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typespherical steel shotmodel numberS330/S1.0mm
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usageShot Blasting/ Rust Removalabrasive grain sizes16, 18, 20
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Hardness42-53hrcShapeRound
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Durability2000~2800 timesDensity7.4g/cm3
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Bulk Density4.4g/cm3MicrostructureTempered Martensite or Sorbite
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Chemical CompositionC 0.80%-1.20% Mn 0.35%-1.20% Si ≥0.40% S ≤ 0.05% P≤0.05%StandardsGB/T, SAE, JB/T, ISO, SFSA
S330/S1.0mm high-carbon cast steel shot has an actual matching specification and grit16–20 selection. Round form and42–53HRC hardness are described for blasting and rust removal.
Use the explicit S330 specification
The actual material is Cast Steel with S330/S1.0mm specification. Ask how grit16–20 is defined physically instead of assuming an independent diameter conversion.
- S330/S1.0mm is the actual specification.
- Cast Steel is the material choice.
- Round form is described.
- 42–53HRC is the stated hardness.
- Carbon0.80–1.20% is stated.
Distinguish material and bulk density
Both density and bulk density are given as different technical values. Use the appropriate measurement for the procurement requirement rather than treating packed bulk density as material density.
Verify chemistry and supplied structure
Request batch composition and whether tempered martensite or sorbite is supplied. Standard-family and reuse labels do not establish compliance or life;agree the actual grading and inspection criteria for the S330 medium.
