Steel shot is spherical grains made of molten steel through an atomization (granulation) process, available in different sizes and hardnesses. It is used in airless wheel blast machines to clean foundry castings, surface polishing and shot peening.
Description
Standardsfor steel shot:
SAE J827 Cast Steel Shot,
ISO11124-3High Carbon Cast Steel Shot and Grit.
YB/T5149-1993 Cast Steel Shot,
SFSA20-66Cast Steel Abrasive.
Specification for steel shot:
Project National Standards Quality
Chemical composition% C 0.85-1.20 0.85-1.0
Si 0.40-1.20 0.70-1.0
Mn 0.60-1.20 0.75-1.0
S <0.05 <0.030
P <0.05 <0.030
Hardness steel shot HRC40-50
HRC55-62 HRC44-48
HRC58-62
Density steel shot ≥7.20 g/cm3 7.4g/cm3
Microstructure Tempered Martensite or Troostite Tempered Martensite Bainite Composite organization
Appearance Spherical
Hollow particles<10%
Crack particle<15% Spherical
Hollow particles<5%
Crack particle<10%
Type S70 ,S110, S170, S230, S280, S330, S390, S460, S550, S660, S780
Packing Each ton in a separate Pallet and each ton divided in 25KG packs .
Durability 2500~2800 times
Density 7.4g/cm3
.Diameter 0.2mm,0.3mm,0.5mm,0.6mm,0.8mm,1.0mm,1.2mm,1.4mm,1.7mm,2.0mm,2.5mm
Applications 1.Blast cleaning: Used for blast cleaning of casting, die-casting, forging; sand removal of casting, steel plate, H type steel, steel structure. 2..Rust removal: Rust removal of casting, forging, steel plate, H type steel, steel structure.
3.Shot peening: Shot peening of gear, heat treated parts.
4.Shot blasting: Shot blasting of profile steel, ship board, steel board, steel material,steel structure. 5.Pre-treatment: Pre-treatment of surface, steel board, profile steel, steel structure, before painting or coating.
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