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Shandong KAITAI Shot Blasting Machinery Co., Ltd.

Add.: Qingyang Town, Zouping County, Shandong Province, China
Tel.: +86-543-4579616
+86-543-4288868
+86-543-2186616
+86-543-4578888
+86-543-4288887
Contact Person: Becky

Home » Products » Metal Abrasive » Cast Steel Shot

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

Technical Data
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.

Size Distribution
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.

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