GH 120 Steel Grit

GH 120 Steel Grit
Details:
Model: Steel grit, Secondary Quenching Steel Grit, China Precision Steel Grit.
Specification grade: GH120.
Material: High carbon steel, alloy steel.
Scope of application: 60-65HRC.
Size:0.2mm or can be customized according to customer requirements.
Packaging specifications: ton pack (40 bags, 25 kilograms each).
Industry standard: American SAE.
Usage: Cleaning and removing sand, rust, and oxide skin on large cast steel, cast steel parts, steel structural parts, and large forgings.
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Description
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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

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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

 

 

 

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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

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Nanoscale Materials Science Analysis
  • 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.

  • 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.

  • 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

 

 


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Q: How does GH 120 ensure sub-micron level surface quality control?

A: Through a triple guarantee mechanism: First, 99.8% particle concentration ensures highly consistent impact energy; Second, perfect spherical particles guarantee uniform energy transfer; Finally, precise hardness control provides stable micro-cutting capability.

Q: What parameter adjustments are needed when processing special materials?

A: For different material characteristics, we provide detailed process parameter suggestions. For example, when processing titanium alloy, pressure of 0.2-0.3MPa is recommended; for ceramic materials, 0.1-0.2MPa is suggested, ensuring treatment effectiveness while protecting substrate integrity.

Q: How to establish a comprehensive quality monitoring system?

A: We recommend implementing a four-level quality monitoring: online particle size monitoring, regular morphology analysis, real-time roughness detection, periodic performance verification. Simultaneously, intelligent monitoring systems are provided to achieve full-process quality control.

 

 
Certificate
 

 

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Our company has the perfect quality examine program and modern test-con-trol equipment guarateed that various quality index of the product reached the country standard,and even to go beyond the standard of american moto engineer society.