contact:Colin Han
email:sales@rfabrasive.com
phone:+8618553321311
address:Wenchang Lake Economic Development Zone, Zibo City, Shandong Province, China
Product Features:
● Sharp edges, high hardness, good toughness, strong impactBearing Steel Grit:Selection of high-quality forged bearing steel, after quenching broken, and then after heat treatment of fine screening, bearing steel grit for sandblasting and cutting granite rock the best grinding medium.
Production standard:
In strict accordance with GB/T14652-2011 standard and international ISO3290:2018 standard production.
Chemical composition | (C) | 0.65~1.20% |
(Mn) | 0.45~1.20% | |
(Si) | 0.15~0.60% | |
(S) | ≤0.025% | |
(P) | ≤0.025% | |
(Cr) | 0.2-0.4% | |
(Mo) | 0.1-0.15% | |
Average hardness (measured under 500g load) | GP Steel Grit:42~52HRC (399~543HV) GL Steel Grit:55~60HRC (599~713HV) GH Steel Grit:60~65HRC (697~840HV) | |
Hardness deviation | The maximum deviation range is±3.0HRCor±40HV | |
Metallographic structure | Uniform tempered martensite | |
Minimum density (determined by alcohol displacement method) | 7.4g/cm3 |