
Product Positioning
GH 120 Steel Grit is a top-tier precision abrasive developed by Shengxiang Guanghe specifically for micron-level surface treatment requirements. Based on the deep integration of nanoscale materials science and precision manufacturing technology, each particle undergoes strict geometric precision screening and mechanical performance optimization, ensuring sub-micron level surface quality control during ultra-precision processing. Particularly suitable for aerospace, precision instruments, medical implants, and other fields with extremely high surface integrity requirements.
Six Core Technical Advantages
Ultimate Precision Control
Particle concentration: 99.8%
Surface roughness control accuracy: ±0.2μm
Exceptional Uniform Performance
Hardness deviation: ±1.0 HRC
Particle roundness: ≥0.95
Extended Service Life
Service life: 2800cycles
Wear rate: ≤0.02%/hour
Outstanding Economic Benefits
Product qualification rate: ≥99.8%
Comprehensive treatment cost reduction: 42%
Perfect Surface Quality
Surface cleanliness: Sa 3.5 grade
Roughness uniformity: Ra standard deviation ≤0.05μm
Wide Material Compatibility
Applicable material hardness range: 20-65 HRC
Compatible with all precision blasting equipment



Ultra-Precision Technical Parameter Table
| Performance Indicator | Technical Parameter | Test Method |
|---|---|---|
| Grit Size Standard | GH 120 | ISO 9001 |
| Hardness Range | 60-65 HRC | SAE J444 |
| Chemical Composition | C:0.85-1.2%, Si:0.5-1.2%, Mn:0.6-1.2% | GB/T 18838.3 |
| Particle Shape | angular type | GB/T 18838.3 |
| Roundness | ≥0.95 | GB/T 18838.3 |
| Density | 7.4 g/cm³ | ISO 9001 |
| Service Life | 2800 cycles | Accelerated Life Test |



Ultra-Precision Application Fields
Aerospace
Engine blade tenon fine machining
Aviation instrument component surface treatment
01
Medical Devices
Surgical robot component treatment
High-precision implant surface preparation
02
Precision Optics
Optical lens mold treatment
Laser equipment component precision machining
03
Semiconductor Manufacturing
Wafer carrier surface treatment
Vacuum chamber inner wall finishing
04
Precision Instruments
Measuring instrument reference surface treatment
Precision sensor surface preparation
05


Nanoscale Materials Science Analysis
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Microstructure Precision Control
Utilizes ultra-rapid solidification technology to obtain nanocrystalline structure, ensuring excellent mechanical uniformity. Through precisely controlled spheroidization treatment, each particle achieves near-perfect geometric shape, providing ideal impact characteristics for ultra-precision surface treatment.
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Precision Grading Technology Breakthrough
Equipped with fully automatic optical sorting system, using machine learning algorithms for real-time identification and rejection of unqualified particles. Employs multi-stage electromagnetic sorting technology to ensure product achieves 99.8% particle concentration, providing reliable assurance for micron-level surface treatment.
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Surface Integrity Control
Establish surface morphology prediction models
Develop real-time quality monitoring systems
Implement full-process quality traceability
Authoritative Testing Verification
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National Ultra-Precision Materials Testing Center Data
Surface roughness consistency: Ra standard deviation 0.03μm
Particle distribution concentration: 99.82%
Hardness uniformity: HRC standard deviation 0.6
Industry Application Evidence
An aircraft engine manufacturer usage report:
"In aircraft engine blade tenon treatment, GH 120 Steel Grit stably controlled surface roughness within the Ra0.4-0.6μm range, fully meeting aerodynamic sealing requirements. Product assembly accuracy improved to 99.9%, service life extended by 3 times."
FAQ

Q: How does GH 120 ensure sub-micron level surface quality control?
Q: What parameter adjustments are needed when processing special materials?
Q: How to establish a comprehensive quality monitoring system?
Certificate





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