists in Balanced Coating Technology:
We excel in solutions that address multiple failure modes concurrently. Our CrN expertise is centered on providing robust, all-round protection for valves operating in challenging but not extreme-temperature environments.
Masters of Precision PVD Application:
Our technology allows for uniform coating thickness on the complex geometry of valve balls, ensuring edge-to-edge protection. The process is clean and environmentally friendly, producing a ready-to-use component with a superior finish.
Driven by Practical Performance and Value:
We engineer our coatings to deliver tangible operational benefits-extended service life, reduced downtime, and lower total cost of ownership. Our goal is to be your strategic partner in reliability.
Seeking a Robust, Versatile Shield for Your Valve Components?
If your operations demand a coating that expertly balances resistance to wear, corrosion, and moderate heat-providing comprehensive defense without the cost of ultra-specialized materials-TongBall's Chromium Nitride Coating Technology presents the intelligent, proven solution.
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