Product Overview
S550 Steel Shot is a coarse particle steel shot product developed by Shengxiang Guanghe for heavy industrial needs. Made with special alloy formula and multiple heat treatment processes, it features high hardness and strong wear resistance, making it particularly suitable for heavy industrial scenarios requiring high cleaning efficiency.
Our latest projects
Shanghai Jwell machinery Workshop co-operation projects
Particle Size Characteristics
Main particle size: S550 (diameter approx. 1.7mm)
Particle size uniformity: ≥95%
Roundness index: ≥0.98
Particle size deviation: ±0.1mm
Performance Advantages
Hardness range: HRC 40-50
Single particle compressive strength: ≥200N
Cycle usage count: 2500-3500 times
Breakage rate: <1.2%
Treatment Effects
Cleaning efficiency increased by 40% compared to ordinary steel shot
Surface roughness: Ra 15-50μm
Cleaning grade: Up to Sa3 level
Suitable for steel plate treatment up to 50mm thick
Main Application Fields
Heavy Steel Structures
Suitable for surface treatment and derusting operations of heavy steel structures such as bridges, ships, and large storage tanks.
01
Foundry Industry
Used for cleaning large castings, capable of quickly removing heavy sand and oxide scale.
02
Engineering Machinery
Suitable for surface strengthening treatment of engineering machinery structural components like excavators and cranes.
03
Port Machinery
Used for maintenance of large equipment such as port cranes and container spreaders.
04
Technical Parameter Details
| Test Item | Technical Indicators | Test Method |
|---|---|---|
| Chemical Composition | C: 0.95%-1.2%, Mn: 0.6%-1.2%, Si: 0.5%-0.1.2% | GB/T 223 |
| Hardness Value | HRC 40-50 | ASTM E18 |
| Density | 7.4cm³ | ISO 3369 |
| Defect Content | ≤0.3% | Metallographic Method |
| Moisture Content | ≤0.1% | Oven Method |
Usage Guide
Equipment Selection Recommendations
Recommended to use high-power shot blasting equipment
Suitable for through-type shot blasting machines
Requires high-strength blades
Recommended to use heavy-duty separators
Process Parameters
Working pressure: 0.6-0.8MPa
Projection angle: 70-80 degrees
Processing speed: 1-3 meters/minute
Abrasive addition amount: 70-85% of equipment capacity
Operation Precautions
Check equipment load capacity before use
Regularly replace blaster blades
Pay attention to dust removal system maintenance
Recommend screening once per shift
Quality Assurance
Production Standards
Implements GB/T 18838.3 standard
Passed ISO 9001 quality system certification
Provides impact toughness test reports for each batch
Can provide material analysis reports
Packaging and Storage
Packaging Specifications
25kg/bag (thickened moisture-proof packaging)
1000kg/pallet
Special packaging requirements supported
Storage Requirements
Avoid sunlight and rain
Prevent contact with corrosive substances
Recommend stacking no more than 8 layers
Shelf life: 60 months
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