Cast Steel Shot
The cast steel shot is an effective abrasive media, and it is fabricated in accordance with the following standards.
1. GB/T18838.3-2008: Preparation of steel substrates before application of paints and related products - Specifications for metallic blast-cleaning abrasives - Part 3: High-carbon cast-steel shot and grit
2. SFSA Designation: 20-66
3. SAE J827: High Carbon Steel Shot
4. YB/T5149-93: Cast steel shot
5. MIL-S-851C: Military Specification: Steel Grit, Shot, And Cut Wire Shot; And Iron Grit And Shot-Blast Cleaning and Peening
6. ISO11124 Part 3: High-carbon cast-steel shot and grit
| Name | Cast steel shot | |
| Chemical composition | Carbon | 0.70~1.20% |
| Manganese | 0.35~1.20% | |
| Silicon | 0.40~1.20% | |
| Sulfur | ≤0.05% | |
| Phosphorous | ≤0.05% | |
| Average hardness (tested at the load of 500g) | Standard: 40~50HRC (377~509HV) Special: 52~56HRC (543~620HV) Special: 56~60HRC (620~713HV) | |
| Max. hardness deviation | ±3.0HRC (± 40HV) | |
| Microstructure | Uniform tempered martensite, or tempered troostite with well distributed carbides | |
| Min. density (alcohol replace testing) | 7.2g/cm3 | |
Application Range
This metal abrasive is developed for different purposes as listed below.
1. Surface cleaning: Castings, forgings, die-castings, steel plates, H-shaped steel, structural steel
2. Derusting and descaling: Castings, forgings, steel plates, H-shaped steel, structural steel
3. Surface strengthening: Gears, heat-treated parts
4. Shot blasting: Steel plates, steel profiles
5. Shot peening: Steel plates, steel profiles
6. Desanding: Steel plates, steel profiles
7. Pretreatment before painting: Steel plates, steel profiles, structural steel
Applicable Equipment
As a kind of metallic blast cleaning abrasive, our cast steel shot is applicable for a wide range of shot blasting machine including barrel type, spinner hanger type, rubber belt type, pass-through type, turntable type, rotary table type, etc. It also works well with shot peening machine, steel plate pretreatment line and so on.
| Screen No. | Screen size (mm) | Cast steel shot | ||||||||||
| SS-2.5 | SS-2.0 | SS-1.7 | SS-1.4 | SS-1.2 | SS-1.0 | SS-0.8 | SS-0.6 | SS-0.5 | SS-0.3 | SS-0.2 | ||
| 7 | 2.80 | all pass | ||||||||||
| 8 | 2.36 | all pass | ||||||||||
| 10 | 2.00 | 85% min | all pass | all pass | ||||||||
| 12 | 1.70 | 97% min | 85% min | 5% max | all pass | |||||||
| 14 | 1.40 | 97% min | 85% min | 5% max | all pass | |||||||
| 16 | 1.18 | 97% min | 85% min | 5% max | all pass | |||||||
| 18 | 1.00 | 96% min | 85% min | 5% max | all pass | |||||||
| 20 | 0.850 | 96% min | 85% min | 10% max | all pass | |||||||
| 25 | 0.710 | 96% min | 85% min | 10% max | ||||||||
| 30 | 0.600 | 96% min | 85% min | all pass | ||||||||
| 35 | 0.500 | 97% min | 85% min | 10% max | ||||||||
| 40 | 0.425 | 97% min | all pass | |||||||||
| 45 | 0.355 | 80% min | 10% max | |||||||||
| 50 | 0.300 | 90% min | ||||||||||
| 80 | 0.180 | 80% min | ||||||||||
| 120 | 0.125 | 90% min | ||||||||||
| 200 | 0.075 | |||||||||||
| 325 | 0.045 | |||||||||||
| SAE | S-780 | S-660 | S-550 | S-460 | S-390 | S-330 | S-280 | S-230 | S-170 | S-110 | S-70 | |
Packaging
Our cast steel shot is packaged in woven bags, paper bags, flexible freight bags, barrels or pallets.
